/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_19-call_by_ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:42:06,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:06,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:06,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 23:42:06,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 23:42:06,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 23:42:06,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 23:42:06,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 23:42:06,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 23:42:06,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 23:42:06,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 23:42:06,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 23:42:06,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:42:06,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:42:06,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:42:06,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:42:06,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:42:06,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:42:06,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:42:06,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:42:06,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:42:06,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:42:06,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:42:06,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:42:06,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 23:42:06,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:06,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:06,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:06,972 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 23:42:06,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:06,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:06,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:06,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:06,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:06,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:06,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:06,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:06,997 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:06,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:06,998 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:06,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:06,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:07,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:07,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:07,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:07,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:07,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:07,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:07,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:07,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:07,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:07,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:07,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:07,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:07,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:07,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:07,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:07,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:07,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:07,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:07,197 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:07,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-02-10 23:42:07,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aabed28fa/f4b8ad8978374f62bf2b2db743b4ed8e/FLAGd4f6b37e5 [2022-02-10 23:42:07,587 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:07,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-02-10 23:42:07,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aabed28fa/f4b8ad8978374f62bf2b2db743b4ed8e/FLAGd4f6b37e5 [2022-02-10 23:42:07,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aabed28fa/f4b8ad8978374f62bf2b2db743b4ed8e [2022-02-10 23:42:08,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:42:08,003 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:42:08,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:08,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:42:08,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:42:08,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:07" (1/1) ... [2022-02-10 23:42:08,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0bc5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08, skipping insertion in model container [2022-02-10 23:42:08,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:07" (1/1) ... [2022-02-10 23:42:08,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:42:08,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:42:08,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:08,429 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:42:08,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:08,495 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:42:08,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08 WrapperNode [2022-02-10 23:42:08,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:08,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:08,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:42:08,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:42:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,547 INFO L137 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-02-10 23:42:08,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:08,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:42:08,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:42:08,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:42:08,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:42:08,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:42:08,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:42:08,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:42:08,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (1/1) ... [2022-02-10 23:42:08,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:08,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:08,613 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 23:42:08,627 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 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:42:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:42:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:42:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:42:08,647 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 23:42:08,739 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:42:08,740 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:42:08,867 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:42:08,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:42:08,872 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 23:42:08,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:08 BoogieIcfgContainer [2022-02-10 23:42:08,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:42:08,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:42:08,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:42:08,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:42:08,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:42:07" (1/3) ... [2022-02-10 23:42:08,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edab65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:08, skipping insertion in model container [2022-02-10 23:42:08,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:08" (2/3) ... [2022-02-10 23:42:08,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edab65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:08, skipping insertion in model container [2022-02-10 23:42:08,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:08" (3/3) ... [2022-02-10 23:42:08,878 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2022-02-10 23:42:08,881 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:42:08,881 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:42:08,882 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-10 23:42:08,882 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:42:08,907 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,908 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,908 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,908 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,908 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,908 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,908 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,909 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,909 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,909 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,909 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,910 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,912 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,912 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,912 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,912 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,913 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,913 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,913 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,913 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,913 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,913 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,914 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,914 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,914 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,914 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,917 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,917 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,917 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,917 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,917 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,918 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:08,921 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 23:42:08,959 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:42:08,963 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 23:42:08,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-10 23:42:08,977 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 107 transitions, 222 flow [2022-02-10 23:42:09,029 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 871 states, 860 states have (on average 1.9686046511627906) internal successors, (1693), 870 states have internal predecessors, (1693), 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 23:42:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 871 states, 860 states have (on average 1.9686046511627906) internal successors, (1693), 870 states have internal predecessors, (1693), 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 23:42:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-10 23:42:09,045 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:09,045 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 23:42:09,046 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 23:42:09,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:09,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1400574992, now seen corresponding path program 1 times [2022-02-10 23:42:09,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:09,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951210544] [2022-02-10 23:42:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:09,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:09,281 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 23:42:09,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:09,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951210544] [2022-02-10 23:42:09,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951210544] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:09,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:09,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:09,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308253953] [2022-02-10 23:42:09,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:09,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:09,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:09,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:09,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:09,326 INFO L87 Difference]: Start difference. First operand has 871 states, 860 states have (on average 1.9686046511627906) internal successors, (1693), 870 states have internal predecessors, (1693), 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 23:42:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:09,431 INFO L93 Difference]: Finished difference Result 1047 states and 2025 transitions. [2022-02-10 23:42:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:09,433 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 23:42:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:09,462 INFO L225 Difference]: With dead ends: 1047 [2022-02-10 23:42:09,462 INFO L226 Difference]: Without dead ends: 1047 [2022-02-10 23:42:09,463 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 23:42:09,465 INFO L934 BasicCegarLoop]: 149 mSDtfsCounter, 63 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:09,466 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 233 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:42:09,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2022-02-10 23:42:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 903. [2022-02-10 23:42:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 893 states have (on average 1.9451287793952967) internal successors, (1737), 902 states have internal predecessors, (1737), 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 23:42:09,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1737 transitions. [2022-02-10 23:42:09,536 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1737 transitions. Word has length 33 [2022-02-10 23:42:09,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:09,537 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 1737 transitions. [2022-02-10 23:42:09,537 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 23:42:09,537 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1737 transitions. [2022-02-10 23:42:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:42:09,538 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:09,538 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] [2022-02-10 23:42:09,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:42:09,538 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 23:42:09,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash 959353363, now seen corresponding path program 1 times [2022-02-10 23:42:09,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:09,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907220359] [2022-02-10 23:42:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:09,581 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 23:42:09,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:09,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907220359] [2022-02-10 23:42:09,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907220359] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:09,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:09,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:09,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12635906] [2022-02-10 23:42:09,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:09,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:09,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:09,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:09,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:09,583 INFO L87 Difference]: Start difference. First operand 903 states and 1737 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 23:42:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:09,612 INFO L93 Difference]: Finished difference Result 982 states and 1896 transitions. [2022-02-10 23:42:09,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:09,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2022-02-10 23:42:09,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:09,623 INFO L225 Difference]: With dead ends: 982 [2022-02-10 23:42:09,623 INFO L226 Difference]: Without dead ends: 973 [2022-02-10 23:42:09,624 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 23:42:09,625 INFO L934 BasicCegarLoop]: 144 mSDtfsCounter, 53 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 226 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 23:42:09,625 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 226 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:09,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2022-02-10 23:42:09,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 929. [2022-02-10 23:42:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 920 states have (on average 1.9445652173913044) internal successors, (1789), 928 states have internal predecessors, (1789), 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 23:42:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1789 transitions. [2022-02-10 23:42:09,653 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1789 transitions. Word has length 37 [2022-02-10 23:42:09,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:09,653 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1789 transitions. [2022-02-10 23:42:09,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 23:42:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1789 transitions. [2022-02-10 23:42:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-10 23:42:09,656 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:09,656 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] [2022-02-10 23:42:09,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:42:09,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:42:09,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:09,657 INFO L85 PathProgramCache]: Analyzing trace with hash -572929362, now seen corresponding path program 1 times [2022-02-10 23:42:09,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:09,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110169937] [2022-02-10 23:42:09,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:09,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:09,746 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 23:42:09,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:09,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110169937] [2022-02-10 23:42:09,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110169937] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:09,747 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:09,747 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:42:09,747 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511892795] [2022-02-10 23:42:09,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:09,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:09,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:09,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:09,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:09,748 INFO L87 Difference]: Start difference. First operand 929 states and 1789 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 23:42:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:09,765 INFO L93 Difference]: Finished difference Result 1502 states and 2912 transitions. [2022-02-10 23:42:09,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:09,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2022-02-10 23:42:09,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:09,770 INFO L225 Difference]: With dead ends: 1502 [2022-02-10 23:42:09,770 INFO L226 Difference]: Without dead ends: 1502 [2022-02-10 23:42:09,771 INFO L933 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 [2022-02-10 23:42:09,771 INFO L934 BasicCegarLoop]: 107 mSDtfsCounter, 51 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:09,772 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 197 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-02-10 23:42:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 943. [2022-02-10 23:42:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 934 states have (on average 1.9443254817987152) internal successors, (1816), 942 states have internal predecessors, (1816), 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 23:42:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1816 transitions. [2022-02-10 23:42:09,792 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1816 transitions. Word has length 43 [2022-02-10 23:42:09,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:09,792 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1816 transitions. [2022-02-10 23:42:09,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 23:42:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1816 transitions. [2022-02-10 23:42:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-10 23:42:09,798 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:09,798 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, 1, 1] [2022-02-10 23:42:09,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:42:09,798 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:42:09,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:09,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1079248566, now seen corresponding path program 1 times [2022-02-10 23:42:09,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:09,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906306918] [2022-02-10 23:42:09,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:09,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:09,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:09,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906306918] [2022-02-10 23:42:09,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906306918] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:42:09,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968819541] [2022-02-10 23:42:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:42:09,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:09,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:42:09,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 23:42:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:09,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 23:42:09,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:42:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:10,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:42:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:10,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968819541] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:42:10,114 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:42:10,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 23:42:10,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276261663] [2022-02-10 23:42:10,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:42:10,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:42:10,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:10,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:42:10,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:42:10,115 INFO L87 Difference]: Start difference. First operand 943 states and 1816 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 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 23:42:10,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:10,169 INFO L93 Difference]: Finished difference Result 2193 states and 4268 transitions. [2022-02-10 23:42:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:42:10,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 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 50 [2022-02-10 23:42:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:10,177 INFO L225 Difference]: With dead ends: 2193 [2022-02-10 23:42:10,177 INFO L226 Difference]: Without dead ends: 2193 [2022-02-10 23:42:10,177 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:42:10,178 INFO L934 BasicCegarLoop]: 121 mSDtfsCounter, 462 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:10,178 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 519 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:10,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2022-02-10 23:42:10,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2145. [2022-02-10 23:42:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2136 states have (on average 1.9775280898876404) internal successors, (4224), 2144 states have internal predecessors, (4224), 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 23:42:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 4224 transitions. [2022-02-10 23:42:10,218 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 4224 transitions. Word has length 50 [2022-02-10 23:42:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:10,218 INFO L470 AbstractCegarLoop]: Abstraction has 2145 states and 4224 transitions. [2022-02-10 23:42:10,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 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 23:42:10,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 4224 transitions. [2022-02-10 23:42:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-10 23:42:10,220 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:10,220 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, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:10,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-10 23:42:10,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:42:10,437 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:42:10,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:10,438 INFO L85 PathProgramCache]: Analyzing trace with hash 784528596, now seen corresponding path program 1 times [2022-02-10 23:42:10,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:10,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478778456] [2022-02-10 23:42:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:10,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:10,482 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 23:42:10,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:10,482 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478778456] [2022-02-10 23:42:10,482 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478778456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:10,482 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:10,482 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:10,482 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543984884] [2022-02-10 23:42:10,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:10,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:10,483 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:10,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:10,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:10,484 INFO L87 Difference]: Start difference. First operand 2145 states and 4224 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:10,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:10,510 INFO L93 Difference]: Finished difference Result 2191 states and 4294 transitions. [2022-02-10 23:42:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:10,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-02-10 23:42:10,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:10,517 INFO L225 Difference]: With dead ends: 2191 [2022-02-10 23:42:10,518 INFO L226 Difference]: Without dead ends: 2191 [2022-02-10 23:42:10,518 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 23:42:10,521 INFO L934 BasicCegarLoop]: 105 mSDtfsCounter, 14 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:10,521 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 186 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2022-02-10 23:42:10,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2161. [2022-02-10 23:42:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 2154 states have (on average 1.9670380687093778) internal successors, (4237), 2160 states have internal predecessors, (4237), 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 23:42:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 4237 transitions. [2022-02-10 23:42:10,558 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 4237 transitions. Word has length 54 [2022-02-10 23:42:10,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:10,559 INFO L470 AbstractCegarLoop]: Abstraction has 2161 states and 4237 transitions. [2022-02-10 23:42:10,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 4237 transitions. [2022-02-10 23:42:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-10 23:42:10,561 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:10,562 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:10,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 23:42:10,562 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 23:42:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:10,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2055049076, now seen corresponding path program 1 times [2022-02-10 23:42:10,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:10,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713677061] [2022-02-10 23:42:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:10,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:10,596 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:42:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:10,630 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:42:10,630 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:42:10,634 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-10 23:42:10,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-10 23:42:10,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-10 23:42:10,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-02-10 23:42:10,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-02-10 23:42:10,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-10 23:42:10,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-10 23:42:10,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-10 23:42:10,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 23:42:10,639 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-10 23:42:10,643 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:42:10,643 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:42:10,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:42:10 BasicIcfg [2022-02-10 23:42:10,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:42:10,690 INFO L158 Benchmark]: Toolchain (without parser) took 2687.04ms. Allocated memory is still 208.7MB. Free memory was 159.6MB in the beginning and 80.2MB in the end (delta: 79.4MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2022-02-10 23:42:10,691 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:42:10,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.18ms. Allocated memory is still 208.7MB. Free memory was 159.4MB in the beginning and 179.0MB in the end (delta: -19.6MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-02-10 23:42:10,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.96ms. Allocated memory is still 208.7MB. Free memory was 179.0MB in the beginning and 176.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:42:10,691 INFO L158 Benchmark]: Boogie Preprocessor took 36.22ms. Allocated memory is still 208.7MB. Free memory was 176.9MB in the beginning and 175.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:42:10,691 INFO L158 Benchmark]: RCFGBuilder took 287.82ms. Allocated memory is still 208.7MB. Free memory was 175.4MB in the beginning and 161.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 23:42:10,692 INFO L158 Benchmark]: TraceAbstraction took 1816.17ms. Allocated memory is still 208.7MB. Free memory was 161.2MB in the beginning and 80.2MB in the end (delta: 81.0MB). Peak memory consumption was 81.5MB. Max. memory is 8.0GB. [2022-02-10 23:42:10,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.18ms. Allocated memory is still 208.7MB. Free memory was 159.4MB in the beginning and 179.0MB in the end (delta: -19.6MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.96ms. Allocated memory is still 208.7MB. Free memory was 179.0MB in the beginning and 176.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.22ms. Allocated memory is still 208.7MB. Free memory was 176.9MB in the beginning and 175.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 287.82ms. Allocated memory is still 208.7MB. Free memory was 175.4MB in the beginning and 161.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1816.17ms. Allocated memory is still 208.7MB. Free memory was 161.2MB in the beginning and 80.2MB in the end (delta: 81.0MB). Peak memory consumption was 81.5MB. 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: 691]: Data race detected Data race detected The following path leads to a data race: [L686] 0 int glob; VAL [glob=0] [L687] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}] [L688] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}, mutex2={2:0}] [L702] 0 pthread_t id; VAL [glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L703] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, mutex1={1:0}, mutex2={2:0}] [L704] CALL 0 foo(bar) [L681] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, glob=glob+1=25, i=0, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, glob=glob+1=25, i=0, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, glob=glob+1=25, i=0, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~glob~0 between C: glob+1 [697] and C: glob=glob+1 [691] - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: 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: 691]: 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, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 643 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 643 mSDsluCounter, 1361 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 741 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 626 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2161occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 825 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 2 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 0/3 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 23:42:10,768 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...