/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/04-mutex_10-ptrmunge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:45:59,629 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:45:59,714 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 22:45:59,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:45:59,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:45:59,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:45:59,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:45:59,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:45:59,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:45:59,730 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:45:59,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:45:59,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:45:59,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:45:59,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:45:59,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:45:59,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:45:59,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:45:59,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:45:59,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:45:59,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:45:59,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:45:59,932 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:45:59,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i [2021-10-16 22:45:59,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e03c4a4/577664ee30f1486eb6dd0c100191a6eb/FLAGbaf2104b9 [2021-10-16 22:46:00,412 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:00,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i [2021-10-16 22:46:00,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e03c4a4/577664ee30f1486eb6dd0c100191a6eb/FLAGbaf2104b9 [2021-10-16 22:46:00,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e03c4a4/577664ee30f1486eb6dd0c100191a6eb [2021-10-16 22:46:00,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:00,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:00,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:00,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:00,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:00,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a2ae60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00, skipping insertion in model container [2021-10-16 22:46:00,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:00,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:00,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:00,825 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:00,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:00,907 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:00,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00 WrapperNode [2021-10-16 22:46:00,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:00,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:00,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:00,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:00,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:00,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:00,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:00,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:00,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:00,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:01,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:01,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:01,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:01,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:01,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (1/1) ... [2021-10-16 22:46:01,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:01,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:01,029 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 22:46:01,055 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 22:46:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:46:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:01,064 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 22:46:01,375 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:01,376 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 22:46:01,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:01 BoogieIcfgContainer [2021-10-16 22:46:01,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:01,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:01,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:01,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:01,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:00" (1/3) ... [2021-10-16 22:46:01,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a174d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:01, skipping insertion in model container [2021-10-16 22:46:01,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:00" (2/3) ... [2021-10-16 22:46:01,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a174d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:01, skipping insertion in model container [2021-10-16 22:46:01,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:01" (3/3) ... [2021-10-16 22:46:01,387 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2021-10-16 22:46:01,392 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:01,392 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:01,392 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 22:46:01,392 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:01,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:01,480 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 22:46:01,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:01,513 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 22:46:01,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 22:46:01,525 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 94 transitions, 196 flow [2021-10-16 22:46:01,570 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 873 states, 870 states have (on average 1.9068965517241379) internal successors, (1659), 872 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 873 states, 870 states have (on average 1.9068965517241379) internal successors, (1659), 872 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-16 22:46:01,587 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:01,588 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:01,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:01,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:01,594 INFO L82 PathProgramCache]: Analyzing trace with hash -8763120, now seen corresponding path program 1 times [2021-10-16 22:46:01,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:01,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102560351] [2021-10-16 22:46:01,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:01,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:01,864 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 22:46:01,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:01,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102560351] [2021-10-16 22:46:01,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102560351] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:01,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:01,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:01,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344235296] [2021-10-16 22:46:01,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:01,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:01,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:01,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:01,881 INFO L87 Difference]: Start difference. First operand has 873 states, 870 states have (on average 1.9068965517241379) internal successors, (1659), 872 states have internal predecessors, (1659), 0 states have call successors, (0), 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 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:02,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:02,240 INFO L93 Difference]: Finished difference Result 983 states and 1861 transitions. [2021-10-16 22:46:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-16 22:46:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:02,265 INFO L225 Difference]: With dead ends: 983 [2021-10-16 22:46:02,266 INFO L226 Difference]: Without dead ends: 963 [2021-10-16 22:46:02,267 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:02,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-16 22:46:02,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 930. [2021-10-16 22:46:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 927 states have (on average 1.9018338727076591) internal successors, (1763), 929 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1763 transitions. [2021-10-16 22:46:02,391 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1763 transitions. Word has length 46 [2021-10-16 22:46:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:02,392 INFO L470 AbstractCegarLoop]: Abstraction has 930 states and 1763 transitions. [2021-10-16 22:46:02,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1763 transitions. [2021-10-16 22:46:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-16 22:46:02,396 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:02,396 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:02,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:02,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:02,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:02,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2026722573, now seen corresponding path program 1 times [2021-10-16 22:46:02,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:02,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317736078] [2021-10-16 22:46:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:02,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:02,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:02,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317736078] [2021-10-16 22:46:02,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317736078] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:02,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:02,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:02,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331379954] [2021-10-16 22:46:02,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:02,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:02,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:02,566 INFO L87 Difference]: Start difference. First operand 930 states and 1763 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:02,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:02,720 INFO L93 Difference]: Finished difference Result 1033 states and 1952 transitions. [2021-10-16 22:46:02,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:02,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-10-16 22:46:02,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:02,726 INFO L225 Difference]: With dead ends: 1033 [2021-10-16 22:46:02,726 INFO L226 Difference]: Without dead ends: 886 [2021-10-16 22:46:02,726 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:02,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-16 22:46:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 844. [2021-10-16 22:46:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 841 states have (on average 1.8799048751486325) internal successors, (1581), 843 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1581 transitions. [2021-10-16 22:46:02,744 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1581 transitions. Word has length 47 [2021-10-16 22:46:02,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:02,744 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1581 transitions. [2021-10-16 22:46:02,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1581 transitions. [2021-10-16 22:46:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:02,747 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:02,748 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:02,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:02,748 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:02,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:02,754 INFO L82 PathProgramCache]: Analyzing trace with hash -41252380, now seen corresponding path program 1 times [2021-10-16 22:46:02,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:02,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101502164] [2021-10-16 22:46:02,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:02,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:02,988 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 22:46:02,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:02,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101502164] [2021-10-16 22:46:02,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101502164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:02,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:02,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:02,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058615978] [2021-10-16 22:46:02,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:02,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:02,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:02,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:02,990 INFO L87 Difference]: Start difference. First operand 844 states and 1581 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:03,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:03,517 INFO L93 Difference]: Finished difference Result 965 states and 1806 transitions. [2021-10-16 22:46:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 22:46:03,517 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:03,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:03,521 INFO L225 Difference]: With dead ends: 965 [2021-10-16 22:46:03,521 INFO L226 Difference]: Without dead ends: 958 [2021-10-16 22:46:03,522 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 198.9ms TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:46:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-10-16 22:46:03,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 862. [2021-10-16 22:46:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 859 states have (on average 1.881257275902212) internal successors, (1616), 861 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1616 transitions. [2021-10-16 22:46:03,539 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1616 transitions. Word has length 57 [2021-10-16 22:46:03,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:03,539 INFO L470 AbstractCegarLoop]: Abstraction has 862 states and 1616 transitions. [2021-10-16 22:46:03,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1616 transitions. [2021-10-16 22:46:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:03,540 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:03,540 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:03,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:03,541 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:03,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:03,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1359465636, now seen corresponding path program 2 times [2021-10-16 22:46:03,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:03,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128617315] [2021-10-16 22:46:03,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:03,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:03,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:03,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128617315] [2021-10-16 22:46:03,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128617315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:03,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:03,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:03,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17117815] [2021-10-16 22:46:03,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:03,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:03,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:03,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:03,764 INFO L87 Difference]: Start difference. First operand 862 states and 1616 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:04,325 INFO L93 Difference]: Finished difference Result 1028 states and 1927 transitions. [2021-10-16 22:46:04,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:04,326 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:04,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:04,329 INFO L225 Difference]: With dead ends: 1028 [2021-10-16 22:46:04,330 INFO L226 Difference]: Without dead ends: 1014 [2021-10-16 22:46:04,330 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 277.5ms TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2021-10-16 22:46:04,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 883. [2021-10-16 22:46:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 880 states have (on average 1.8829545454545455) internal successors, (1657), 882 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1657 transitions. [2021-10-16 22:46:04,345 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1657 transitions. Word has length 57 [2021-10-16 22:46:04,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:04,346 INFO L470 AbstractCegarLoop]: Abstraction has 883 states and 1657 transitions. [2021-10-16 22:46:04,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1657 transitions. [2021-10-16 22:46:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:04,347 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:04,347 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:04,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:46:04,347 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:04,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:04,348 INFO L82 PathProgramCache]: Analyzing trace with hash -634777676, now seen corresponding path program 3 times [2021-10-16 22:46:04,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:04,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323829211] [2021-10-16 22:46:04,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:04,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:04,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:04,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323829211] [2021-10-16 22:46:04,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323829211] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:04,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:04,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:04,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703171943] [2021-10-16 22:46:04,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:04,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:04,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:04,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:04,511 INFO L87 Difference]: Start difference. First operand 883 states and 1657 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:05,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:05,032 INFO L93 Difference]: Finished difference Result 1081 states and 2030 transitions. [2021-10-16 22:46:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:05,033 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:05,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:05,037 INFO L225 Difference]: With dead ends: 1081 [2021-10-16 22:46:05,037 INFO L226 Difference]: Without dead ends: 1060 [2021-10-16 22:46:05,037 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 277.2ms TimeCoverageRelationStatistics Valid=222, Invalid=428, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:05,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2021-10-16 22:46:05,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 904. [2021-10-16 22:46:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 901 states have (on average 1.8845726970033296) internal successors, (1698), 903 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1698 transitions. [2021-10-16 22:46:05,051 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1698 transitions. Word has length 57 [2021-10-16 22:46:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:05,051 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 1698 transitions. [2021-10-16 22:46:05,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1698 transitions. [2021-10-16 22:46:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:05,052 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:05,053 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:05,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:46:05,053 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:05,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:05,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1074292708, now seen corresponding path program 4 times [2021-10-16 22:46:05,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:05,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683519636] [2021-10-16 22:46:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:05,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:05,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:05,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683519636] [2021-10-16 22:46:05,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683519636] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:05,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:05,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:05,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523873505] [2021-10-16 22:46:05,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:05,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:05,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:05,194 INFO L87 Difference]: Start difference. First operand 904 states and 1698 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:05,679 INFO L93 Difference]: Finished difference Result 1134 states and 2133 transitions. [2021-10-16 22:46:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:46:05,679 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:05,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:05,683 INFO L225 Difference]: With dead ends: 1134 [2021-10-16 22:46:05,683 INFO L226 Difference]: Without dead ends: 1106 [2021-10-16 22:46:05,684 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 304.1ms TimeCoverageRelationStatistics Valid=261, Invalid=495, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:46:05,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2021-10-16 22:46:05,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 925. [2021-10-16 22:46:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 922 states have (on average 1.886117136659436) internal successors, (1739), 924 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1739 transitions. [2021-10-16 22:46:05,700 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1739 transitions. Word has length 57 [2021-10-16 22:46:05,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:05,700 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1739 transitions. [2021-10-16 22:46:05,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1739 transitions. [2021-10-16 22:46:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:05,701 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:05,701 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:05,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:46:05,701 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:05,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:05,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1911830124, now seen corresponding path program 5 times [2021-10-16 22:46:05,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:05,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958025058] [2021-10-16 22:46:05,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:05,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:05,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:05,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958025058] [2021-10-16 22:46:05,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958025058] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:05,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:05,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:05,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378663341] [2021-10-16 22:46:05,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:05,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:05,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:05,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:05,862 INFO L87 Difference]: Start difference. First operand 925 states and 1739 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:06,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:06,574 INFO L93 Difference]: Finished difference Result 1593 states and 2997 transitions. [2021-10-16 22:46:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:46:06,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:06,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:06,579 INFO L225 Difference]: With dead ends: 1593 [2021-10-16 22:46:06,579 INFO L226 Difference]: Without dead ends: 1565 [2021-10-16 22:46:06,580 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 272.7ms TimeCoverageRelationStatistics Valid=285, Invalid=585, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:46:06,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2021-10-16 22:46:06,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1133. [2021-10-16 22:46:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1130 states have (on average 1.907079646017699) internal successors, (2155), 1132 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 2155 transitions. [2021-10-16 22:46:06,599 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 2155 transitions. Word has length 57 [2021-10-16 22:46:06,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:06,599 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 2155 transitions. [2021-10-16 22:46:06,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 2155 transitions. [2021-10-16 22:46:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:06,600 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:06,600 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:06,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:46:06,600 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:06,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1839893383, now seen corresponding path program 1 times [2021-10-16 22:46:06,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:06,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955828571] [2021-10-16 22:46:06,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:06,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:06,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:06,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955828571] [2021-10-16 22:46:06,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955828571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:06,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:06,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:06,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799181159] [2021-10-16 22:46:06,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:06,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:06,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:06,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:06,725 INFO L87 Difference]: Start difference. First operand 1133 states and 2155 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:07,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:07,394 INFO L93 Difference]: Finished difference Result 1394 states and 2613 transitions. [2021-10-16 22:46:07,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:07,394 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:07,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:07,399 INFO L225 Difference]: With dead ends: 1394 [2021-10-16 22:46:07,399 INFO L226 Difference]: Without dead ends: 1394 [2021-10-16 22:46:07,399 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 306.6ms TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:46:07,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-10-16 22:46:07,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1114. [2021-10-16 22:46:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1111 states have (on average 1.8955895589558955) internal successors, (2106), 1113 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2106 transitions. [2021-10-16 22:46:07,418 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2106 transitions. Word has length 57 [2021-10-16 22:46:07,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:07,419 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2106 transitions. [2021-10-16 22:46:07,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2106 transitions. [2021-10-16 22:46:07,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:07,420 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:07,420 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] [2021-10-16 22:46:07,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 22:46:07,421 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:07,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:07,421 INFO L82 PathProgramCache]: Analyzing trace with hash -218697551, now seen corresponding path program 2 times [2021-10-16 22:46:07,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:07,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615488845] [2021-10-16 22:46:07,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:07,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:07,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:07,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615488845] [2021-10-16 22:46:07,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615488845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:07,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:07,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:07,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530366353] [2021-10-16 22:46:07,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:07,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:07,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:07,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:07,544 INFO L87 Difference]: Start difference. First operand 1114 states and 2106 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:08,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:08,102 INFO L93 Difference]: Finished difference Result 1999 states and 3752 transitions. [2021-10-16 22:46:08,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-16 22:46:08,102 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:08,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:08,108 INFO L225 Difference]: With dead ends: 1999 [2021-10-16 22:46:08,108 INFO L226 Difference]: Without dead ends: 1999 [2021-10-16 22:46:08,110 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 207.9ms TimeCoverageRelationStatistics Valid=194, Invalid=406, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:08,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2021-10-16 22:46:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1204. [2021-10-16 22:46:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1201 states have (on average 1.9009159034138219) internal successors, (2283), 1203 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 2283 transitions. [2021-10-16 22:46:08,132 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 2283 transitions. Word has length 57 [2021-10-16 22:46:08,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:08,134 INFO L470 AbstractCegarLoop]: Abstraction has 1204 states and 2283 transitions. [2021-10-16 22:46:08,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 2283 transitions. [2021-10-16 22:46:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:08,136 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:08,136 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:08,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 22:46:08,136 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:08,136 INFO L82 PathProgramCache]: Analyzing trace with hash -131028747, now seen corresponding path program 3 times [2021-10-16 22:46:08,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:08,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600522870] [2021-10-16 22:46:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:08,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:08,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:08,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600522870] [2021-10-16 22:46:08,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600522870] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:08,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:08,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:08,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453830965] [2021-10-16 22:46:08,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:08,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:08,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:08,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:08,274 INFO L87 Difference]: Start difference. First operand 1204 states and 2283 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:09,121 INFO L93 Difference]: Finished difference Result 2102 states and 3936 transitions. [2021-10-16 22:46:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:09,121 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:09,127 INFO L225 Difference]: With dead ends: 2102 [2021-10-16 22:46:09,127 INFO L226 Difference]: Without dead ends: 2102 [2021-10-16 22:46:09,128 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 263.3ms TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2021-10-16 22:46:09,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1222. [2021-10-16 22:46:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1219 states have (on average 1.9023789991796554) internal successors, (2319), 1221 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 2319 transitions. [2021-10-16 22:46:09,148 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 2319 transitions. Word has length 57 [2021-10-16 22:46:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:09,148 INFO L470 AbstractCegarLoop]: Abstraction has 1222 states and 2319 transitions. [2021-10-16 22:46:09,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2319 transitions. [2021-10-16 22:46:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:09,151 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:09,152 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:09,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 22:46:09,152 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:09,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:09,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1697760015, now seen corresponding path program 4 times [2021-10-16 22:46:09,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:09,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111301493] [2021-10-16 22:46:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:09,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:09,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:09,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111301493] [2021-10-16 22:46:09,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111301493] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:09,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:09,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:09,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135891829] [2021-10-16 22:46:09,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:09,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:09,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:09,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:09,281 INFO L87 Difference]: Start difference. First operand 1222 states and 2319 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:09,723 INFO L93 Difference]: Finished difference Result 2494 states and 4692 transitions. [2021-10-16 22:46:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:09,727 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:09,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:09,733 INFO L225 Difference]: With dead ends: 2494 [2021-10-16 22:46:09,733 INFO L226 Difference]: Without dead ends: 2494 [2021-10-16 22:46:09,733 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 177.1ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:09,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2021-10-16 22:46:09,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 1397. [2021-10-16 22:46:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1394 states have (on average 1.9146341463414633) internal successors, (2669), 1396 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 2669 transitions. [2021-10-16 22:46:09,755 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 2669 transitions. Word has length 57 [2021-10-16 22:46:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:09,755 INFO L470 AbstractCegarLoop]: Abstraction has 1397 states and 2669 transitions. [2021-10-16 22:46:09,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2669 transitions. [2021-10-16 22:46:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:09,757 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:09,757 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:09,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 22:46:09,757 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:09,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:09,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1322384412, now seen corresponding path program 6 times [2021-10-16 22:46:09,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:09,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119928324] [2021-10-16 22:46:09,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:09,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:09,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:09,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119928324] [2021-10-16 22:46:09,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119928324] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:09,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:09,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:09,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452999944] [2021-10-16 22:46:09,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:09,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:09,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:09,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:09,859 INFO L87 Difference]: Start difference. First operand 1397 states and 2669 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:10,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:10,585 INFO L93 Difference]: Finished difference Result 2403 states and 4536 transitions. [2021-10-16 22:46:10,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:10,585 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:10,591 INFO L225 Difference]: With dead ends: 2403 [2021-10-16 22:46:10,591 INFO L226 Difference]: Without dead ends: 2375 [2021-10-16 22:46:10,592 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 310.5ms TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:46:10,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2021-10-16 22:46:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 1168. [2021-10-16 22:46:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 1165 states have (on average 1.8978540772532189) internal successors, (2211), 1167 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 2211 transitions. [2021-10-16 22:46:10,611 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 2211 transitions. Word has length 57 [2021-10-16 22:46:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:10,611 INFO L470 AbstractCegarLoop]: Abstraction has 1168 states and 2211 transitions. [2021-10-16 22:46:10,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 2211 transitions. [2021-10-16 22:46:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:10,612 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:10,613 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:10,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 22:46:10,613 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:10,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1675222901, now seen corresponding path program 5 times [2021-10-16 22:46:10,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:10,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027904766] [2021-10-16 22:46:10,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:10,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:10,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:10,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027904766] [2021-10-16 22:46:10,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027904766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:10,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:10,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:10,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30390835] [2021-10-16 22:46:10,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:10,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:10,717 INFO L87 Difference]: Start difference. First operand 1168 states and 2211 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:11,332 INFO L93 Difference]: Finished difference Result 2401 states and 4523 transitions. [2021-10-16 22:46:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 22:46:11,333 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:11,339 INFO L225 Difference]: With dead ends: 2401 [2021-10-16 22:46:11,340 INFO L226 Difference]: Without dead ends: 2401 [2021-10-16 22:46:11,340 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 174.3ms TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:46:11,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2021-10-16 22:46:11,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 1439. [2021-10-16 22:46:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1436 states have (on average 1.9171309192200556) internal successors, (2753), 1438 states have internal predecessors, (2753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2753 transitions. [2021-10-16 22:46:11,366 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2753 transitions. Word has length 57 [2021-10-16 22:46:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:11,366 INFO L470 AbstractCegarLoop]: Abstraction has 1439 states and 2753 transitions. [2021-10-16 22:46:11,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2753 transitions. [2021-10-16 22:46:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:11,370 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:11,370 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:11,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 22:46:11,370 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:11,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:11,371 INFO L82 PathProgramCache]: Analyzing trace with hash -549338712, now seen corresponding path program 7 times [2021-10-16 22:46:11,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:11,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984227501] [2021-10-16 22:46:11,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:11,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:11,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:11,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984227501] [2021-10-16 22:46:11,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984227501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:11,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:11,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:11,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090771906] [2021-10-16 22:46:11,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:11,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:11,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:11,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:11,489 INFO L87 Difference]: Start difference. First operand 1439 states and 2753 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:12,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:12,287 INFO L93 Difference]: Finished difference Result 2483 states and 4684 transitions. [2021-10-16 22:46:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:12,288 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:12,294 INFO L225 Difference]: With dead ends: 2483 [2021-10-16 22:46:12,294 INFO L226 Difference]: Without dead ends: 2455 [2021-10-16 22:46:12,299 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 350.7ms TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:46:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2021-10-16 22:46:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1168. [2021-10-16 22:46:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 1165 states have (on average 1.8978540772532189) internal successors, (2211), 1167 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 2211 transitions. [2021-10-16 22:46:12,328 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 2211 transitions. Word has length 57 [2021-10-16 22:46:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:12,328 INFO L470 AbstractCegarLoop]: Abstraction has 1168 states and 2211 transitions. [2021-10-16 22:46:12,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 2211 transitions. [2021-10-16 22:46:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:12,330 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:12,330 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] [2021-10-16 22:46:12,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 22:46:12,330 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:12,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:12,330 INFO L82 PathProgramCache]: Analyzing trace with hash -837110779, now seen corresponding path program 6 times [2021-10-16 22:46:12,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:12,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034490776] [2021-10-16 22:46:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:12,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:12,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:12,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034490776] [2021-10-16 22:46:12,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034490776] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:12,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:12,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:12,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349884188] [2021-10-16 22:46:12,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:12,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:12,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:12,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:12,442 INFO L87 Difference]: Start difference. First operand 1168 states and 2211 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:12,893 INFO L93 Difference]: Finished difference Result 1933 states and 3629 transitions. [2021-10-16 22:46:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-16 22:46:12,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:12,897 INFO L225 Difference]: With dead ends: 1933 [2021-10-16 22:46:12,897 INFO L226 Difference]: Without dead ends: 1933 [2021-10-16 22:46:12,897 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 201.3ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2021-10-16 22:46:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1246. [2021-10-16 22:46:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1243 states have (on average 1.9042638777152052) internal successors, (2367), 1245 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2367 transitions. [2021-10-16 22:46:12,914 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2367 transitions. Word has length 57 [2021-10-16 22:46:12,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:12,914 INFO L470 AbstractCegarLoop]: Abstraction has 1246 states and 2367 transitions. [2021-10-16 22:46:12,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2367 transitions. [2021-10-16 22:46:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:12,916 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:12,916 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:12,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 22:46:12,916 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:12,916 INFO L82 PathProgramCache]: Analyzing trace with hash -749441975, now seen corresponding path program 7 times [2021-10-16 22:46:12,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:12,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703316707] [2021-10-16 22:46:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:12,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:13,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:13,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703316707] [2021-10-16 22:46:13,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703316707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:13,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:13,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:13,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482905246] [2021-10-16 22:46:13,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:13,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:13,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:13,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:13,038 INFO L87 Difference]: Start difference. First operand 1246 states and 2367 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:13,660 INFO L93 Difference]: Finished difference Result 2036 states and 3813 transitions. [2021-10-16 22:46:13,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:13,660 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:13,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:13,665 INFO L225 Difference]: With dead ends: 2036 [2021-10-16 22:46:13,665 INFO L226 Difference]: Without dead ends: 2036 [2021-10-16 22:46:13,665 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 249.8ms TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2021-10-16 22:46:13,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1264. [2021-10-16 22:46:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1261 states have (on average 1.9056304520222045) internal successors, (2403), 1263 states have internal predecessors, (2403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2403 transitions. [2021-10-16 22:46:13,684 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2403 transitions. Word has length 57 [2021-10-16 22:46:13,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:13,685 INFO L470 AbstractCegarLoop]: Abstraction has 1264 states and 2403 transitions. [2021-10-16 22:46:13,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2403 transitions. [2021-10-16 22:46:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:13,686 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:13,686 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:13,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 22:46:13,687 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:13,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1978794053, now seen corresponding path program 8 times [2021-10-16 22:46:13,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:13,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38704353] [2021-10-16 22:46:13,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:13,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:13,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:13,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38704353] [2021-10-16 22:46:13,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38704353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:13,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:13,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:13,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115958949] [2021-10-16 22:46:13,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:13,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:13,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:13,792 INFO L87 Difference]: Start difference. First operand 1264 states and 2403 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:14,379 INFO L93 Difference]: Finished difference Result 2016 states and 3784 transitions. [2021-10-16 22:46:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 22:46:14,379 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:14,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:14,383 INFO L225 Difference]: With dead ends: 2016 [2021-10-16 22:46:14,383 INFO L226 Difference]: Without dead ends: 2016 [2021-10-16 22:46:14,383 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 183.8ms TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:46:14,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2021-10-16 22:46:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 1439. [2021-10-16 22:46:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1436 states have (on average 1.9171309192200556) internal successors, (2753), 1438 states have internal predecessors, (2753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2753 transitions. [2021-10-16 22:46:14,404 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2753 transitions. Word has length 57 [2021-10-16 22:46:14,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:14,404 INFO L470 AbstractCegarLoop]: Abstraction has 1439 states and 2753 transitions. [2021-10-16 22:46:14,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2753 transitions. [2021-10-16 22:46:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:14,406 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:14,406 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:14,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 22:46:14,406 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:14,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:14,407 INFO L82 PathProgramCache]: Analyzing trace with hash -5194568, now seen corresponding path program 8 times [2021-10-16 22:46:14,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:14,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599105748] [2021-10-16 22:46:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:14,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:14,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:14,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599105748] [2021-10-16 22:46:14,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599105748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:14,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:14,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:14,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899224504] [2021-10-16 22:46:14,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:14,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:14,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:14,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:14,512 INFO L87 Difference]: Start difference. First operand 1439 states and 2753 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:15,111 INFO L93 Difference]: Finished difference Result 1891 states and 3563 transitions. [2021-10-16 22:46:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:15,111 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:15,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:15,114 INFO L225 Difference]: With dead ends: 1891 [2021-10-16 22:46:15,114 INFO L226 Difference]: Without dead ends: 1863 [2021-10-16 22:46:15,114 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 327.5ms TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:46:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2021-10-16 22:46:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1222. [2021-10-16 22:46:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1219 states have (on average 1.9023789991796554) internal successors, (2319), 1221 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 2319 transitions. [2021-10-16 22:46:15,131 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 2319 transitions. Word has length 57 [2021-10-16 22:46:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:15,131 INFO L470 AbstractCegarLoop]: Abstraction has 1222 states and 2319 transitions. [2021-10-16 22:46:15,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2319 transitions. [2021-10-16 22:46:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:15,132 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:15,133 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:15,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 22:46:15,133 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:15,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1653065823, now seen corresponding path program 9 times [2021-10-16 22:46:15,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:15,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989435886] [2021-10-16 22:46:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:15,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:15,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:15,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989435886] [2021-10-16 22:46:15,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989435886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:15,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:15,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:15,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443850297] [2021-10-16 22:46:15,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:15,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:15,244 INFO L87 Difference]: Start difference. First operand 1222 states and 2319 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:15,843 INFO L93 Difference]: Finished difference Result 1376 states and 2577 transitions. [2021-10-16 22:46:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:15,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:15,846 INFO L225 Difference]: With dead ends: 1376 [2021-10-16 22:46:15,846 INFO L226 Difference]: Without dead ends: 1376 [2021-10-16 22:46:15,846 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 299.9ms TimeCoverageRelationStatistics Valid=235, Invalid=467, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:46:15,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2021-10-16 22:46:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1216. [2021-10-16 22:46:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 1213 states have (on average 1.9018961253091509) internal successors, (2307), 1215 states have internal predecessors, (2307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 2307 transitions. [2021-10-16 22:46:15,862 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 2307 transitions. Word has length 57 [2021-10-16 22:46:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:15,862 INFO L470 AbstractCegarLoop]: Abstraction has 1216 states and 2307 transitions. [2021-10-16 22:46:15,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 2307 transitions. [2021-10-16 22:46:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:15,864 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:15,864 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:15,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 22:46:15,864 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:15,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:15,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1565397019, now seen corresponding path program 10 times [2021-10-16 22:46:15,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:15,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717312968] [2021-10-16 22:46:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:15,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:15,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:15,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717312968] [2021-10-16 22:46:15,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717312968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:15,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:15,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:15,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640274576] [2021-10-16 22:46:15,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:15,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:15,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:15,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:15,983 INFO L87 Difference]: Start difference. First operand 1216 states and 2307 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:16,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:16,710 INFO L93 Difference]: Finished difference Result 1414 states and 2636 transitions. [2021-10-16 22:46:16,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:46:16,710 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:16,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:16,713 INFO L225 Difference]: With dead ends: 1414 [2021-10-16 22:46:16,713 INFO L226 Difference]: Without dead ends: 1414 [2021-10-16 22:46:16,713 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 313.4ms TimeCoverageRelationStatistics Valid=248, Invalid=508, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:46:16,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2021-10-16 22:46:16,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1168. [2021-10-16 22:46:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 1165 states have (on average 1.8978540772532189) internal successors, (2211), 1167 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 2211 transitions. [2021-10-16 22:46:16,729 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 2211 transitions. Word has length 57 [2021-10-16 22:46:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:16,729 INFO L470 AbstractCegarLoop]: Abstraction has 1168 states and 2211 transitions. [2021-10-16 22:46:16,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 2211 transitions. [2021-10-16 22:46:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:16,731 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:16,731 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:16,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-16 22:46:16,731 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:16,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:16,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1251600807, now seen corresponding path program 11 times [2021-10-16 22:46:16,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:16,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651089403] [2021-10-16 22:46:16,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:16,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:16,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:16,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651089403] [2021-10-16 22:46:16,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651089403] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:16,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:16,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:16,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160492660] [2021-10-16 22:46:16,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:16,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:16,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:16,852 INFO L87 Difference]: Start difference. First operand 1168 states and 2211 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:17,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:17,363 INFO L93 Difference]: Finished difference Result 1911 states and 3588 transitions. [2021-10-16 22:46:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:17,364 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:17,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:17,370 INFO L225 Difference]: With dead ends: 1911 [2021-10-16 22:46:17,370 INFO L226 Difference]: Without dead ends: 1911 [2021-10-16 22:46:17,370 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 195.1ms TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:17,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2021-10-16 22:46:17,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1201. [2021-10-16 22:46:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1198 states have (on average 1.9031719532554257) internal successors, (2280), 1200 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2280 transitions. [2021-10-16 22:46:17,390 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2280 transitions. Word has length 57 [2021-10-16 22:46:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:17,390 INFO L470 AbstractCegarLoop]: Abstraction has 1201 states and 2280 transitions. [2021-10-16 22:46:17,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2280 transitions. [2021-10-16 22:46:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:17,394 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:17,394 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:17,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-16 22:46:17,394 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:17,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:17,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1339269611, now seen corresponding path program 12 times [2021-10-16 22:46:17,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:17,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780692352] [2021-10-16 22:46:17,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:17,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:17,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:17,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780692352] [2021-10-16 22:46:17,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780692352] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:17,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:17,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:17,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953328849] [2021-10-16 22:46:17,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:17,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:17,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:17,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:17,519 INFO L87 Difference]: Start difference. First operand 1201 states and 2280 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:18,234 INFO L93 Difference]: Finished difference Result 2014 states and 3772 transitions. [2021-10-16 22:46:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-16 22:46:18,234 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:18,237 INFO L225 Difference]: With dead ends: 2014 [2021-10-16 22:46:18,238 INFO L226 Difference]: Without dead ends: 2014 [2021-10-16 22:46:18,238 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 244.8ms TimeCoverageRelationStatistics Valid=194, Invalid=406, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:18,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2021-10-16 22:46:18,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1219. [2021-10-16 22:46:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1216 states have (on average 1.9046052631578947) internal successors, (2316), 1218 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2316 transitions. [2021-10-16 22:46:18,253 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2316 transitions. Word has length 57 [2021-10-16 22:46:18,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:18,253 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 2316 transitions. [2021-10-16 22:46:18,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2316 transitions. [2021-10-16 22:46:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:18,255 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:18,255 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:18,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-16 22:46:18,255 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:18,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:18,255 INFO L82 PathProgramCache]: Analyzing trace with hash -227461657, now seen corresponding path program 13 times [2021-10-16 22:46:18,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:18,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092978571] [2021-10-16 22:46:18,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:18,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:18,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:18,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092978571] [2021-10-16 22:46:18,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092978571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:18,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:18,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:18,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590809553] [2021-10-16 22:46:18,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:18,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:18,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:18,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:18,367 INFO L87 Difference]: Start difference. First operand 1219 states and 2316 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:18,948 INFO L93 Difference]: Finished difference Result 2474 states and 4647 transitions. [2021-10-16 22:46:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 22:46:18,949 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:18,952 INFO L225 Difference]: With dead ends: 2474 [2021-10-16 22:46:18,953 INFO L226 Difference]: Without dead ends: 2474 [2021-10-16 22:46:18,953 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 169.6ms TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:46:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2021-10-16 22:46:18,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 1394. [2021-10-16 22:46:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1391 states have (on average 1.916606757728253) internal successors, (2666), 1393 states have internal predecessors, (2666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2666 transitions. [2021-10-16 22:46:18,972 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2666 transitions. Word has length 57 [2021-10-16 22:46:18,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:18,972 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 2666 transitions. [2021-10-16 22:46:18,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:18,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2666 transitions. [2021-10-16 22:46:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:18,974 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:18,974 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:18,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-16 22:46:18,974 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:18,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:18,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2083517018, now seen corresponding path program 9 times [2021-10-16 22:46:18,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:18,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62958960] [2021-10-16 22:46:18,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:18,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:19,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:19,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62958960] [2021-10-16 22:46:19,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62958960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:19,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:19,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:19,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387637765] [2021-10-16 22:46:19,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:19,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:19,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:19,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:19,069 INFO L87 Difference]: Start difference. First operand 1394 states and 2666 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:19,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:19,971 INFO L93 Difference]: Finished difference Result 2453 states and 4624 transitions. [2021-10-16 22:46:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:46:19,971 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:19,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:19,975 INFO L225 Difference]: With dead ends: 2453 [2021-10-16 22:46:19,975 INFO L226 Difference]: Without dead ends: 2425 [2021-10-16 22:46:19,976 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 360.8ms TimeCoverageRelationStatistics Valid=435, Invalid=971, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:46:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2425 states. [2021-10-16 22:46:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2425 to 1123. [2021-10-16 22:46:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1120 states have (on average 1.8964285714285714) internal successors, (2124), 1122 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 2124 transitions. [2021-10-16 22:46:19,992 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 2124 transitions. Word has length 57 [2021-10-16 22:46:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:19,992 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 2124 transitions. [2021-10-16 22:46:19,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2124 transitions. [2021-10-16 22:46:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:19,994 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:19,994 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:19,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-16 22:46:19,994 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:19,994 INFO L82 PathProgramCache]: Analyzing trace with hash -357718223, now seen corresponding path program 14 times [2021-10-16 22:46:19,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:19,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598226151] [2021-10-16 22:46:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:19,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:20,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:20,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598226151] [2021-10-16 22:46:20,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598226151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:20,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:20,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:20,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233538556] [2021-10-16 22:46:20,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:20,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:20,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:20,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:20,098 INFO L87 Difference]: Start difference. First operand 1123 states and 2124 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:20,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:20,575 INFO L93 Difference]: Finished difference Result 1741 states and 3279 transitions. [2021-10-16 22:46:20,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 22:46:20,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:20,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:20,578 INFO L225 Difference]: With dead ends: 1741 [2021-10-16 22:46:20,578 INFO L226 Difference]: Without dead ends: 1741 [2021-10-16 22:46:20,578 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 149.2ms TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:46:20,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2021-10-16 22:46:20,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1015. [2021-10-16 22:46:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1013 states have (on average 1.9111549851924976) internal successors, (1936), 1014 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1936 transitions. [2021-10-16 22:46:20,591 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1936 transitions. Word has length 57 [2021-10-16 22:46:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:20,591 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1936 transitions. [2021-10-16 22:46:20,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1936 transitions. [2021-10-16 22:46:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 22:46:20,592 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:20,593 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] [2021-10-16 22:46:20,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-16 22:46:20,593 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:20,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:20,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1712687460, now seen corresponding path program 10 times [2021-10-16 22:46:20,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:20,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31529879] [2021-10-16 22:46:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:20,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:20,700 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 22:46:20,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:20,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31529879] [2021-10-16 22:46:20,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31529879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:20,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:20,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:20,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257552122] [2021-10-16 22:46:20,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:20,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:20,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:20,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:20,702 INFO L87 Difference]: Start difference. First operand 1015 states and 1936 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:21,420 INFO L93 Difference]: Finished difference Result 1793 states and 3383 transitions. [2021-10-16 22:46:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:21,421 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-16 22:46:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:21,423 INFO L225 Difference]: With dead ends: 1793 [2021-10-16 22:46:21,423 INFO L226 Difference]: Without dead ends: 1765 [2021-10-16 22:46:21,423 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 319.0ms TimeCoverageRelationStatistics Valid=343, Invalid=779, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:46:21,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2021-10-16 22:46:21,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 666. [2021-10-16 22:46:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 665 states have (on average 1.8796992481203008) internal successors, (1250), 665 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1250 transitions. [2021-10-16 22:46:21,432 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1250 transitions. Word has length 57 [2021-10-16 22:46:21,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:21,433 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 1250 transitions. [2021-10-16 22:46:21,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1250 transitions. [2021-10-16 22:46:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:21,434 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:21,434 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:21,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-16 22:46:21,434 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:21,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:21,434 INFO L82 PathProgramCache]: Analyzing trace with hash -770341517, now seen corresponding path program 1 times [2021-10-16 22:46:21,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:21,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716054153] [2021-10-16 22:46:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:21,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:21,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:21,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716054153] [2021-10-16 22:46:21,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716054153] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:21,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:21,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:46:21,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072925785] [2021-10-16 22:46:21,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:46:21,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:21,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:46:21,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:46:21,589 INFO L87 Difference]: Start difference. First operand 666 states and 1250 transitions. Second operand has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:21,996 INFO L93 Difference]: Finished difference Result 750 states and 1393 transitions. [2021-10-16 22:46:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 22:46:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:21,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:21,998 INFO L225 Difference]: With dead ends: 750 [2021-10-16 22:46:21,998 INFO L226 Difference]: Without dead ends: 514 [2021-10-16 22:46:21,998 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 299.9ms TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:46:21,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-10-16 22:46:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 478. [2021-10-16 22:46:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 477 states have (on average 1.8385744234800838) internal successors, (877), 477 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 877 transitions. [2021-10-16 22:46:22,003 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 877 transitions. Word has length 74 [2021-10-16 22:46:22,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:22,003 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 877 transitions. [2021-10-16 22:46:22,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 877 transitions. [2021-10-16 22:46:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:22,004 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:22,005 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:22,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-16 22:46:22,005 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:22,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:22,005 INFO L82 PathProgramCache]: Analyzing trace with hash -14020197, now seen corresponding path program 2 times [2021-10-16 22:46:22,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:22,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614465492] [2021-10-16 22:46:22,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:22,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:22,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:22,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614465492] [2021-10-16 22:46:22,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614465492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:22,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:22,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:22,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065513487] [2021-10-16 22:46:22,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:22,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:22,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:22,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:22,241 INFO L87 Difference]: Start difference. First operand 478 states and 877 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:23,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:23,287 INFO L93 Difference]: Finished difference Result 814 states and 1496 transitions. [2021-10-16 22:46:23,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:46:23,288 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:23,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:23,289 INFO L225 Difference]: With dead ends: 814 [2021-10-16 22:46:23,289 INFO L226 Difference]: Without dead ends: 486 [2021-10-16 22:46:23,289 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 723.3ms TimeCoverageRelationStatistics Valid=418, Invalid=988, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:46:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-10-16 22:46:23,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 450. [2021-10-16 22:46:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.8285077951002227) internal successors, (821), 449 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 821 transitions. [2021-10-16 22:46:23,293 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 821 transitions. Word has length 74 [2021-10-16 22:46:23,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:23,294 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 821 transitions. [2021-10-16 22:46:23,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:23,294 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 821 transitions. [2021-10-16 22:46:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:23,295 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:23,295 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:23,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-16 22:46:23,295 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:23,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:23,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1248989697, now seen corresponding path program 3 times [2021-10-16 22:46:23,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:23,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213306047] [2021-10-16 22:46:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:23,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:23,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:23,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213306047] [2021-10-16 22:46:23,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213306047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:23,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:23,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:23,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653782734] [2021-10-16 22:46:23,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:23,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:23,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:23,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:23,621 INFO L87 Difference]: Start difference. First operand 450 states and 821 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:24,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:24,289 INFO L93 Difference]: Finished difference Result 922 states and 1679 transitions. [2021-10-16 22:46:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:24,290 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:24,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:24,291 INFO L225 Difference]: With dead ends: 922 [2021-10-16 22:46:24,291 INFO L226 Difference]: Without dead ends: 835 [2021-10-16 22:46:24,291 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 491.9ms TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:46:24,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2021-10-16 22:46:24,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 495. [2021-10-16 22:46:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 494 states have (on average 1.8380566801619433) internal successors, (908), 494 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 908 transitions. [2021-10-16 22:46:24,297 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 908 transitions. Word has length 74 [2021-10-16 22:46:24,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:24,297 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 908 transitions. [2021-10-16 22:46:24,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 908 transitions. [2021-10-16 22:46:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:24,298 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:24,298 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:24,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-16 22:46:24,299 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:24,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:24,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1335847485, now seen corresponding path program 4 times [2021-10-16 22:46:24,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:24,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038742356] [2021-10-16 22:46:24,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:24,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:24,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:24,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038742356] [2021-10-16 22:46:24,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038742356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:24,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:24,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:24,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605066408] [2021-10-16 22:46:24,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:24,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:24,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:24,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:24,629 INFO L87 Difference]: Start difference. First operand 495 states and 908 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:25,330 INFO L93 Difference]: Finished difference Result 939 states and 1712 transitions. [2021-10-16 22:46:25,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:25,331 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:25,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:25,331 INFO L225 Difference]: With dead ends: 939 [2021-10-16 22:46:25,332 INFO L226 Difference]: Without dead ends: 832 [2021-10-16 22:46:25,332 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 519.2ms TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:46:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2021-10-16 22:46:25,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 492. [2021-10-16 22:46:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 491 states have (on average 1.8370672097759675) internal successors, (902), 491 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 902 transitions. [2021-10-16 22:46:25,337 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 902 transitions. Word has length 74 [2021-10-16 22:46:25,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:25,337 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 902 transitions. [2021-10-16 22:46:25,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 902 transitions. [2021-10-16 22:46:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:25,339 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:25,339 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:25,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-16 22:46:25,339 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:25,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:25,339 INFO L82 PathProgramCache]: Analyzing trace with hash -552284735, now seen corresponding path program 5 times [2021-10-16 22:46:25,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:25,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251192898] [2021-10-16 22:46:25,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:25,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:25,649 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 22:46:25,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:25,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251192898] [2021-10-16 22:46:25,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251192898] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:25,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:25,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:25,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409628245] [2021-10-16 22:46:25,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:25,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:25,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:25,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:25,651 INFO L87 Difference]: Start difference. First operand 492 states and 902 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:26,194 INFO L93 Difference]: Finished difference Result 1054 states and 1940 transitions. [2021-10-16 22:46:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:26,196 INFO L225 Difference]: With dead ends: 1054 [2021-10-16 22:46:26,196 INFO L226 Difference]: Without dead ends: 763 [2021-10-16 22:46:26,196 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 414.6ms TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:26,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-10-16 22:46:26,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 459. [2021-10-16 22:46:26,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.8253275109170306) internal successors, (836), 458 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 836 transitions. [2021-10-16 22:46:26,201 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 836 transitions. Word has length 74 [2021-10-16 22:46:26,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:26,201 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 836 transitions. [2021-10-16 22:46:26,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:26,201 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 836 transitions. [2021-10-16 22:46:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:26,202 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:26,202 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:26,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-16 22:46:26,203 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:26,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:26,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1715862595, now seen corresponding path program 6 times [2021-10-16 22:46:26,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:26,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8152017] [2021-10-16 22:46:26,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:26,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:26,510 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 22:46:26,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:26,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8152017] [2021-10-16 22:46:26,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8152017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:26,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:26,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-16 22:46:26,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401495838] [2021-10-16 22:46:26,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-16 22:46:26,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:26,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-16 22:46:26,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-10-16 22:46:26,511 INFO L87 Difference]: Start difference. First operand 459 states and 836 transitions. Second operand has 16 states, 15 states have (on average 4.933333333333334) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:27,038 INFO L93 Difference]: Finished difference Result 759 states and 1392 transitions. [2021-10-16 22:46:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:27,045 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.933333333333334) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:27,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:27,045 INFO L225 Difference]: With dead ends: 759 [2021-10-16 22:46:27,045 INFO L226 Difference]: Without dead ends: 444 [2021-10-16 22:46:27,046 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 290.3ms TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:27,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-10-16 22:46:27,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2021-10-16 22:46:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.8261851015801354) internal successors, (809), 443 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 809 transitions. [2021-10-16 22:46:27,050 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 809 transitions. Word has length 74 [2021-10-16 22:46:27,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:27,050 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 809 transitions. [2021-10-16 22:46:27,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.933333333333334) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 809 transitions. [2021-10-16 22:46:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:27,051 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:27,051 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:27,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-16 22:46:27,052 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:27,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:27,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1489690925, now seen corresponding path program 7 times [2021-10-16 22:46:27,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:27,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172949538] [2021-10-16 22:46:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:27,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:27,396 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 22:46:27,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:27,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172949538] [2021-10-16 22:46:27,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172949538] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:27,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:27,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:27,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602446794] [2021-10-16 22:46:27,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:27,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:27,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:27,397 INFO L87 Difference]: Start difference. First operand 444 states and 809 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:28,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:28,174 INFO L93 Difference]: Finished difference Result 897 states and 1624 transitions. [2021-10-16 22:46:28,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:28,174 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:28,175 INFO L225 Difference]: With dead ends: 897 [2021-10-16 22:46:28,175 INFO L226 Difference]: Without dead ends: 810 [2021-10-16 22:46:28,176 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 647.8ms TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:46:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2021-10-16 22:46:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 480. [2021-10-16 22:46:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 479 states have (on average 1.8329853862212944) internal successors, (878), 479 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 878 transitions. [2021-10-16 22:46:28,181 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 878 transitions. Word has length 74 [2021-10-16 22:46:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:28,181 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 878 transitions. [2021-10-16 22:46:28,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 878 transitions. [2021-10-16 22:46:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:28,182 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:28,182 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:28,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-16 22:46:28,182 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:28,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:28,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1576548713, now seen corresponding path program 8 times [2021-10-16 22:46:28,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:28,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393560259] [2021-10-16 22:46:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:28,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:28,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:28,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393560259] [2021-10-16 22:46:28,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393560259] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:28,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:28,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:28,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464420111] [2021-10-16 22:46:28,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:28,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:28,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:28,511 INFO L87 Difference]: Start difference. First operand 480 states and 878 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:29,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:29,409 INFO L93 Difference]: Finished difference Result 914 states and 1657 transitions. [2021-10-16 22:46:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:29,409 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:29,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:29,410 INFO L225 Difference]: With dead ends: 914 [2021-10-16 22:46:29,410 INFO L226 Difference]: Without dead ends: 807 [2021-10-16 22:46:29,411 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 728.9ms TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:46:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-10-16 22:46:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 477. [2021-10-16 22:46:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.8319327731092436) internal successors, (872), 476 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 872 transitions. [2021-10-16 22:46:29,416 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 872 transitions. Word has length 74 [2021-10-16 22:46:29,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:29,416 INFO L470 AbstractCegarLoop]: Abstraction has 477 states and 872 transitions. [2021-10-16 22:46:29,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 872 transitions. [2021-10-16 22:46:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:29,417 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:29,417 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:29,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-16 22:46:29,417 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:29,417 INFO L82 PathProgramCache]: Analyzing trace with hash -311583507, now seen corresponding path program 9 times [2021-10-16 22:46:29,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:29,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449844684] [2021-10-16 22:46:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:29,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:29,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:29,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449844684] [2021-10-16 22:46:29,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449844684] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:29,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:29,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:29,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462678073] [2021-10-16 22:46:29,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:29,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:29,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:29,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:29,719 INFO L87 Difference]: Start difference. First operand 477 states and 872 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:30,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:30,325 INFO L93 Difference]: Finished difference Result 855 states and 1553 transitions. [2021-10-16 22:46:30,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:30,329 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:30,330 INFO L225 Difference]: With dead ends: 855 [2021-10-16 22:46:30,330 INFO L226 Difference]: Without dead ends: 564 [2021-10-16 22:46:30,331 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 507.9ms TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:30,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2021-10-16 22:46:30,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 444. [2021-10-16 22:46:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.8013544018058691) internal successors, (798), 443 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 798 transitions. [2021-10-16 22:46:30,335 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 798 transitions. Word has length 74 [2021-10-16 22:46:30,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:30,335 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 798 transitions. [2021-10-16 22:46:30,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 798 transitions. [2021-10-16 22:46:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:30,336 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:30,336 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:30,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-16 22:46:30,336 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:30,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:30,336 INFO L82 PathProgramCache]: Analyzing trace with hash -22443759, now seen corresponding path program 10 times [2021-10-16 22:46:30,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:30,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267246414] [2021-10-16 22:46:30,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:30,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:30,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:30,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267246414] [2021-10-16 22:46:30,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267246414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:30,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:30,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:30,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337267526] [2021-10-16 22:46:30,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:30,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:30,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:30,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:30,663 INFO L87 Difference]: Start difference. First operand 444 states and 798 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:31,650 INFO L93 Difference]: Finished difference Result 590 states and 1044 transitions. [2021-10-16 22:46:31,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-16 22:46:31,651 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:31,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:31,651 INFO L225 Difference]: With dead ends: 590 [2021-10-16 22:46:31,651 INFO L226 Difference]: Without dead ends: 494 [2021-10-16 22:46:31,652 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 774.8ms TimeCoverageRelationStatistics Valid=303, Invalid=627, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:46:31,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-10-16 22:46:31,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 438. [2021-10-16 22:46:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 437 states have (on average 1.791762013729977) internal successors, (783), 437 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 783 transitions. [2021-10-16 22:46:31,656 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 783 transitions. Word has length 74 [2021-10-16 22:46:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:31,656 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 783 transitions. [2021-10-16 22:46:31,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 783 transitions. [2021-10-16 22:46:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:31,657 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:31,657 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:31,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-16 22:46:31,657 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 64414029, now seen corresponding path program 11 times [2021-10-16 22:46:31,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:31,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830089839] [2021-10-16 22:46:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:31,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:31,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:31,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830089839] [2021-10-16 22:46:31,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830089839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:31,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:31,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:31,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285698856] [2021-10-16 22:46:31,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:31,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:31,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:31,963 INFO L87 Difference]: Start difference. First operand 438 states and 783 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:32,883 INFO L93 Difference]: Finished difference Result 578 states and 1024 transitions. [2021-10-16 22:46:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:32,883 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:32,884 INFO L225 Difference]: With dead ends: 578 [2021-10-16 22:46:32,884 INFO L226 Difference]: Without dead ends: 435 [2021-10-16 22:46:32,891 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 652.0ms TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:46:32,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-10-16 22:46:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 399. [2021-10-16 22:46:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 398 states have (on average 1.806532663316583) internal successors, (719), 398 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 719 transitions. [2021-10-16 22:46:32,895 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 719 transitions. Word has length 74 [2021-10-16 22:46:32,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:32,895 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 719 transitions. [2021-10-16 22:46:32,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 719 transitions. [2021-10-16 22:46:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:32,896 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:32,896 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:32,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-16 22:46:32,896 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:32,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:32,896 INFO L82 PathProgramCache]: Analyzing trace with hash 575497163, now seen corresponding path program 12 times [2021-10-16 22:46:32,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:32,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450309161] [2021-10-16 22:46:32,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:32,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:33,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:33,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450309161] [2021-10-16 22:46:33,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450309161] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:33,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:33,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:33,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606656687] [2021-10-16 22:46:33,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:33,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:33,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:33,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:33,191 INFO L87 Difference]: Start difference. First operand 399 states and 719 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:34,013 INFO L93 Difference]: Finished difference Result 513 states and 909 transitions. [2021-10-16 22:46:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:34,014 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:34,014 INFO L225 Difference]: With dead ends: 513 [2021-10-16 22:46:34,014 INFO L226 Difference]: Without dead ends: 426 [2021-10-16 22:46:34,015 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 606.9ms TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:46:34,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-10-16 22:46:34,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 390. [2021-10-16 22:46:34,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.8020565552699228) internal successors, (701), 389 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 701 transitions. [2021-10-16 22:46:34,018 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 701 transitions. Word has length 74 [2021-10-16 22:46:34,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:34,019 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 701 transitions. [2021-10-16 22:46:34,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:34,019 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 701 transitions. [2021-10-16 22:46:34,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:34,019 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:34,019 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:34,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-16 22:46:34,020 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:34,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:34,020 INFO L82 PathProgramCache]: Analyzing trace with hash 662354951, now seen corresponding path program 13 times [2021-10-16 22:46:34,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:34,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384898152] [2021-10-16 22:46:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:34,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:34,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:34,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384898152] [2021-10-16 22:46:34,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384898152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:34,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:34,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:34,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104509462] [2021-10-16 22:46:34,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:34,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:34,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:34,339 INFO L87 Difference]: Start difference. First operand 390 states and 701 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:35,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:35,190 INFO L93 Difference]: Finished difference Result 530 states and 942 transitions. [2021-10-16 22:46:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:35,191 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:35,191 INFO L225 Difference]: With dead ends: 530 [2021-10-16 22:46:35,191 INFO L226 Difference]: Without dead ends: 423 [2021-10-16 22:46:35,192 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 668.6ms TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:46:35,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2021-10-16 22:46:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 387. [2021-10-16 22:46:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 386 states have (on average 1.8005181347150259) internal successors, (695), 386 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 695 transitions. [2021-10-16 22:46:35,195 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 695 transitions. Word has length 74 [2021-10-16 22:46:35,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:35,195 INFO L470 AbstractCegarLoop]: Abstraction has 387 states and 695 transitions. [2021-10-16 22:46:35,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 695 transitions. [2021-10-16 22:46:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:35,199 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:35,199 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:35,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-16 22:46:35,199 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:35,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:35,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1225777269, now seen corresponding path program 14 times [2021-10-16 22:46:35,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:35,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58342916] [2021-10-16 22:46:35,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:35,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:35,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:35,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58342916] [2021-10-16 22:46:35,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58342916] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:35,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:35,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-16 22:46:35,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867234651] [2021-10-16 22:46:35,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 22:46:35,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:35,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 22:46:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-10-16 22:46:35,500 INFO L87 Difference]: Start difference. First operand 387 states and 695 transitions. Second operand has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:36,159 INFO L93 Difference]: Finished difference Result 645 states and 1170 transitions. [2021-10-16 22:46:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:36,159 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:36,160 INFO L225 Difference]: With dead ends: 645 [2021-10-16 22:46:36,160 INFO L226 Difference]: Without dead ends: 354 [2021-10-16 22:46:36,160 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 486.5ms TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:36,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-16 22:46:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2021-10-16 22:46:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.7818696883852692) internal successors, (629), 353 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 629 transitions. [2021-10-16 22:46:36,164 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 629 transitions. Word has length 74 [2021-10-16 22:46:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:36,164 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 629 transitions. [2021-10-16 22:46:36,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.625) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 629 transitions. [2021-10-16 22:46:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-16 22:46:36,164 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:36,165 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:36,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-16 22:46:36,165 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:36,165 INFO L82 PathProgramCache]: Analyzing trace with hash -181458047, now seen corresponding path program 15 times [2021-10-16 22:46:36,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:36,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273206695] [2021-10-16 22:46:36,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:36,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:36,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:36,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273206695] [2021-10-16 22:46:36,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273206695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:36,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:36,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-16 22:46:36,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110039370] [2021-10-16 22:46:36,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-16 22:46:36,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:36,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-16 22:46:36,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-10-16 22:46:36,450 INFO L87 Difference]: Start difference. First operand 354 states and 629 transitions. Second operand has 16 states, 15 states have (on average 4.933333333333334) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:36,817 INFO L93 Difference]: Finished difference Result 350 states and 622 transitions. [2021-10-16 22:46:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:36,817 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.933333333333334) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-16 22:46:36,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:36,817 INFO L225 Difference]: With dead ends: 350 [2021-10-16 22:46:36,818 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 22:46:36,818 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 279.2ms TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:36,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 22:46:36,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 22:46:36,818 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 22:46:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 22:46:36,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-16 22:46:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:36,818 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 22:46:36,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.933333333333334) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 22:46:36,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 22:46:36,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:36,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:36,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:36,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:36,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-16 22:46:36,826 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:36,826 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:36,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:36 BasicIcfg [2021-10-16 22:46:36,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:36,829 INFO L168 Benchmark]: Toolchain (without parser) took 36395.08 ms. Allocated memory was 187.7 MB in the beginning and 303.0 MB in the end (delta: 115.3 MB). Free memory was 135.4 MB in the beginning and 183.4 MB in the end (delta: -47.9 MB). Peak memory consumption was 68.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:36,829 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 153.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:36,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.66 ms. Allocated memory is still 187.7 MB. Free memory was 135.3 MB in the beginning and 147.3 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:36,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.53 ms. Allocated memory is still 187.7 MB. Free memory was 147.3 MB in the beginning and 144.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:36,829 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 ms. Allocated memory is still 187.7 MB. Free memory was 144.7 MB in the beginning and 142.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:36,830 INFO L168 Benchmark]: RCFGBuilder took 376.06 ms. Allocated memory is still 187.7 MB. Free memory was 142.9 MB in the beginning and 129.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:36,830 INFO L168 Benchmark]: TraceAbstraction took 35447.79 ms. Allocated memory was 187.7 MB in the beginning and 303.0 MB in the end (delta: 115.3 MB). Free memory was 128.4 MB in the beginning and 183.4 MB in the end (delta: -54.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:36,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 153.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 465.66 ms. Allocated memory is still 187.7 MB. Free memory was 135.3 MB in the beginning and 147.3 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.53 ms. Allocated memory is still 187.7 MB. Free memory was 147.3 MB in the beginning and 144.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.13 ms. Allocated memory is still 187.7 MB. Free memory was 144.7 MB in the beginning and 142.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 376.06 ms. Allocated memory is still 187.7 MB. Free memory was 142.9 MB in the beginning and 129.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35447.79 ms. Allocated memory was 187.7 MB in the beginning and 303.0 MB in the end (delta: 115.3 MB). Free memory was 128.4 MB in the beginning and 183.4 MB in the end (delta: -54.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 916]: 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, 124 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 35316.8ms, OverallIterations: 41, TraceHistogramMax: 1, EmptinessCheckTime: 70.5ms, AutomataDifference: 26474.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 57.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6805 SDtfs, 18378 SDslu, 20904 SDs, 0 SdLazy, 27605 SolverSat, 3274 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11937.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1156 GetRequests, 67 SyntacticMatches, 81 SemanticMatches, 1008 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3202 ImplicationChecksByTransitivity, 14285.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1439occurred in iteration=13, InterpolantAutomatonStates: 674, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 625.5ms AutomataMinimizationTime, 41 MinimizatonAttempts, 18374 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 66.0ms SsaConstructionTime, 320.3ms SatisfiabilityAnalysisTime, 7339.7ms InterpolantComputationTime, 2571 NumberOfCodeBlocks, 2571 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 2530 ConstructedInterpolants, 0 QuantifiedInterpolants, 29487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 22:46:36,853 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...