/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_27-base_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:12,551 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:12,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-16 22:46:12,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:12,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:12,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:12,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:12,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:12,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:12,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:12,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:12,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:12,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:12,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:12,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:12,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:12,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:12,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:12,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:12,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:12,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:12,882 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:12,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i [2021-10-16 22:46:12,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fbcc2369/75ef6e3fa3bc47e1974279f688057363/FLAG4c72dbe8a [2021-10-16 22:46:13,330 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:13,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i [2021-10-16 22:46:13,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fbcc2369/75ef6e3fa3bc47e1974279f688057363/FLAG4c72dbe8a [2021-10-16 22:46:13,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fbcc2369/75ef6e3fa3bc47e1974279f688057363 [2021-10-16 22:46:13,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:13,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:13,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:13,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:13,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:13,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e362603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13, skipping insertion in model container [2021-10-16 22:46:13,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:13,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:13,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:13,701 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:13,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:13,770 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:13,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13 WrapperNode [2021-10-16 22:46:13,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:13,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:13,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:13,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:13,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:13,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:13,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:13,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:13,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:13,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:13,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:13,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:13,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (1/1) ... [2021-10-16 22:46:13,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:13,873 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 22:46:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:13,904 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 22:46:13,893 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 22:46:14,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:14,204 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 22:46:14,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:14 BoogieIcfgContainer [2021-10-16 22:46:14,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:14,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:14,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:14,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:14,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:13" (1/3) ... [2021-10-16 22:46:14,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2540062b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:14, skipping insertion in model container [2021-10-16 22:46:14,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:13" (2/3) ... [2021-10-16 22:46:14,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2540062b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:14, skipping insertion in model container [2021-10-16 22:46:14,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:14" (3/3) ... [2021-10-16 22:46:14,214 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2021-10-16 22:46:14,217 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:14,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:14,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 22:46:14,218 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:14,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,260 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,260 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:14,293 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:46:14,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:14,336 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 22:46:14,337 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-16 22:46:14,347 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 90 transitions, 185 flow [2021-10-16 22:46:14,395 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 859 states, 854 states have (on average 1.9168618266978923) internal successors, (1637), 858 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 859 states, 854 states have (on average 1.9168618266978923) internal successors, (1637), 858 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 22:46:14,403 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:14,403 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:14,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:46:14,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:14,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1357051525, now seen corresponding path program 1 times [2021-10-16 22:46:14,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:14,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069489908] [2021-10-16 22:46:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:14,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:14,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:14,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069489908] [2021-10-16 22:46:14,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069489908] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:14,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:14,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:14,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193751280] [2021-10-16 22:46:14,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:14,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:14,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:14,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:14,629 INFO L87 Difference]: Start difference. First operand has 859 states, 854 states have (on average 1.9168618266978923) internal successors, (1637), 858 states have internal predecessors, (1637), 0 states have call successors, (0), 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 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:14,681 INFO L93 Difference]: Finished difference Result 913 states and 1734 transitions. [2021-10-16 22:46:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:14,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-16 22:46:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:14,703 INFO L225 Difference]: With dead ends: 913 [2021-10-16 22:46:14,703 INFO L226 Difference]: Without dead ends: 833 [2021-10-16 22:46:14,704 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:14,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-10-16 22:46:14,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 808. [2021-10-16 22:46:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 803 states have (on average 1.9016189290161893) internal successors, (1527), 807 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1527 transitions. [2021-10-16 22:46:14,769 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1527 transitions. Word has length 33 [2021-10-16 22:46:14,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:14,770 INFO L470 AbstractCegarLoop]: Abstraction has 808 states and 1527 transitions. [2021-10-16 22:46:14,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1527 transitions. [2021-10-16 22:46:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-16 22:46:14,771 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:14,771 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:14,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:14,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:46:14,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:14,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1784260936, now seen corresponding path program 1 times [2021-10-16 22:46:14,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:14,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866203351] [2021-10-16 22:46:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:14,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:14,860 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 22:46:14,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:14,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866203351] [2021-10-16 22:46:14,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866203351] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:14,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:14,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:46:14,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156836185] [2021-10-16 22:46:14,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:14,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:14,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:14,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:14,862 INFO L87 Difference]: Start difference. First operand 808 states and 1527 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:14,888 INFO L93 Difference]: Finished difference Result 732 states and 1366 transitions. [2021-10-16 22:46:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:14,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-16 22:46:14,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:14,891 INFO L225 Difference]: With dead ends: 732 [2021-10-16 22:46:14,891 INFO L226 Difference]: Without dead ends: 732 [2021-10-16 22:46:14,891 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:14,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2021-10-16 22:46:14,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 696. [2021-10-16 22:46:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 694 states have (on average 1.8731988472622478) internal successors, (1300), 695 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1300 transitions. [2021-10-16 22:46:14,911 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1300 transitions. Word has length 39 [2021-10-16 22:46:14,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:14,911 INFO L470 AbstractCegarLoop]: Abstraction has 696 states and 1300 transitions. [2021-10-16 22:46:14,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1300 transitions. [2021-10-16 22:46:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-16 22:46:14,918 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:14,918 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:14,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:14,918 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:46:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash 118333833, now seen corresponding path program 1 times [2021-10-16 22:46:14,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:14,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948646112] [2021-10-16 22:46:14,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:14,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:14,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:14,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948646112] [2021-10-16 22:46:14,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948646112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:14,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:14,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:14,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178578749] [2021-10-16 22:46:14,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:14,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:14,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:14,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:14,994 INFO L87 Difference]: Start difference. First operand 696 states and 1300 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:15,013 INFO L93 Difference]: Finished difference Result 689 states and 1277 transitions. [2021-10-16 22:46:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:15,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-16 22:46:15,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:15,015 INFO L225 Difference]: With dead ends: 689 [2021-10-16 22:46:15,016 INFO L226 Difference]: Without dead ends: 625 [2021-10-16 22:46:15,016 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-10-16 22:46:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2021-10-16 22:46:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 623 states have (on average 1.8459069020866774) internal successors, (1150), 624 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1150 transitions. [2021-10-16 22:46:15,026 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1150 transitions. Word has length 44 [2021-10-16 22:46:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:15,026 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 1150 transitions. [2021-10-16 22:46:15,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1150 transitions. [2021-10-16 22:46:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-16 22:46:15,027 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:15,027 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:15,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:15,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:46:15,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:15,029 INFO L82 PathProgramCache]: Analyzing trace with hash 908649837, now seen corresponding path program 1 times [2021-10-16 22:46:15,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:15,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141725467] [2021-10-16 22:46:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:15,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:15,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:15,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141725467] [2021-10-16 22:46:15,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141725467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:15,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:15,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:15,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686927890] [2021-10-16 22:46:15,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:15,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:15,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:15,071 INFO L87 Difference]: Start difference. First operand 625 states and 1150 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 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 22:46:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:15,087 INFO L93 Difference]: Finished difference Result 618 states and 1127 transitions. [2021-10-16 22:46:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:15,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 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 22:46:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:15,090 INFO L225 Difference]: With dead ends: 618 [2021-10-16 22:46:15,091 INFO L226 Difference]: Without dead ends: 450 [2021-10-16 22:46:15,092 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-10-16 22:46:15,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-10-16 22:46:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 448 states have (on average 1.7857142857142858) internal successors, (800), 449 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 800 transitions. [2021-10-16 22:46:15,099 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 800 transitions. Word has length 46 [2021-10-16 22:46:15,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:15,100 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 800 transitions. [2021-10-16 22:46:15,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 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 22:46:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 800 transitions. [2021-10-16 22:46:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 22:46:15,101 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:15,101 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:15,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:46:15,101 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:46:15,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:15,101 INFO L82 PathProgramCache]: Analyzing trace with hash 222187273, now seen corresponding path program 1 times [2021-10-16 22:46:15,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:15,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455847937] [2021-10-16 22:46:15,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:15,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:15,152 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:46:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:15,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:46:15,198 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:46:15,199 WARN L672 BasicCegarLoop]: Found data race on ~global~0 between C: printf("global: %d\n", global) [937] and C: global++ [913] [2021-10-16 22:46:15,200 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:15,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:15,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:15,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:15,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:15,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:15,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:46:15,208 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:15,208 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:15,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:15 BasicIcfg [2021-10-16 22:46:15,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:15,263 INFO L168 Benchmark]: Toolchain (without parser) took 1909.77 ms. Allocated memory was 189.8 MB in the beginning and 239.1 MB in the end (delta: 49.3 MB). Free memory was 136.6 MB in the beginning and 151.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:15,264 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 189.8 MB. Free memory is still 155.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:15,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.93 ms. Allocated memory was 189.8 MB in the beginning and 239.1 MB in the end (delta: 49.3 MB). Free memory was 136.4 MB in the beginning and 198.0 MB in the end (delta: -61.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:15,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 239.1 MB. Free memory was 198.0 MB in the beginning and 195.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:15,265 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 ms. Allocated memory is still 239.1 MB. Free memory was 195.8 MB in the beginning and 194.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:15,265 INFO L168 Benchmark]: RCFGBuilder took 361.51 ms. Allocated memory is still 239.1 MB. Free memory was 194.4 MB in the beginning and 181.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:15,265 INFO L168 Benchmark]: TraceAbstraction took 1055.11 ms. Allocated memory is still 239.1 MB. Free memory was 181.1 MB in the beginning and 151.5 MB in the end (delta: 29.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:15,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 189.8 MB. Free memory is still 155.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 406.93 ms. Allocated memory was 189.8 MB in the beginning and 239.1 MB in the end (delta: 49.3 MB). Free memory was 136.4 MB in the beginning and 198.0 MB in the end (delta: -61.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 239.1 MB. Free memory was 198.0 MB in the beginning and 195.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.14 ms. Allocated memory is still 239.1 MB. Free memory was 195.8 MB in the beginning and 194.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 361.51 ms. Allocated memory is still 239.1 MB. Free memory was 194.4 MB in the beginning and 181.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1055.11 ms. Allocated memory is still 239.1 MB. Free memory was 181.1 MB in the beginning and 151.5 MB in the end (delta: 29.7 MB). Peak memory consumption was 31.2 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 - CounterExampleResult [Line: 913]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 int global; VAL [global=0] [L911] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [global=0, gm={5:0}] [L920] 0 void (*f)() = good; VAL [={-1:0}, global=0, gm={5:0}] [L921] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L931] 0 pthread_t id; VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L923] 1 void (*g)(); VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L934] 0 f = bad VAL [={-1:2}, fm={6:0}, global=0, gm={5:0}] [L913] 1 global++ VAL [={-1:2}, fm={6:0}, global=1, gm={5:0}] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 917]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 876.9ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.5ms, AutomataDifference: 159.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 58.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 436 SDtfs, 126 SDslu, 274 SDs, 0 SdLazy, 44 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=859occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 91.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 61 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.1ms SsaConstructionTime, 129.6ms SatisfiabilityAnalysisTime, 183.2ms InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 22:46:15,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...