/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-NewStatesSleep-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/06-symbeq_10-equ_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 19:53:48,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 19:53:48,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 19:53:48,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 19:53:48,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 19:53:48,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 19:53:48,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 19:53:48,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 19:53:48,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 19:53:48,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 19:53:48,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 19:53:48,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 19:53:48,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 19:53:48,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 19:53:48,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 19:53:48,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 19:53:48,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 19:53:48,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 19:53:48,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 19:53:48,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 19:53:48,714 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-NewStatesSleep-NoLbe.epf [2022-01-28 19:53:48,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 19:53:48,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 19:53:48,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 19:53:48,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 19:53:48,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 19:53:48,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 19:53:48,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 19:53:48,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 19:53:48,742 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 19:53:48,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 19:53:48,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 19:53:48,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 19:53:48,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 19:53:48,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 19:53:48,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 19:53:48,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 19:53:48,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 19:53:48,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 19:53:48,746 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 19:53:48,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-28 19:53:48,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 19:53:48,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 19:53:48,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 19:53:48,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 19:53:48,947 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 19:53:48,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2022-01-28 19:53:48,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e3962fa/71a8abea8b7644ea93eec1ff9e6241a0/FLAGe9c4a2610 [2022-01-28 19:53:49,360 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 19:53:49,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2022-01-28 19:53:49,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e3962fa/71a8abea8b7644ea93eec1ff9e6241a0/FLAGe9c4a2610 [2022-01-28 19:53:49,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e3962fa/71a8abea8b7644ea93eec1ff9e6241a0 [2022-01-28 19:53:49,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 19:53:49,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 19:53:49,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 19:53:49,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 19:53:49,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 19:53:49,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:53:49" (1/1) ... [2022-01-28 19:53:49,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7234eab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:49, skipping insertion in model container [2022-01-28 19:53:49,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:53:49" (1/1) ... [2022-01-28 19:53:49,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 19:53:49,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 19:53:50,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 19:53:50,077 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 19:53:50,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 19:53:50,160 INFO L208 MainTranslator]: Completed translation [2022-01-28 19:53:50,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50 WrapperNode [2022-01-28 19:53:50,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 19:53:50,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 19:53:50,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 19:53:50,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 19:53:50,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,218 INFO L137 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-01-28 19:53:50,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 19:53:50,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 19:53:50,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 19:53:50,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 19:53:50,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 19:53:50,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 19:53:50,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 19:53:50,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 19:53:50,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (1/1) ... [2022-01-28 19:53:50,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 19:53:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 19:53:50,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 19:53:50,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 19:53:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 19:53:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 19:53:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 19:53:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-28 19:53:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 19:53:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-28 19:53:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-28 19:53:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 19:53:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 19:53:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 19:53:50,341 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 19:53:50,462 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 19:53:50,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 19:53:50,612 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 19:53:50,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 19:53:50,616 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 19:53:50,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:53:50 BoogieIcfgContainer [2022-01-28 19:53:50,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 19:53:50,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 19:53:50,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 19:53:50,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 19:53:50,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 07:53:49" (1/3) ... [2022-01-28 19:53:50,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7bad41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:53:50, skipping insertion in model container [2022-01-28 19:53:50,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:53:50" (2/3) ... [2022-01-28 19:53:50,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7bad41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:53:50, skipping insertion in model container [2022-01-28 19:53:50,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:53:50" (3/3) ... [2022-01-28 19:53:50,633 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2022-01-28 19:53:50,636 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 19:53:50,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 19:53:50,636 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-28 19:53:50,636 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 19:53:50,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,651 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,651 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,657 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,657 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 19:53:50,660 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 19:53:50,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 19:53:50,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 19:53:50,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 19:53:50,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-28 19:53:50,725 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 19:53:50,730 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 19:53:50,731 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-28 19:53:50,778 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-01-28 19:53:50,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 19:53:50,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1424353823, now seen corresponding path program 1 times [2022-01-28 19:53:50,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 19:53:50,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88964568] [2022-01-28 19:53:50,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 19:53:50,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 19:53:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 19:53:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 19:53:51,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 19:53:51,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88964568] [2022-01-28 19:53:51,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88964568] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 19:53:51,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 19:53:51,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 19:53:51,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896460693] [2022-01-28 19:53:51,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 19:53:51,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 19:53:51,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 19:53:51,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 19:53:51,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 19:53:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 19:53:51,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 19:53:51,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 19:53:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 19:53:51,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:51,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 19:53:51,218 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-01-28 19:53:51,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 19:53:51,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1184542089, now seen corresponding path program 1 times [2022-01-28 19:53:51,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 19:53:51,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666846133] [2022-01-28 19:53:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 19:53:51,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 19:53:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 19:53:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 19:53:51,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 19:53:51,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666846133] [2022-01-28 19:53:51,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666846133] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 19:53:51,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 19:53:51,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 19:53:51,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794865322] [2022-01-28 19:53:51,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 19:53:51,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 19:53:51,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 19:53:51,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 19:53:51,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 19:53:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 19:53:51,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 19:53:51,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 19:53:51,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:51,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 19:53:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:51,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 19:53:51,538 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-01-28 19:53:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 19:53:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2130622916, now seen corresponding path program 1 times [2022-01-28 19:53:51,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 19:53:51,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103532195] [2022-01-28 19:53:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 19:53:51,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 19:53:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 19:53:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 19:53:51,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 19:53:51,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103532195] [2022-01-28 19:53:51,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103532195] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 19:53:51,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 19:53:51,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-28 19:53:51,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551013451] [2022-01-28 19:53:51,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 19:53:51,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-28 19:53:51,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 19:53:51,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-28 19:53:51,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-01-28 19:53:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 19:53:51,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 19:53:51,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 19:53:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:51,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 19:53:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 19:53:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 19:53:52,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 19:53:52,128 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-01-28 19:53:52,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 19:53:52,128 INFO L85 PathProgramCache]: Analyzing trace with hash 299314347, now seen corresponding path program 1 times [2022-01-28 19:53:52,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 19:53:52,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515498034] [2022-01-28 19:53:52,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 19:53:52,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 19:53:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 19:53:52,142 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 19:53:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 19:53:52,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 19:53:52,181 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 19:53:52,182 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-01-28 19:53:52,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-28 19:53:52,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-01-28 19:53:52,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-01-28 19:53:52,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 19:53:52,187 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-28 19:53:52,190 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 19:53:52,190 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 19:53:52,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 07:53:52 BasicIcfg [2022-01-28 19:53:52,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 19:53:52,224 INFO L158 Benchmark]: Toolchain (without parser) took 2498.65ms. Allocated memory was 203.4MB in the beginning and 244.3MB in the end (delta: 40.9MB). Free memory was 178.6MB in the beginning and 181.7MB in the end (delta: -3.1MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. [2022-01-28 19:53:52,224 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 168.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 19:53:52,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.72ms. Allocated memory is still 203.4MB. Free memory was 178.3MB in the beginning and 162.0MB in the end (delta: 16.3MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2022-01-28 19:53:52,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.43ms. Allocated memory is still 203.4MB. Free memory was 162.0MB in the beginning and 159.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 19:53:52,225 INFO L158 Benchmark]: Boogie Preprocessor took 26.80ms. Allocated memory is still 203.4MB. Free memory was 159.7MB in the beginning and 157.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 19:53:52,225 INFO L158 Benchmark]: RCFGBuilder took 371.19ms. Allocated memory is still 203.4MB. Free memory was 157.9MB in the beginning and 145.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-28 19:53:52,226 INFO L158 Benchmark]: TraceAbstraction took 1604.87ms. Allocated memory was 203.4MB in the beginning and 244.3MB in the end (delta: 40.9MB). Free memory was 144.7MB in the beginning and 181.7MB in the end (delta: -37.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-28 19:53:52,227 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 203.4MB. Free memory is still 168.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 435.72ms. Allocated memory is still 203.4MB. Free memory was 178.3MB in the beginning and 162.0MB in the end (delta: 16.3MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.43ms. Allocated memory is still 203.4MB. Free memory was 162.0MB in the beginning and 159.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.80ms. Allocated memory is still 203.4MB. Free memory was 159.7MB in the beginning and 157.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 371.19ms. Allocated memory is still 203.4MB. Free memory was 157.9MB in the beginning and 145.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1604.87ms. Allocated memory was 203.4MB in the beginning and 244.3MB in the end (delta: 40.9MB). Free memory was 144.7MB in the beginning and 181.7MB in the end (delta: -37.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 382, positive: 352, positive conditional: 352, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, positive: 352, positive conditional: 352, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 360, positive: 352, positive conditional: 352, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 371, positive: 352, positive conditional: 272, positive unconditional: 80, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 371, positive: 352, positive conditional: 218, positive unconditional: 134, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 371, positive: 352, positive conditional: 218, positive unconditional: 134, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 275, positive conditional: 188, positive unconditional: 87, negative: 13, negative conditional: 8, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 13, negative conditional: 8, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 61, negative conditional: 21, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 371, positive: 77, positive conditional: 30, positive unconditional: 47, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 288, unknown conditional: 196, unknown unconditional: 92] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 275, Positive conditional cache size: 188, Positive unconditional cache size: 87, Negative cache size: 13, Negative conditional cache size: 8, Negative unconditional cache size: 5, Eliminated conditions: 54, Maximal queried relation: 2, Independence queries for same thread: 22 - 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: 1019]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, arg={0:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, pthread_create(&id,((void *)0),t_fun,((void *)0))=-1, s={2:0}, x=1] [L1019] 0 *d = 8 VAL [*d = 8=38, A={1:0}, arg={0:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L1019] 0 *d = 8 VAL [*d = 8=38, A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] Now there is a data race (on the heap) between C: B.datum = 5 [996] and C: *d = 8 [1019] - UnprovableResult [Line: 1017]: 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: 996]: 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, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-28 19:53:52,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-28 19:53:52,480 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...