/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-PN-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/13-privatized_03-priv_inv.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:07:20,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:07:20,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:07:20,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:07:20,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:07:20,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:07:20,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:07:20,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:07:20,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:07:20,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:07:20,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:07:20,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:07:20,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:07:20,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:07:20,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:07:20,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:07:20,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:07:20,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:07:20,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:07:20,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:07:20,923 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-PN-NoLbe.epf [2021-10-16 23:07:20,943 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:07:20,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:07:20,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:07:20,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:07:20,945 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:07:20,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:07:20,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:07:20,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:07:20,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:07:20,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:07:20,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:07:20,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:07:20,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:07:20,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:20,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:07:20,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:07:20,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:07:20,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:07:20,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:07:20,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:07:20,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:07:21,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:07:21,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:07:21,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:07:21,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:07:21,170 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:07:21,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i [2021-10-16 23:07:21,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028e9ad81/643d8d759141459a8b6e8d44f50231f9/FLAG04be95336 [2021-10-16 23:07:21,619 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:07:21,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i [2021-10-16 23:07:21,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028e9ad81/643d8d759141459a8b6e8d44f50231f9/FLAG04be95336 [2021-10-16 23:07:21,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028e9ad81/643d8d759141459a8b6e8d44f50231f9 [2021-10-16 23:07:21,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:07:21,638 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:07:21,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:21,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:07:21,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:07:21,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569da831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21, skipping insertion in model container [2021-10-16 23:07:21,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:07:21,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:07:21,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:21,941 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:07:21,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:21,992 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:07:21,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21 WrapperNode [2021-10-16 23:07:21,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:21,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:21,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:07:21,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:07:21,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:22,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:07:22,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:07:22,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:07:22,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:07:22,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:07:22,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:07:22,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:07:22,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:22,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:22,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:07:22,101 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 23:07:22,119 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 23:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:07:22,132 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 23:07:22,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:07:22,375 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 23:07:22,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:22 BoogieIcfgContainer [2021-10-16 23:07:22,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:07:22,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:07:22,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:07:22,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:07:22,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:07:21" (1/3) ... [2021-10-16 23:07:22,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c4a62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:22, skipping insertion in model container [2021-10-16 23:07:22,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (2/3) ... [2021-10-16 23:07:22,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c4a62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:22, skipping insertion in model container [2021-10-16 23:07:22,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:22" (3/3) ... [2021-10-16 23:07:22,381 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2021-10-16 23:07:22,385 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:07:22,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 23:07:22,385 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:07:22,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:22,440 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 23:07:22,470 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:07:22,473 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=false, mConcurrency=PETRI_NET, 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 23:07:22,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-16 23:07:22,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 112 transitions, 232 flow [2021-10-16 23:07:22,525 INFO L129 PetriNetUnfolder]: 3/111 cut-off events. [2021-10-16 23:07:22,525 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:07:22,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 111 events. 3/111 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2021-10-16 23:07:22,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 112 transitions, 232 flow [2021-10-16 23:07:22,531 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 103 transitions, 209 flow [2021-10-16 23:07:22,542 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2021-10-16 23:07:22,542 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:22,542 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,543 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:22,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-16 23:07:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,547 INFO L82 PathProgramCache]: Analyzing trace with hash -314075079, now seen corresponding path program 1 times [2021-10-16 23:07:22,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408588752] [2021-10-16 23:07:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:22,771 INFO 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 23:07:22,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:22,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408588752] [2021-10-16 23:07:22,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408588752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:22,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:22,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:07:22,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378985054] [2021-10-16 23:07:22,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:22,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:22,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:22,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:22,793 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 112 [2021-10-16 23:07:22,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 103 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:22,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 112 [2021-10-16 23:07:22,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:22,901 INFO L129 PetriNetUnfolder]: 45/274 cut-off events. [2021-10-16 23:07:22,901 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:22,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 274 events. 45/274 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1007 event pairs, 26 based on Foata normal form. 4/244 useless extension candidates. Maximal degree in co-relation 321. Up to 82 conditions per place. [2021-10-16 23:07:22,905 INFO L132 encePairwiseOnDemand]: 104/112 looper letters, 16 selfloop transitions, 5 changer transitions 2/105 dead transitions. [2021-10-16 23:07:22,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 105 transitions, 255 flow [2021-10-16 23:07:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2021-10-16 23:07:22,918 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9196428571428571 [2021-10-16 23:07:22,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2021-10-16 23:07:22,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2021-10-16 23:07:22,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2021-10-16 23:07:22,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,934 INFO L186 Difference]: Start difference. First operand has 104 places, 103 transitions, 209 flow. Second operand 3 states and 309 transitions. [2021-10-16 23:07:22,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 105 transitions, 255 flow [2021-10-16 23:07:22,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 105 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:07:22,940 INFO L242 Difference]: Finished difference. Result has 105 places, 101 transitions, 234 flow [2021-10-16 23:07:22,944 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=105, PETRI_TRANSITIONS=101} [2021-10-16 23:07:22,945 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 1 predicate places. [2021-10-16 23:07:22,945 INFO L470 AbstractCegarLoop]: Abstraction has has 105 places, 101 transitions, 234 flow [2021-10-16 23:07:22,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,949 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,949 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:22,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:07:22,949 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-16 23:07:22,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,950 INFO L82 PathProgramCache]: Analyzing trace with hash -683622825, now seen corresponding path program 1 times [2021-10-16 23:07:22,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916232931] [2021-10-16 23:07:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:23,040 INFO 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 23:07:23,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:23,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916232931] [2021-10-16 23:07:23,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916232931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:23,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:23,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 23:07:23,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090489690] [2021-10-16 23:07:23,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:23,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:23,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:23,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:23,044 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 112 [2021-10-16 23:07:23,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 101 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:23,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 112 [2021-10-16 23:07:23,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:23,080 INFO L129 PetriNetUnfolder]: 16/257 cut-off events. [2021-10-16 23:07:23,081 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-10-16 23:07:23,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 257 events. 16/257 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1102 event pairs, 7 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 292. Up to 24 conditions per place. [2021-10-16 23:07:23,083 INFO L132 encePairwiseOnDemand]: 105/112 looper letters, 7 selfloop transitions, 5 changer transitions 1/105 dead transitions. [2021-10-16 23:07:23,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 105 transitions, 268 flow [2021-10-16 23:07:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2021-10-16 23:07:23,085 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9375 [2021-10-16 23:07:23,085 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2021-10-16 23:07:23,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2021-10-16 23:07:23,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:23,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2021-10-16 23:07:23,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,088 INFO L186 Difference]: Start difference. First operand has 105 places, 101 transitions, 234 flow. Second operand 3 states and 315 transitions. [2021-10-16 23:07:23,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 105 transitions, 268 flow [2021-10-16 23:07:23,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 105 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:07:23,092 INFO L242 Difference]: Finished difference. Result has 105 places, 104 transitions, 260 flow [2021-10-16 23:07:23,093 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=105, PETRI_TRANSITIONS=104} [2021-10-16 23:07:23,093 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 1 predicate places. [2021-10-16 23:07:23,093 INFO L470 AbstractCegarLoop]: Abstraction has has 105 places, 104 transitions, 260 flow [2021-10-16 23:07:23,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,094 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:23,094 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:23,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:07:23,094 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-16 23:07:23,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:23,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1457857821, now seen corresponding path program 1 times [2021-10-16 23:07:23,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:23,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620648014] [2021-10-16 23:07:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:23,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:23,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:23,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620648014] [2021-10-16 23:07:23,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620648014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:23,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:23,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 23:07:23,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696535493] [2021-10-16 23:07:23,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:23,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:23,166 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 112 [2021-10-16 23:07:23,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 104 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:23,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 112 [2021-10-16 23:07:23,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:23,188 INFO L129 PetriNetUnfolder]: 1/115 cut-off events. [2021-10-16 23:07:23,188 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-10-16 23:07:23,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 115 events. 1/115 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 1 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 95. Up to 11 conditions per place. [2021-10-16 23:07:23,189 INFO L132 encePairwiseOnDemand]: 108/112 looper letters, 6 selfloop transitions, 3 changer transitions 11/86 dead transitions. [2021-10-16 23:07:23,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 86 transitions, 218 flow [2021-10-16 23:07:23,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2021-10-16 23:07:23,190 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9196428571428571 [2021-10-16 23:07:23,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2021-10-16 23:07:23,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2021-10-16 23:07:23,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:23,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2021-10-16 23:07:23,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,192 INFO L186 Difference]: Start difference. First operand has 105 places, 104 transitions, 260 flow. Second operand 3 states and 309 transitions. [2021-10-16 23:07:23,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 86 transitions, 218 flow [2021-10-16 23:07:23,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 86 transitions, 194 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:23,196 INFO L242 Difference]: Finished difference. Result has 91 places, 75 transitions, 158 flow [2021-10-16 23:07:23,197 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2021-10-16 23:07:23,197 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, -13 predicate places. [2021-10-16 23:07:23,197 INFO L470 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 158 flow [2021-10-16 23:07:23,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:23,197 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:23,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:07:23,198 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-16 23:07:23,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:23,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1985535882, now seen corresponding path program 1 times [2021-10-16 23:07:23,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:23,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437973798] [2021-10-16 23:07:23,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:23,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:23,245 INFO 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 23:07:23,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:23,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437973798] [2021-10-16 23:07:23,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437973798] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:23,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:23,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:07:23,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933091238] [2021-10-16 23:07:23,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:23,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:23,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:23,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:23,253 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 112 [2021-10-16 23:07:23,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 75 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:23,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 112 [2021-10-16 23:07:23,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:23,266 INFO L129 PetriNetUnfolder]: 0/88 cut-off events. [2021-10-16 23:07:23,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:23,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 88 events. 0/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 2/90 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-10-16 23:07:23,266 INFO L132 encePairwiseOnDemand]: 110/112 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2021-10-16 23:07:23,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 172 flow [2021-10-16 23:07:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2021-10-16 23:07:23,268 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-10-16 23:07:23,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2021-10-16 23:07:23,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2021-10-16 23:07:23,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:23,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2021-10-16 23:07:23,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,270 INFO L186 Difference]: Start difference. First operand has 91 places, 75 transitions, 158 flow. Second operand 3 states and 294 transitions. [2021-10-16 23:07:23,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 172 flow [2021-10-16 23:07:23,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 74 transitions, 169 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:07:23,271 INFO L242 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2021-10-16 23:07:23,272 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2021-10-16 23:07:23,272 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, -24 predicate places. [2021-10-16 23:07:23,272 INFO L470 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2021-10-16 23:07:23,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:07:23,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:07:23,280 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:07:23,280 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:07:23,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:07:23 BasicIcfg [2021-10-16 23:07:23,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:07:23,284 INFO L168 Benchmark]: Toolchain (without parser) took 1645.57 ms. Allocated memory is still 191.9 MB. Free memory was 140.5 MB in the beginning and 102.1 MB in the end (delta: 38.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,285 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 191.9 MB. Free memory is still 158.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:07:23,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.55 ms. Allocated memory is still 191.9 MB. Free memory was 140.3 MB in the beginning and 159.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.89 ms. Allocated memory is still 191.9 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,286 INFO L168 Benchmark]: Boogie Preprocessor took 29.85 ms. Allocated memory is still 191.9 MB. Free memory was 157.3 MB in the beginning and 155.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,288 INFO L168 Benchmark]: RCFGBuilder took 298.86 ms. Allocated memory is still 191.9 MB. Free memory was 155.6 MB in the beginning and 142.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,288 INFO L168 Benchmark]: TraceAbstraction took 905.92 ms. Allocated memory is still 191.9 MB. Free memory was 142.0 MB in the beginning and 102.1 MB in the end (delta: 39.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 191.9 MB. Free memory is still 158.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 351.55 ms. Allocated memory is still 191.9 MB. Free memory was 140.3 MB in the beginning and 159.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 52.89 ms. Allocated memory is still 191.9 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.85 ms. Allocated memory is still 191.9 MB. Free memory was 157.3 MB in the beginning and 155.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 298.86 ms. Allocated memory is still 191.9 MB. Free memory was 155.6 MB in the beginning and 142.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 905.92 ms. Allocated memory is still 191.9 MB. Free memory was 142.0 MB in the beginning and 102.1 MB in the end (delta: 39.9 MB). Peak memory consumption was 41.3 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: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 131 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 813.1ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 264.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 57.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 5 SDslu, 0 SDs, 0 SdLazy, 44 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=2, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.1ms SsaConstructionTime, 99.8ms SatisfiabilityAnalysisTime, 207.7ms InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 23:07:23,328 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...