/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/04-mutex_45-escape_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:06:37,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:06:37,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:06:37,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:06:37,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:06:37,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:06:37,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:06:37,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:06:37,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:06:37,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:06:37,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:06:37,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:06:37,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:06:37,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:06:37,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:06:37,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:06:37,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:06:37,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:06:37,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:06:37,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:06:37,975 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 23:06:38,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:06:38,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:06:38,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:06:38,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:06:38,001 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:06:38,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:06:38,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:06:38,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:06:38,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:06:38,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:06:38,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:06:38,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:06:38,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:38,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:06:38,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:06:38,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:06:38,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:06:38,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:06:38,005 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:06:38,005 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:06:38,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:06:38,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:06:38,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:06:38,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:06:38,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:06:38,210 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:06:38,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_45-escape_rc.i [2021-10-16 23:06:38,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8f24417/5434eb0dc8964446ab660e75dfffe2c4/FLAGa187a9072 [2021-10-16 23:06:38,630 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:06:38,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_45-escape_rc.i [2021-10-16 23:06:38,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8f24417/5434eb0dc8964446ab660e75dfffe2c4/FLAGa187a9072 [2021-10-16 23:06:39,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8f24417/5434eb0dc8964446ab660e75dfffe2c4 [2021-10-16 23:06:39,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:06:39,019 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:06:39,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:39,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:06:39,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:06:39,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63411108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39, skipping insertion in model container [2021-10-16 23:06:39,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:06:39,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:06:39,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:39,398 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:06:39,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:39,480 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:06:39,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39 WrapperNode [2021-10-16 23:06:39,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:39,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:39,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:06:39,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:06:39,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:39,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:06:39,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:06:39,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:06:39,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:06:39,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:06:39,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:06:39,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:06:39,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (1/1) ... [2021-10-16 23:06:39,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:06:39,564 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 23:06:39,575 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 23:06:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:06:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:06:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:06:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:06:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:06:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:06:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:06:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:06:39,590 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 23:06:39,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:06:39,878 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 23:06:39,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:39 BoogieIcfgContainer [2021-10-16 23:06:39,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:06:39,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:06:39,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:06:39,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:06:39,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:06:39" (1/3) ... [2021-10-16 23:06:39,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36cec54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:39, skipping insertion in model container [2021-10-16 23:06:39,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:39" (2/3) ... [2021-10-16 23:06:39,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36cec54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:39, skipping insertion in model container [2021-10-16 23:06:39,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:39" (3/3) ... [2021-10-16 23:06:39,894 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2021-10-16 23:06:39,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:06:39,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 23:06:39,897 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:06:39,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,940 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,940 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:39,964 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 23:06:40,002 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:06:40,006 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 23:06:40,007 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 23:06:40,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 90 transitions, 188 flow [2021-10-16 23:06:40,062 INFO L129 PetriNetUnfolder]: 0/89 cut-off events. [2021-10-16 23:06:40,062 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:06:40,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 0/89 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-16 23:06:40,064 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 90 transitions, 188 flow [2021-10-16 23:06:40,068 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 79 transitions, 161 flow [2021-10-16 23:06:40,092 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-10-16 23:06:40,092 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:06:40,092 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:40,093 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] [2021-10-16 23:06:40,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:40,096 INFO L82 PathProgramCache]: Analyzing trace with hash -884676387, now seen corresponding path program 1 times [2021-10-16 23:06:40,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:40,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618332271] [2021-10-16 23:06:40,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:40,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:40,401 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 23:06:40,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:40,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618332271] [2021-10-16 23:06:40,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618332271] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:40,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:40,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:06:40,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261940454] [2021-10-16 23:06:40,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:06:40,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:40,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:06:40,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:06:40,421 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 90 [2021-10-16 23:06:40,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 161 flow. Second operand has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:40,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:40,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 90 [2021-10-16 23:06:40,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:40,758 INFO L129 PetriNetUnfolder]: 274/829 cut-off events. [2021-10-16 23:06:40,758 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:06:40,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1417 conditions, 829 events. 274/829 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4467 event pairs, 128 based on Foata normal form. 0/784 useless extension candidates. Maximal degree in co-relation 1388. Up to 485 conditions per place. [2021-10-16 23:06:40,767 INFO L132 encePairwiseOnDemand]: 71/90 looper letters, 37 selfloop transitions, 54 changer transitions 0/140 dead transitions. [2021-10-16 23:06:40,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 140 transitions, 465 flow [2021-10-16 23:06:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:06:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:06:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 452 transitions. [2021-10-16 23:06:40,785 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2021-10-16 23:06:40,786 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 452 transitions. [2021-10-16 23:06:40,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 452 transitions. [2021-10-16 23:06:40,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:40,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 452 transitions. [2021-10-16 23:06:40,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:40,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:40,798 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:40,799 INFO L186 Difference]: Start difference. First operand has 83 places, 79 transitions, 161 flow. Second operand 6 states and 452 transitions. [2021-10-16 23:06:40,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 140 transitions, 465 flow [2021-10-16 23:06:40,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 140 transitions, 464 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:06:40,806 INFO L242 Difference]: Finished difference. Result has 92 places, 132 transitions, 518 flow [2021-10-16 23:06:40,807 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=518, PETRI_PLACES=92, PETRI_TRANSITIONS=132} [2021-10-16 23:06:40,807 INFO L334 CegarLoopForPetriNet]: 83 programPoint places, 9 predicate places. [2021-10-16 23:06:40,808 INFO L470 AbstractCegarLoop]: Abstraction has has 92 places, 132 transitions, 518 flow [2021-10-16 23:06:40,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:40,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:40,808 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] [2021-10-16 23:06:40,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:06:40,808 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:40,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:40,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1858856318, now seen corresponding path program 1 times [2021-10-16 23:06:40,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:40,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184017613] [2021-10-16 23:06:40,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:40,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:40,915 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 23:06:40,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:40,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184017613] [2021-10-16 23:06:40,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184017613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:40,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:40,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:06:40,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942747119] [2021-10-16 23:06:40,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:06:40,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:40,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:06:40,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:06:40,919 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 90 [2021-10-16 23:06:40,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 132 transitions, 518 flow. Second operand has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:40,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:40,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 90 [2021-10-16 23:06:40,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:41,090 INFO L129 PetriNetUnfolder]: 318/942 cut-off events. [2021-10-16 23:06:41,091 INFO L130 PetriNetUnfolder]: For 266/269 co-relation queries the response was YES. [2021-10-16 23:06:41,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 942 events. 318/942 cut-off events. For 266/269 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 5380 event pairs, 82 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 2241. Up to 560 conditions per place. [2021-10-16 23:06:41,097 INFO L132 encePairwiseOnDemand]: 75/90 looper letters, 82 selfloop transitions, 45 changer transitions 8/184 dead transitions. [2021-10-16 23:06:41,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 184 transitions, 988 flow [2021-10-16 23:06:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:06:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:06:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 419 transitions. [2021-10-16 23:06:41,098 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7759259259259259 [2021-10-16 23:06:41,098 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 419 transitions. [2021-10-16 23:06:41,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 419 transitions. [2021-10-16 23:06:41,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:41,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 419 transitions. [2021-10-16 23:06:41,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:41,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:41,102 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:41,102 INFO L186 Difference]: Start difference. First operand has 92 places, 132 transitions, 518 flow. Second operand 6 states and 419 transitions. [2021-10-16 23:06:41,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 184 transitions, 988 flow [2021-10-16 23:06:41,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 184 transitions, 988 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-16 23:06:41,116 INFO L242 Difference]: Finished difference. Result has 102 places, 172 transitions, 876 flow [2021-10-16 23:06:41,116 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=876, PETRI_PLACES=102, PETRI_TRANSITIONS=172} [2021-10-16 23:06:41,117 INFO L334 CegarLoopForPetriNet]: 83 programPoint places, 19 predicate places. [2021-10-16 23:06:41,118 INFO L470 AbstractCegarLoop]: Abstraction has has 102 places, 172 transitions, 876 flow [2021-10-16 23:06:41,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:41,118 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:41,118 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] [2021-10-16 23:06:41,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:06:41,119 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:41,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:41,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1010031821, now seen corresponding path program 1 times [2021-10-16 23:06:41,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:41,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128456340] [2021-10-16 23:06:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:41,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:41,148 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:06:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:41,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:06:41,180 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:06:41,180 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:41,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:41,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:06:41,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:41,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:06:41,187 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:06:41,187 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:06:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:06:41 BasicIcfg [2021-10-16 23:06:41,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:06:41,225 INFO L168 Benchmark]: Toolchain (without parser) took 2205.09 ms. Allocated memory was 176.2 MB in the beginning and 212.9 MB in the end (delta: 36.7 MB). Free memory was 122.8 MB in the beginning and 117.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:41,225 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 176.2 MB. Free memory was 140.6 MB in the beginning and 140.5 MB in the end (delta: 74.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:06:41,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.93 ms. Allocated memory was 176.2 MB in the beginning and 212.9 MB in the end (delta: 36.7 MB). Free memory was 122.6 MB in the beginning and 173.1 MB in the end (delta: -50.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:41,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 212.9 MB. Free memory was 173.1 MB in the beginning and 171.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:41,226 INFO L168 Benchmark]: Boogie Preprocessor took 16.27 ms. Allocated memory is still 212.9 MB. Free memory was 171.1 MB in the beginning and 169.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:41,226 INFO L168 Benchmark]: RCFGBuilder took 348.23 ms. Allocated memory is still 212.9 MB. Free memory was 169.5 MB in the beginning and 155.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:41,227 INFO L168 Benchmark]: TraceAbstraction took 1343.53 ms. Allocated memory is still 212.9 MB. Free memory was 155.3 MB in the beginning and 117.4 MB in the end (delta: 38.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:41,229 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 176.2 MB. Free memory was 140.6 MB in the beginning and 140.5 MB in the end (delta: 74.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 459.93 ms. Allocated memory was 176.2 MB in the beginning and 212.9 MB in the end (delta: 36.7 MB). Free memory was 122.6 MB in the beginning and 173.1 MB in the end (delta: -50.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 212.9 MB. Free memory was 173.1 MB in the beginning and 171.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.27 ms. Allocated memory is still 212.9 MB. Free memory was 171.1 MB in the beginning and 169.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 348.23 ms. Allocated memory is still 212.9 MB. Free memory was 169.5 MB in the beginning and 155.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1343.53 ms. Allocated memory is still 212.9 MB. Free memory was 155.3 MB in the beginning and 117.4 MB in the end (delta: 38.0 MB). Peak memory consumption was 39.0 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: 915]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={6:0}] [L911] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={6:0}, mutex2={7:0}] [L920] 0 pthread_t id; VAL [mutex1={6:0}, mutex2={7:0}] [L921] 0 int i; VAL [mutex1={6:0}, mutex2={7:0}] [L922] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={5:0}, mutex1={6:0}, mutex2={7:0}] [L913] 1 int *p = (int *) arg; VAL [arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L915] EXPR 1 \read(*p) VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L924] 0 \read(i) VAL [(*p)++=27, \read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L915] 1 (*p)++ VAL [(*p)++=27, (*p)++=25, (*p)++=-3, \read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L915] 1 (*p)++ VAL [(*p)++=27, (*p)++=25, (*p)++=-3, \read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 24.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1186.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 591.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 61.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 53 SDtfs, 21 SDslu, 0 SDs, 0 SdLazy, 334 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 212.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 59.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred 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: 17.8ms SsaConstructionTime, 87.8ms SatisfiabilityAnalysisTime, 248.1ms InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 23:06:41,264 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...