/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/03-practical_15-exit_problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:41:39,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:41:39,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:41:39,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:41:39,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:41:39,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:41:39,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:41:39,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:41:39,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:41:39,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:41:39,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:41:39,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:41:39,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:41:39,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:41:39,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:41:39,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:41:39,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 23:41:39,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 23:41:39,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 23:41:39,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 23:41:39,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 23:41:39,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-10 23:41:39,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:41:39,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:41:39,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:41:39,299 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 [2022-02-10 23:41:39,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:41:39,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:41:39,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:41:39,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:41:39,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:41:39,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:41:39,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:41:39,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:41:39,325 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:41:39,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:41:39,325 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:41:39,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:41:39,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:41:39,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:41:39,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:41:39,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:41:39,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:41:39,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:41:39,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:41:39,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:41:39,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:41:39,519 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:41:39,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-02-10 23:41:39,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8b3c262/a6fa111088c046bda5394a8bab4e264b/FLAG4ad216d57 [2022-02-10 23:41:39,991 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:41:39,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-02-10 23:41:40,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8b3c262/a6fa111088c046bda5394a8bab4e264b/FLAG4ad216d57 [2022-02-10 23:41:40,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8b3c262/a6fa111088c046bda5394a8bab4e264b [2022-02-10 23:41:40,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:41:40,034 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:41:40,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:41:40,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:41:40,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:41:40,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73506b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40, skipping insertion in model container [2022-02-10 23:41:40,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:41:40,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:41:40,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:41:40,446 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:41:40,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:41:40,540 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:41:40,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40 WrapperNode [2022-02-10 23:41:40,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:41:40,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:41:40,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:41:40,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:41:40,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,594 INFO L137 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-02-10 23:41:40,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:41:40,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:41:40,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:41:40,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:41:40,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:41:40,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:41:40,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:41:40,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:41:40,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (1/1) ... [2022-02-10 23:41:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:41:40,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:41:40,667 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) [2022-02-10 23:41:40,668 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 [2022-02-10 23:41:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:41:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:41:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:41:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:41:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:41:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:41:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:41:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:41:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:41:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:41:40,694 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:41:40,827 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:41:40,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:41:41,016 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:41:41,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:41:41,021 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 23:41:41,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:41:41 BoogieIcfgContainer [2022-02-10 23:41:41,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:41:41,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:41:41,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:41:41,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:41:41,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:41:40" (1/3) ... [2022-02-10 23:41:41,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2689a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:41:41, skipping insertion in model container [2022-02-10 23:41:41,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:41:40" (2/3) ... [2022-02-10 23:41:41,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2689a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:41:41, skipping insertion in model container [2022-02-10 23:41:41,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:41:41" (3/3) ... [2022-02-10 23:41:41,029 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-02-10 23:41:41,033 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:41:41,033 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:41:41,033 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-10 23:41:41,033 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:41:41,072 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,073 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,074 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,074 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,074 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,074 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,078 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,078 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,078 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,079 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,079 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,079 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,079 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,080 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,080 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,081 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,081 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,081 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,081 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,081 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,081 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,082 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,082 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,083 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,083 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,083 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,086 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,086 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,086 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,086 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,086 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,086 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,087 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:41:41,089 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 23:41:41,124 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:41:41,129 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 [2022-02-10 23:41:41,129 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-10 23:41:41,136 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 171 flow [2022-02-10 23:41:41,184 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-02-10 23:41:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-02-10 23:41:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-10 23:41:41,192 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:41:41,193 INFO L515 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] [2022-02-10 23:41:41,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:41:41,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:41:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash -956776958, now seen corresponding path program 1 times [2022-02-10 23:41:41,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:41:41,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27301103] [2022-02-10 23:41:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:41:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:41:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:41:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:41:41,401 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:41:41,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27301103] [2022-02-10 23:41:41,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27301103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:41:41,402 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:41:41,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:41:41,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876726452] [2022-02-10 23:41:41,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:41:41,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:41:41,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:41:41,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:41:41,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:41:41,436 INFO L87 Difference]: Start difference. First operand has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:41:41,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:41:41,509 INFO L93 Difference]: Finished difference Result 469 states and 860 transitions. [2022-02-10 23:41:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:41:41,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-10 23:41:41,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:41:41,527 INFO L225 Difference]: With dead ends: 469 [2022-02-10 23:41:41,528 INFO L226 Difference]: Without dead ends: 445 [2022-02-10 23:41:41,529 INFO L933 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 [2022-02-10 23:41:41,532 INFO L934 BasicCegarLoop]: 85 mSDtfsCounter, 32 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 138 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 [2022-02-10 23:41:41,534 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 138 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:41:41,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-02-10 23:41:41,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 389. [2022-02-10 23:41:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 382 states have (on average 1.8534031413612566) internal successors, (708), 388 states have internal predecessors, (708), 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) [2022-02-10 23:41:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 708 transitions. [2022-02-10 23:41:41,593 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 708 transitions. Word has length 33 [2022-02-10 23:41:41,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:41:41,593 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 708 transitions. [2022-02-10 23:41:41,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:41:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 708 transitions. [2022-02-10 23:41:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-10 23:41:41,594 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:41:41,595 INFO L515 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] [2022-02-10 23:41:41,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:41:41,595 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:41:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:41:41,596 INFO L85 PathProgramCache]: Analyzing trace with hash 474430293, now seen corresponding path program 1 times [2022-02-10 23:41:41,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:41:41,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430013363] [2022-02-10 23:41:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:41:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:41:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:41:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:41:41,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:41:41,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430013363] [2022-02-10 23:41:41,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430013363] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:41:41,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:41:41,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:41:41,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974861366] [2022-02-10 23:41:41,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:41:41,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:41:41,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:41:41,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:41:41,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:41:41,664 INFO L87 Difference]: Start difference. First operand 389 states and 708 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-02-10 23:41:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:41:41,694 INFO L93 Difference]: Finished difference Result 401 states and 725 transitions. [2022-02-10 23:41:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:41:41,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2022-02-10 23:41:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:41:41,695 INFO L225 Difference]: With dead ends: 401 [2022-02-10 23:41:41,695 INFO L226 Difference]: Without dead ends: 361 [2022-02-10 23:41:41,696 INFO L933 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 [2022-02-10 23:41:41,697 INFO L934 BasicCegarLoop]: 80 mSDtfsCounter, 21 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 131 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 [2022-02-10 23:41:41,697 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 131 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:41:41,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-02-10 23:41:41,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 347. [2022-02-10 23:41:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 341 states have (on average 1.81524926686217) internal successors, (619), 346 states have internal predecessors, (619), 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) [2022-02-10 23:41:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 619 transitions. [2022-02-10 23:41:41,706 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 619 transitions. Word has length 38 [2022-02-10 23:41:41,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:41:41,707 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 619 transitions. [2022-02-10 23:41:41,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-02-10 23:41:41,707 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 619 transitions. [2022-02-10 23:41:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-10 23:41:41,729 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:41:41,729 INFO L515 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] [2022-02-10 23:41:41,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:41:41,730 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:41:41,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:41:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash -46032434, now seen corresponding path program 1 times [2022-02-10 23:41:41,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:41:41,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355238249] [2022-02-10 23:41:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:41:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:41:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:41:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:41:41,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:41:41,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355238249] [2022-02-10 23:41:41,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355238249] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:41:41,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:41:41,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:41:41,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690199153] [2022-02-10 23:41:41,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:41:41,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:41:41,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:41:41,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:41:41,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:41:41,779 INFO L87 Difference]: Start difference. First operand 347 states and 619 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) [2022-02-10 23:41:41,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:41:41,800 INFO L93 Difference]: Finished difference Result 349 states and 612 transitions. [2022-02-10 23:41:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:41:41,800 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 [2022-02-10 23:41:41,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:41:41,801 INFO L225 Difference]: With dead ends: 349 [2022-02-10 23:41:41,802 INFO L226 Difference]: Without dead ends: 253 [2022-02-10 23:41:41,802 INFO L933 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 [2022-02-10 23:41:41,803 INFO L934 BasicCegarLoop]: 76 mSDtfsCounter, 17 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 125 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 [2022-02-10 23:41:41,803 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 125 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:41:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-02-10 23:41:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-02-10 23:41:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.6706827309236947) internal successors, (416), 252 states have internal predecessors, (416), 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) [2022-02-10 23:41:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 416 transitions. [2022-02-10 23:41:41,809 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 416 transitions. Word has length 44 [2022-02-10 23:41:41,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:41:41,809 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 416 transitions. [2022-02-10 23:41:41,809 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) [2022-02-10 23:41:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 416 transitions. [2022-02-10 23:41:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-10 23:41:41,811 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:41:41,811 INFO L515 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] [2022-02-10 23:41:41,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:41:41,811 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:41:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:41:41,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1044667063, now seen corresponding path program 1 times [2022-02-10 23:41:41,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:41:41,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952756310] [2022-02-10 23:41:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:41:41,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:41:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:41:41,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:41:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:41:41,859 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:41:41,860 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:41:41,860 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-10 23:41:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-10 23:41:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-10 23:41:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-02-10 23:41:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-02-10 23:41:41,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-10 23:41:41,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-10 23:41:41,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-10 23:41:41,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:41:41,865 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-10 23:41:41,869 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:41:41,869 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:41:41,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:41:41 BasicIcfg [2022-02-10 23:41:41,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:41:41,895 INFO L158 Benchmark]: Toolchain (without parser) took 1860.34ms. Allocated memory was 194.0MB in the beginning and 253.8MB in the end (delta: 59.8MB). Free memory was 141.8MB in the beginning and 206.3MB in the end (delta: -64.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:41:41,895 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 194.0MB. Free memory was 160.0MB in the beginning and 159.9MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:41:41,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.71ms. Allocated memory is still 194.0MB. Free memory was 141.6MB in the beginning and 152.3MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 23:41:41,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.37ms. Allocated memory is still 194.0MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:41:41,896 INFO L158 Benchmark]: Boogie Preprocessor took 19.95ms. Allocated memory is still 194.0MB. Free memory was 150.2MB in the beginning and 148.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:41:41,896 INFO L158 Benchmark]: RCFGBuilder took 406.60ms. Allocated memory is still 194.0MB. Free memory was 148.7MB in the beginning and 136.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 23:41:41,897 INFO L158 Benchmark]: TraceAbstraction took 870.31ms. Allocated memory was 194.0MB in the beginning and 253.8MB in the end (delta: 59.8MB). Free memory was 136.1MB in the beginning and 206.3MB in the end (delta: -70.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:41:41,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 194.0MB. Free memory was 160.0MB in the beginning and 159.9MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 503.71ms. Allocated memory is still 194.0MB. Free memory was 141.6MB in the beginning and 152.3MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.37ms. Allocated memory is still 194.0MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.95ms. Allocated memory is still 194.0MB. Free memory was 150.2MB in the beginning and 148.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 406.60ms. Allocated memory is still 194.0MB. Free memory was 148.7MB in the beginning and 136.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 870.31ms. Allocated memory was 194.0MB in the beginning and 253.8MB in the end (delta: 59.8MB). Free memory was 136.1MB in the beginning and 206.3MB in the end (delta: -70.2MB). There was no memory consumed. 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: 929]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; VAL [glob=0] [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [bad={2:0}, glob=0, mutex={1:0}] [L934] 0 pthread_t id; VAL [bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, mutex={1:0}] [L936] COND TRUE 0 1 VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, id={3:0}, mutex={1:0}] [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [923] and C: glob++ [929] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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: 929]: 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, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 70 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 241 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 70 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-02-10 23:41:41,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...