/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_06-ps_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 14:14:27,306 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-01-28 14:14:27,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 14:14:27,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 14:14:27,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 14:14:27,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 14:14:27,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 14:14:27,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 14:14:27,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 14:14:27,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 14:14:27,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 14:14:27,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 14:14:27,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 14:14:27,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 14:14:27,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 14:14:27,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 14:14:27,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 14:14:27,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 14:14:27,397 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 [2022-01-28 14:14:27,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 14:14:27,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 14:14:27,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 14:14:27,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 14:14:27,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 14:14:27,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 14:14:27,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 14:14:27,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 14:14:27,414 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 14:14:27,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 14:14:27,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 14:14:27,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 14:14:27,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 14:14:27,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 14:14:27,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 14:14:27,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 14:14:27,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:14:27,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 14:14:27,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 14:14:27,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 14:14:27,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 14:14:27,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 14:14:27,417 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 14:14:27,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 14:14:27,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-28 14:14:27,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 14:14:27,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 14:14:27,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 14:14:27,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 14:14:27,631 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 14:14:27,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_06-ps_rc.i [2022-01-28 14:14:27,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7742fc51a/fab30fd6088b455eb5a28baaa544809b/FLAG773bed371 [2022-01-28 14:14:28,105 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 14:14:28,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_06-ps_rc.i [2022-01-28 14:14:28,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7742fc51a/fab30fd6088b455eb5a28baaa544809b/FLAG773bed371 [2022-01-28 14:14:28,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7742fc51a/fab30fd6088b455eb5a28baaa544809b [2022-01-28 14:14:28,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 14:14:28,140 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 14:14:28,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 14:14:28,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 14:14:28,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 14:14:28,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64304a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28, skipping insertion in model container [2022-01-28 14:14:28,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 14:14:28,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 14:14:28,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:14:28,598 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 14:14:28,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:14:28,670 INFO L208 MainTranslator]: Completed translation [2022-01-28 14:14:28,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28 WrapperNode [2022-01-28 14:14:28,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 14:14:28,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 14:14:28,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 14:14:28,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 14:14:28,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,724 INFO L137 Inliner]: procedures = 266, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-01-28 14:14:28,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 14:14:28,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 14:14:28,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 14:14:28,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 14:14:28,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 14:14:28,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 14:14:28,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 14:14:28,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 14:14:28,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (1/1) ... [2022-01-28 14:14:28,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:14:28,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:14:28,784 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) [2022-01-28 14:14:28,796 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 [2022-01-28 14:14:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 14:14:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 14:14:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 14:14:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-28 14:14:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 14:14:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-28 14:14:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-28 14:14:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 14:14:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 14:14:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 14:14:28,811 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 14:14:28,929 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 14:14:28,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 14:14:29,105 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 14:14:29,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 14:14:29,109 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 14:14:29,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:14:29 BoogieIcfgContainer [2022-01-28 14:14:29,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 14:14:29,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 14:14:29,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 14:14:29,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 14:14:29,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 02:14:28" (1/3) ... [2022-01-28 14:14:29,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7eae61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:14:29, skipping insertion in model container [2022-01-28 14:14:29,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:28" (2/3) ... [2022-01-28 14:14:29,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7eae61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:14:29, skipping insertion in model container [2022-01-28 14:14:29,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:14:29" (3/3) ... [2022-01-28 14:14:29,118 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_06-ps_rc.i [2022-01-28 14:14:29,121 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 14:14:29,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 14:14:29,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-01-28 14:14:29,122 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 14:14:29,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,148 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,148 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,155 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,155 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,157 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,157 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,159 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,159 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,160 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,160 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,160 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:29,167 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 14:14:29,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 14:14:29,206 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, 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 [2022-01-28 14:14:29,206 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-28 14:14:29,217 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 83 transitions, 171 flow [2022-01-28 14:14:29,261 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 484 states, 476 states have (on average 1.9516806722689075) internal successors, (929), 483 states have internal predecessors, (929), 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) [2022-01-28 14:14:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 484 states, 476 states have (on average 1.9516806722689075) internal successors, (929), 483 states have internal predecessors, (929), 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) [2022-01-28 14:14:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-28 14:14:29,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:29,270 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] [2022-01-28 14:14:29,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:14:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1641404404, now seen corresponding path program 1 times [2022-01-28 14:14:29,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:29,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042629305] [2022-01-28 14:14:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:29,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:29,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:29,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042629305] [2022-01-28 14:14:29,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042629305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:29,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:29,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:29,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129172735] [2022-01-28 14:14:29,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:29,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:29,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:29,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:29,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:29,467 INFO L87 Difference]: Start difference. First operand has 484 states, 476 states have (on average 1.9516806722689075) internal successors, (929), 483 states have internal predecessors, (929), 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 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:29,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:29,537 INFO L93 Difference]: Finished difference Result 570 states and 1094 transitions. [2022-01-28 14:14:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:29,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-01-28 14:14:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:29,558 INFO L225 Difference]: With dead ends: 570 [2022-01-28 14:14:29,558 INFO L226 Difference]: Without dead ends: 570 [2022-01-28 14:14:29,562 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 [2022-01-28 14:14:29,565 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:29,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 180 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:29,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-01-28 14:14:29,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 482. [2022-01-28 14:14:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 475 states have (on average 1.9410526315789474) internal successors, (922), 481 states have internal predecessors, (922), 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) [2022-01-28 14:14:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 922 transitions. [2022-01-28 14:14:29,631 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 922 transitions. Word has length 39 [2022-01-28 14:14:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:29,631 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 922 transitions. [2022-01-28 14:14:29,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 922 transitions. [2022-01-28 14:14:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-28 14:14:29,633 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:29,633 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] [2022-01-28 14:14:29,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 14:14:29,635 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:14:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:29,638 INFO L85 PathProgramCache]: Analyzing trace with hash 163817509, now seen corresponding path program 1 times [2022-01-28 14:14:29,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:29,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800261319] [2022-01-28 14:14:29,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:29,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:29,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:29,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800261319] [2022-01-28 14:14:29,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800261319] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:29,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:29,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:29,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943207114] [2022-01-28 14:14:29,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:29,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:29,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:29,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:29,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:29,728 INFO L87 Difference]: Start difference. First operand 482 states and 922 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:29,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:29,762 INFO L93 Difference]: Finished difference Result 503 states and 948 transitions. [2022-01-28 14:14:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:29,763 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 [2022-01-28 14:14:29,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:29,764 INFO L225 Difference]: With dead ends: 503 [2022-01-28 14:14:29,764 INFO L226 Difference]: Without dead ends: 383 [2022-01-28 14:14:29,767 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 [2022-01-28 14:14:29,768 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 31 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:29,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 173 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:29,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-01-28 14:14:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 369. [2022-01-28 14:14:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 363 states have (on average 1.8236914600550964) internal successors, (662), 368 states have internal predecessors, (662), 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) [2022-01-28 14:14:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 662 transitions. [2022-01-28 14:14:29,781 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 662 transitions. Word has length 44 [2022-01-28 14:14:29,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:29,782 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 662 transitions. [2022-01-28 14:14:29,782 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) [2022-01-28 14:14:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 662 transitions. [2022-01-28 14:14:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-28 14:14:29,786 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:29,786 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] [2022-01-28 14:14:29,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 14:14:29,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:14:29,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:29,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2144798248, now seen corresponding path program 1 times [2022-01-28 14:14:29,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:29,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583073961] [2022-01-28 14:14:29,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:29,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:29,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:29,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583073961] [2022-01-28 14:14:29,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583073961] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:29,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:29,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 14:14:29,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321167760] [2022-01-28 14:14:29,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:29,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:29,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:29,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:29,846 INFO L87 Difference]: Start difference. First operand 369 states and 662 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:29,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:29,863 INFO L93 Difference]: Finished difference Result 429 states and 746 transitions. [2022-01-28 14:14:29,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:29,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-28 14:14:29,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:29,866 INFO L225 Difference]: With dead ends: 429 [2022-01-28 14:14:29,866 INFO L226 Difference]: Without dead ends: 397 [2022-01-28 14:14:29,866 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 [2022-01-28 14:14:29,870 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 23 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:29,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 170 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:29,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-01-28 14:14:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 369. [2022-01-28 14:14:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 363 states have (on average 1.7796143250688705) internal successors, (646), 368 states have internal predecessors, (646), 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) [2022-01-28 14:14:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 646 transitions. [2022-01-28 14:14:29,877 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 646 transitions. Word has length 47 [2022-01-28 14:14:29,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:29,877 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 646 transitions. [2022-01-28 14:14:29,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 646 transitions. [2022-01-28 14:14:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-28 14:14:29,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:29,878 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] [2022-01-28 14:14:29,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 14:14:29,879 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:14:29,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:29,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1743137408, now seen corresponding path program 1 times [2022-01-28 14:14:29,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:29,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666627007] [2022-01-28 14:14:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:29,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:29,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:29,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666627007] [2022-01-28 14:14:29,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666627007] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:29,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:29,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:29,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246629968] [2022-01-28 14:14:29,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:29,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:29,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:29,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:29,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:29,937 INFO L87 Difference]: Start difference. First operand 369 states and 646 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-01-28 14:14:29,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:29,962 INFO L93 Difference]: Finished difference Result 371 states and 639 transitions. [2022-01-28 14:14:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:29,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-01-28 14:14:29,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:29,963 INFO L225 Difference]: With dead ends: 371 [2022-01-28 14:14:29,963 INFO L226 Difference]: Without dead ends: 281 [2022-01-28 14:14:29,963 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 [2022-01-28 14:14:29,964 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 17 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:29,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 153 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:29,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-01-28 14:14:29,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-01-28 14:14:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 277 states have (on average 1.6425992779783394) internal successors, (455), 280 states have internal predecessors, (455), 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) [2022-01-28 14:14:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 455 transitions. [2022-01-28 14:14:29,969 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 455 transitions. Word has length 49 [2022-01-28 14:14:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:29,969 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 455 transitions. [2022-01-28 14:14:29,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-01-28 14:14:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 455 transitions. [2022-01-28 14:14:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-28 14:14:29,971 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:29,971 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] [2022-01-28 14:14:29,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 14:14:29,971 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:14:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:29,971 INFO L85 PathProgramCache]: Analyzing trace with hash -911164554, now seen corresponding path program 1 times [2022-01-28 14:14:29,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:29,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116112448] [2022-01-28 14:14:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:29,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:14:29,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 14:14:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:14:30,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 14:14:30,011 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 14:14:30,011 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-01-28 14:14:30,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-01-28 14:14:30,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-01-28 14:14:30,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-01-28 14:14:30,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-01-28 14:14:30,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-01-28 14:14:30,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-01-28 14:14:30,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 14:14:30,015 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-28 14:14:30,019 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 14:14:30,019 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 14:14:30,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 02:14:30 BasicIcfg [2022-01-28 14:14:30,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 14:14:30,052 INFO L158 Benchmark]: Toolchain (without parser) took 1912.49ms. Allocated memory was 164.6MB in the beginning and 273.7MB in the end (delta: 109.1MB). Free memory was 106.5MB in the beginning and 130.1MB in the end (delta: -23.7MB). Peak memory consumption was 85.0MB. Max. memory is 8.0GB. [2022-01-28 14:14:30,053 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 164.6MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:14:30,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.33ms. Allocated memory was 164.6MB in the beginning and 273.7MB in the end (delta: 109.1MB). Free memory was 106.3MB in the beginning and 230.3MB in the end (delta: -123.9MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-01-28 14:14:30,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.96ms. Allocated memory is still 273.7MB. Free memory was 230.3MB in the beginning and 227.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-28 14:14:30,053 INFO L158 Benchmark]: Boogie Preprocessor took 21.43ms. Allocated memory is still 273.7MB. Free memory was 227.1MB in the beginning and 226.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 14:14:30,054 INFO L158 Benchmark]: RCFGBuilder took 363.60ms. Allocated memory is still 273.7MB. Free memory was 226.1MB in the beginning and 213.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-28 14:14:30,054 INFO L158 Benchmark]: TraceAbstraction took 937.74ms. Allocated memory is still 273.7MB. Free memory was 212.5MB in the beginning and 130.1MB in the end (delta: 82.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2022-01-28 14:14:30,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 164.6MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 526.33ms. Allocated memory was 164.6MB in the beginning and 273.7MB in the end (delta: 109.1MB). Free memory was 106.3MB in the beginning and 230.3MB in the end (delta: -123.9MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.96ms. Allocated memory is still 273.7MB. Free memory was 230.3MB in the beginning and 227.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.43ms. Allocated memory is still 273.7MB. Free memory was 227.1MB in the beginning and 226.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 363.60ms. Allocated memory is still 273.7MB. Free memory was 226.1MB in the beginning and 213.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 937.74ms. Allocated memory is still 273.7MB. Free memory was 212.5MB in the beginning and 130.1MB in the end (delta: 82.3MB). Peak memory consumption was 81.8MB. 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 - DataRaceFoundResult [Line: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L930] 0 pthread_mutex_t n = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}, n={5:0}] [L938] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, glob=0, i=1, m={4:0}, n={5:0}] [L939] 0 pthread_t id; VAL [glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L940] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={4:0}, n={5:0}] [L942] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, m={4:0}, n={5:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}] Now there is a data race on ~glob~0 between C: glob++ [933] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 100 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, 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, 113 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 676 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 275 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 404 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-28 14:14:30,116 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...