/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 12:48:05,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 12:48:05,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 12:48:05,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 12:48:05,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 12:48:05,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 12:48:05,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 12:48:05,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 12:48:05,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 12:48:05,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 12:48:05,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 12:48:05,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 12:48:05,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 12:48:05,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 12:48:05,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 12:48:05,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 12:48:05,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 12:48:05,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 12:48:05,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 12:48:05,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 12:48:05,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 12:48:05,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 12:48:05,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 12:48:05,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 12:48:05,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 12:48:05,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 12:48:05,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 12:48:05,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 12:48:05,243 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-10 12:48:05,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 12:48:05,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 12:48:05,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 12:48:05,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 12:48:05,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 12:48:05,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 12:48:05,266 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 12:48:05,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 12:48:05,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 12:48:05,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 12:48:05,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 12:48:05,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 12:48:05,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 12:48:05,268 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 12:48:05,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 12:48:05,269 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 12:48:05,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 12:48:05,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 12:48:05,269 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 12:48:05,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 12:48:05,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 12:48:05,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 12:48:05,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 12:48:05,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 12:48:05,558 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 12:48:05,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-07-10 12:48:05,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719ca71bc/05960a2d7b8d45f981f2fdbef8034baf/FLAG60db829c1 [2021-07-10 12:48:06,118 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 12:48:06,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-07-10 12:48:06,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719ca71bc/05960a2d7b8d45f981f2fdbef8034baf/FLAG60db829c1 [2021-07-10 12:48:06,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719ca71bc/05960a2d7b8d45f981f2fdbef8034baf [2021-07-10 12:48:06,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 12:48:06,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 12:48:06,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 12:48:06,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 12:48:06,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 12:48:06,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 12:48:06" (1/1) ... [2021-07-10 12:48:06,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f11038f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:06, skipping insertion in model container [2021-07-10 12:48:06,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 12:48:06" (1/1) ... [2021-07-10 12:48:06,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 12:48:06,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 12:48:07,189 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-07-10 12:48:07,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 12:48:07,214 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 12:48:07,246 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-07-10 12:48:07,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 12:48:07,319 INFO L208 MainTranslator]: Completed translation [2021-07-10 12:48:07,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07 WrapperNode [2021-07-10 12:48:07,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 12:48:07,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 12:48:07,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 12:48:07,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 12:48:07,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 12:48:07,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 12:48:07,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 12:48:07,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 12:48:07,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... [2021-07-10 12:48:07,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 12:48:07,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 12:48:07,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 12:48:07,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 12:48:07,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 12:48:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 12:48:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 12:48:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 12:48:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 12:48:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 12:48:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 12:48:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 12:48:07,453 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 12:48:07,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 12:48:07,939 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-10 12:48:07,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 12:48:07 BoogieIcfgContainer [2021-07-10 12:48:07,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 12:48:07,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 12:48:07,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 12:48:07,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 12:48:07,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 12:48:06" (1/3) ... [2021-07-10 12:48:07,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cedd0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 12:48:07, skipping insertion in model container [2021-07-10 12:48:07,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:48:07" (2/3) ... [2021-07-10 12:48:07,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cedd0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 12:48:07, skipping insertion in model container [2021-07-10 12:48:07,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 12:48:07" (3/3) ... [2021-07-10 12:48:07,946 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2021-07-10 12:48:07,951 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 12:48:07,952 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 12:48:07,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-10 12:48:07,952 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 12:48:07,978 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,978 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,979 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,980 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,980 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,980 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,980 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,981 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,981 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,983 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,983 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:48:07,989 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-10 12:48:08,023 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 12:48:08,075 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 12:48:08,075 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 12:48:08,075 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 12:48:08,075 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 12:48:08,075 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 12:48:08,075 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 12:48:08,076 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 12:48:08,076 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 12:48:08,098 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:48:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:48:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1156883515, now seen corresponding path program 1 times [2021-07-10 12:48:08,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:48:08,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370961288] [2021-07-10 12:48:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:48:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:48:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:48:08,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:48:08,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370961288] [2021-07-10 12:48:08,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370961288] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 12:48:08,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 12:48:08,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 12:48:08,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115456365] [2021-07-10 12:48:08,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 12:48:08,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:48:08,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 12:48:08,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 12:48:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:48:08,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:48:08,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 12:48:08,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:48:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 12:48:08,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 12:48:08,513 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:48:08,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:48:08,514 INFO L82 PathProgramCache]: Analyzing trace with hash -30596394, now seen corresponding path program 1 times [2021-07-10 12:48:08,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:48:08,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124677859] [2021-07-10 12:48:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:48:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:48:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:48:08,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:48:08,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124677859] [2021-07-10 12:48:08,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124677859] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 12:48:08,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 12:48:08,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 12:48:08,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927136558] [2021-07-10 12:48:08,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 12:48:08,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:48:08,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 12:48:08,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 12:48:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:48:08,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:48:08,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 12:48:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 12:48:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:48:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 12:48:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:48:08,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 12:48:08,602 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:48:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:48:08,603 INFO L82 PathProgramCache]: Analyzing trace with hash -948485494, now seen corresponding path program 1 times [2021-07-10 12:48:08,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:48:08,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917110670] [2021-07-10 12:48:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:48:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 12:48:08,640 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 12:48:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 12:48:08,656 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 12:48:08,672 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-10 12:48:08,672 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-10 12:48:08,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 12:48:08,679 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 12:48:08,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 12:48:08 BasicIcfg [2021-07-10 12:48:08,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 12:48:08,700 INFO L168 Benchmark]: Toolchain (without parser) took 2109.86 ms. Allocated memory is still 212.9 MB. Free memory was 174.3 MB in the beginning and 122.1 MB in the end (delta: 52.2 MB). Peak memory consumption was 53.7 MB. Max. memory is 8.0 GB. [2021-07-10 12:48:08,700 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 212.9 MB. Free memory was 194.3 MB in the beginning and 194.2 MB in the end (delta: 86.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 12:48:08,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.29 ms. Allocated memory is still 212.9 MB. Free memory was 174.0 MB in the beginning and 154.6 MB in the end (delta: 19.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 8.0 GB. [2021-07-10 12:48:08,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.45 ms. Allocated memory is still 212.9 MB. Free memory was 154.6 MB in the beginning and 151.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-10 12:48:08,702 INFO L168 Benchmark]: Boogie Preprocessor took 25.56 ms. Allocated memory is still 212.9 MB. Free memory was 151.4 MB in the beginning and 149.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 12:48:08,702 INFO L168 Benchmark]: RCFGBuilder took 543.12 ms. Allocated memory is still 212.9 MB. Free memory was 149.3 MB in the beginning and 108.4 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2021-07-10 12:48:08,702 INFO L168 Benchmark]: TraceAbstraction took 757.36 ms. Allocated memory is still 212.9 MB. Free memory was 107.9 MB in the beginning and 122.1 MB in the end (delta: -14.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 12:48:08,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 212.9 MB. Free memory was 194.3 MB in the beginning and 194.2 MB in the end (delta: 86.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 719.29 ms. Allocated memory is still 212.9 MB. Free memory was 174.0 MB in the beginning and 154.6 MB in the end (delta: 19.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.45 ms. Allocated memory is still 212.9 MB. Free memory was 154.6 MB in the beginning and 151.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.56 ms. Allocated memory is still 212.9 MB. Free memory was 151.4 MB in the beginning and 149.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 543.12 ms. Allocated memory is still 212.9 MB. Free memory was 149.3 MB in the beginning and 108.4 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 757.36 ms. Allocated memory is still 212.9 MB. Free memory was 107.9 MB in the beginning and 122.1 MB in the end (delta: -14.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 159, positive: 145, positive conditional: 12, positive unconditional: 133, negative: 14, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 153, positive: 145, positive conditional: 12, positive unconditional: 133, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 93, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 93, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 153, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 93, unknown conditional: 0, unknown unconditional: 93] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 4, SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 4 ], Maximal queried relation: 2, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 56, Number of persistent set computation: 42, Number of trivial persistent sets: 39, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 159, positive: 145, positive conditional: 12, positive unconditional: 133, negative: 14, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 153, positive: 145, positive conditional: 12, positive unconditional: 133, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 93, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 93, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 153, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 93, unknown conditional: 0, unknown unconditional: 93] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 4, SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 33, negative conditional: 2, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 4 ], Maximal queried relation: 2, Independence queries for same thread: 6 - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; VAL [t1={7:0}] [L1697] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1={7:0}] [L1698] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1={7:0}] [L1709] 0 pdev = 1 VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1695] COND FALSE 0 !(!expression) VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1711] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={7:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=2, t1={7:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 95 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 644.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 139.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.2ms SsaConstructionTime, 68.7ms SatisfiabilityAnalysisTime, 166.3ms InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...