/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:48:02,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:48:02,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:48:02,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:48:02,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 16:48:02,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 16:48:02,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 16:48:02,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 16:48:02,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 16:48:02,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 16:48:02,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 16:48:02,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 16:48:02,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 16:48:02,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 16:48:02,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 16:48:02,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 16:48:02,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 16:48:02,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:48:02,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:48:02,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:48:02,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:48:02,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:48:02,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:48:02,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:48:02,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:48:02,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:48:02,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:48:02,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:48:02,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:48:02,448 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:48:02,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:48:02,449 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:48:02,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:48:02,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:48:02,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:48:02,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:48:02,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:48:02,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:48:02,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:48:02,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:48:02,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:48:02,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:48:02,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:48:02,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:48:02,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:48:02,672 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:48:02,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2022-03-01 16:48:02,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274e6fa1b/d22ae872a65b4058b4967edbcfa6d92e/FLAGd86d8d91a [2022-03-01 16:48:03,135 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:48:03,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2022-03-01 16:48:03,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274e6fa1b/d22ae872a65b4058b4967edbcfa6d92e/FLAGd86d8d91a [2022-03-01 16:48:03,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274e6fa1b/d22ae872a65b4058b4967edbcfa6d92e [2022-03-01 16:48:03,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:48:03,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:48:03,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:48:03,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:48:03,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:48:03,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cfb1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03, skipping insertion in model container [2022-03-01 16:48:03,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:48:03,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:48:03,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:48:03,544 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:48:03,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:48:03,602 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:48:03,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03 WrapperNode [2022-03-01 16:48:03,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:48:03,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:48:03,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:48:03,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:48:03,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,660 INFO L137 Inliner]: procedures = 263, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-03-01 16:48:03,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:48:03,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:48:03,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:48:03,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:48:03,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:48:03,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:48:03,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:48:03,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:48:03,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (1/1) ... [2022-03-01 16:48:03,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:48:03,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:03,728 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) [2022-03-01 16:48:03,730 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 [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:48:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:48:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:48:03,758 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:48:03,854 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:48:03,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:48:04,022 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:48:04,028 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:48:04,028 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 16:48:04,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:48:04 BoogieIcfgContainer [2022-03-01 16:48:04,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:48:04,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:48:04,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:48:04,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:48:04,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:48:03" (1/3) ... [2022-03-01 16:48:04,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c857a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:48:04, skipping insertion in model container [2022-03-01 16:48:04,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:03" (2/3) ... [2022-03-01 16:48:04,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c857a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:48:04, skipping insertion in model container [2022-03-01 16:48:04,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:48:04" (3/3) ... [2022-03-01 16:48:04,040 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2022-03-01 16:48:04,044 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:48:04,044 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:48:04,044 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-01 16:48:04,044 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:48:04,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:04,084 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 16:48:04,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:48:04,133 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:48:04,133 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-01 16:48:04,145 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 95 transitions, 198 flow [2022-03-01 16:48:04,199 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 562 states, 551 states have (on average 1.8802177858439202) internal successors, (1036), 561 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 562 states, 551 states have (on average 1.8802177858439202) internal successors, (1036), 561 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 16:48:04,208 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:04,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:04,209 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:48:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:04,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2072604064, now seen corresponding path program 1 times [2022-03-01 16:48:04,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:04,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603027086] [2022-03-01 16:48:04,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:04,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:04,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603027086] [2022-03-01 16:48:04,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603027086] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:04,361 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:04,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:48:04,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505447807] [2022-03-01 16:48:04,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:04,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:04,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:04,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:04,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:04,391 INFO L87 Difference]: Start difference. First operand has 562 states, 551 states have (on average 1.8802177858439202) internal successors, (1036), 561 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:04,471 INFO L93 Difference]: Finished difference Result 683 states and 1247 transitions. [2022-03-01 16:48:04,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:04,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-01 16:48:04,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:04,490 INFO L225 Difference]: With dead ends: 683 [2022-03-01 16:48:04,491 INFO L226 Difference]: Without dead ends: 683 [2022-03-01 16:48:04,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:04,495 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 40 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:04,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 166 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:04,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2022-03-01 16:48:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 527. [2022-03-01 16:48:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 520 states have (on average 1.8557692307692308) internal successors, (965), 526 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 965 transitions. [2022-03-01 16:48:04,587 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 965 transitions. Word has length 44 [2022-03-01 16:48:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:04,588 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 965 transitions. [2022-03-01 16:48:04,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 965 transitions. [2022-03-01 16:48:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-01 16:48:04,589 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:04,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:04,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:48:04,589 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:48:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1754335011, now seen corresponding path program 1 times [2022-03-01 16:48:04,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:04,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614627736] [2022-03-01 16:48:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:04,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:04,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614627736] [2022-03-01 16:48:04,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614627736] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:04,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:04,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:48:04,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296775721] [2022-03-01 16:48:04,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:04,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:04,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:04,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:04,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:04,655 INFO L87 Difference]: Start difference. First operand 527 states and 965 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:04,682 INFO L93 Difference]: Finished difference Result 564 states and 1036 transitions. [2022-03-01 16:48:04,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:04,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-03-01 16:48:04,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:04,687 INFO L225 Difference]: With dead ends: 564 [2022-03-01 16:48:04,687 INFO L226 Difference]: Without dead ends: 555 [2022-03-01 16:48:04,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:04,688 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 31 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:04,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 180 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:04,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-03-01 16:48:04,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 531. [2022-03-01 16:48:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 526 states have (on average 1.8479087452471483) internal successors, (972), 530 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 972 transitions. [2022-03-01 16:48:04,705 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 972 transitions. Word has length 48 [2022-03-01 16:48:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:04,706 INFO L470 AbstractCegarLoop]: Abstraction has 531 states and 972 transitions. [2022-03-01 16:48:04,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 972 transitions. [2022-03-01 16:48:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-01 16:48:04,707 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:04,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:04,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:48:04,707 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:48:04,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1417432200, now seen corresponding path program 1 times [2022-03-01 16:48:04,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:04,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553628696] [2022-03-01 16:48:04,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:04,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:04,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:04,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553628696] [2022-03-01 16:48:04,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553628696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:04,756 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:04,756 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:48:04,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287364672] [2022-03-01 16:48:04,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:04,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:04,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:04,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:04,758 INFO L87 Difference]: Start difference. First operand 531 states and 972 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:04,778 INFO L93 Difference]: Finished difference Result 288 states and 456 transitions. [2022-03-01 16:48:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:04,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-03-01 16:48:04,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:04,779 INFO L225 Difference]: With dead ends: 288 [2022-03-01 16:48:04,779 INFO L226 Difference]: Without dead ends: 288 [2022-03-01 16:48:04,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:04,780 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:04,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 131 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:04,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-03-01 16:48:04,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-03-01 16:48:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.588850174216028) internal successors, (456), 287 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 456 transitions. [2022-03-01 16:48:04,786 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 456 transitions. Word has length 54 [2022-03-01 16:48:04,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:04,786 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 456 transitions. [2022-03-01 16:48:04,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 456 transitions. [2022-03-01 16:48:04,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-01 16:48:04,788 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:04,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:04,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:48:04,788 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:48:04,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:04,789 INFO L85 PathProgramCache]: Analyzing trace with hash -548926374, now seen corresponding path program 1 times [2022-03-01 16:48:04,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:04,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712966443] [2022-03-01 16:48:04,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:04,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:04,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:04,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712966443] [2022-03-01 16:48:04,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712966443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:04,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:04,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:48:04,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051185038] [2022-03-01 16:48:04,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:04,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:48:04,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:04,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:48:04,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:04,953 INFO L87 Difference]: Start difference. First operand 288 states and 456 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:04,969 INFO L93 Difference]: Finished difference Result 274 states and 429 transitions. [2022-03-01 16:48:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:48:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-03-01 16:48:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:04,970 INFO L225 Difference]: With dead ends: 274 [2022-03-01 16:48:04,970 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 16:48:04,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:04,971 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 52 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:04,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 251 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 16:48:04,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 16:48:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 16:48:04,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2022-03-01 16:48:04,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:04,972 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 16:48:04,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 16:48:04,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 16:48:04,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-01 16:48:04,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-01 16:48:04,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-01 16:48:04,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-03-01 16:48:04,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-03-01 16:48:04,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-01 16:48:04,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-01 16:48:04,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-01 16:48:04,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:48:04,978 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-01 16:48:04,981 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:48:04,981 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:48:04,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:48:04 BasicIcfg [2022-03-01 16:48:04,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:48:04,983 INFO L158 Benchmark]: Toolchain (without parser) took 1822.96ms. Allocated memory was 199.2MB in the beginning and 281.0MB in the end (delta: 81.8MB). Free memory was 143.8MB in the beginning and 198.8MB in the end (delta: -55.0MB). Peak memory consumption was 28.1MB. Max. memory is 8.0GB. [2022-03-01 16:48:04,984 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 199.2MB. Free memory was 162.1MB in the beginning and 162.0MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:48:04,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.36ms. Allocated memory was 199.2MB in the beginning and 281.0MB in the end (delta: 81.8MB). Free memory was 143.6MB in the beginning and 236.4MB in the end (delta: -92.8MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-03-01 16:48:04,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.87ms. Allocated memory is still 281.0MB. Free memory was 236.4MB in the beginning and 233.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:48:04,985 INFO L158 Benchmark]: Boogie Preprocessor took 35.46ms. Allocated memory is still 281.0MB. Free memory was 233.9MB in the beginning and 232.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:48:04,985 INFO L158 Benchmark]: RCFGBuilder took 330.59ms. Allocated memory is still 281.0MB. Free memory was 232.4MB in the beginning and 219.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 16:48:04,985 INFO L158 Benchmark]: TraceAbstraction took 952.27ms. Allocated memory is still 281.0MB. Free memory was 218.9MB in the beginning and 198.8MB in the end (delta: 20.1MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2022-03-01 16:48:04,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 199.2MB. Free memory was 162.1MB in the beginning and 162.0MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.36ms. Allocated memory was 199.2MB in the beginning and 281.0MB in the end (delta: 81.8MB). Free memory was 143.6MB in the beginning and 236.4MB in the end (delta: -92.8MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.87ms. Allocated memory is still 281.0MB. Free memory was 236.4MB in the beginning and 233.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.46ms. Allocated memory is still 281.0MB. Free memory was 233.9MB in the beginning and 232.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 330.59ms. Allocated memory is still 281.0MB. Free memory was 232.4MB in the beginning and 219.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 952.27ms. Allocated memory is still 281.0MB. Free memory was 218.9MB in the beginning and 198.8MB in the end (delta: 20.1MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 113 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 311 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 420 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=562occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 180 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 16:48:05,043 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...