/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/04-mutex_03-munge_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 21:35:44,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 21:35:44,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 21:35:44,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 21:35:44,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 21:35:44,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 21:35:44,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 21:35:44,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 21:35:44,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 21:35:44,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 21:35:44,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 21:35:44,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 21:35:44,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 21:35:44,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 21:35:44,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 21:35:44,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 21:35:44,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 21:35:44,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 21:35:44,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 21:35:44,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 21:35:44,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 21:35:44,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 21:35:44,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 21:35:44,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 21:35:44,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-18 21:35:44,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-18 21:35:44,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-18 21:35:44,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-18 21:35:44,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-18 21:35:44,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-18 21:35:44,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-18 21:35:44,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-18 21:35:44,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-18 21:35:44,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-18 21:35:44,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-18 21:35:44,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-18 21:35:44,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-18 21:35:44,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-18 21:35:44,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 21:35:44,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 21:35:44,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 21:35:44,931 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 [2022-02-18 21:35:44,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 21:35:44,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 21:35:44,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 21:35:44,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 21:35:44,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 21:35:44,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 21:35:44,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 21:35:44,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 21:35:44,956 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 21:35:44,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 21:35:44,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 21:35:44,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:35:44,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 21:35:44,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 21:35:44,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 21:35:45,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 21:35:45,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 21:35:45,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 21:35:45,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 21:35:45,158 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 21:35:45,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_03-munge_rc.i [2022-02-18 21:35:45,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fb5fc17/c0a4f99f8db543188e57da10e27bec05/FLAG4731f72ed [2022-02-18 21:35:45,597 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 21:35:45,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_03-munge_rc.i [2022-02-18 21:35:45,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fb5fc17/c0a4f99f8db543188e57da10e27bec05/FLAG4731f72ed [2022-02-18 21:35:45,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fb5fc17/c0a4f99f8db543188e57da10e27bec05 [2022-02-18 21:35:45,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 21:35:45,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 21:35:45,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 21:35:45,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 21:35:45,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 21:35:45,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:35:45" (1/1) ... [2022-02-18 21:35:45,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785420bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:45, skipping insertion in model container [2022-02-18 21:35:45,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:35:45" (1/1) ... [2022-02-18 21:35:45,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 21:35:45,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 21:35:46,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:35:46,027 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 21:35:46,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:35:46,107 INFO L208 MainTranslator]: Completed translation [2022-02-18 21:35:46,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46 WrapperNode [2022-02-18 21:35:46,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 21:35:46,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 21:35:46,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 21:35:46,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 21:35:46,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,163 INFO L137 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-02-18 21:35:46,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 21:35:46,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 21:35:46,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 21:35:46,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 21:35:46,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 21:35:46,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 21:35:46,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 21:35:46,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 21:35:46,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (1/1) ... [2022-02-18 21:35:46,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:35:46,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:35:46,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 21:35:46,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 21:35:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 21:35:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 21:35:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 21:35:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 21:35:46,253 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 21:35:46,378 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 21:35:46,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 21:35:46,540 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 21:35:46,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 21:35:46,548 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 21:35:46,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:35:46 BoogieIcfgContainer [2022-02-18 21:35:46,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 21:35:46,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 21:35:46,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 21:35:46,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 21:35:46,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:35:45" (1/3) ... [2022-02-18 21:35:46,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eed166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:35:46, skipping insertion in model container [2022-02-18 21:35:46,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:35:46" (2/3) ... [2022-02-18 21:35:46,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eed166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:35:46, skipping insertion in model container [2022-02-18 21:35:46,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:35:46" (3/3) ... [2022-02-18 21:35:46,555 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_03-munge_rc.i [2022-02-18 21:35:46,558 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 21:35:46,559 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 21:35:46,559 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-18 21:35:46,559 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 21:35:46,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:35:46,597 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-18 21:35:46,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 21:35:46,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:35:46,626 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) [2022-02-18 21:35:46,627 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 [2022-02-18 21:35:46,643 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 21:35:46,647 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 21:35:46,647 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-18 21:35:46,675 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-18 21:35:46,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:35:46,678 INFO L85 PathProgramCache]: Analyzing trace with hash -3957070, now seen corresponding path program 1 times [2022-02-18 21:35:46,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:35:46,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463770910] [2022-02-18 21:35:46,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:35:46,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:35:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:35:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:35:46,826 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:35:46,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463770910] [2022-02-18 21:35:46,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463770910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:35:46,827 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:35:46,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:35:46,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112484096] [2022-02-18 21:35:46,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:35:46,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:35:46,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:35:46,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:35:46,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:35:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:46,851 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:35:46,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:46,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 21:35:46,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-18 21:35:46,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:35:46,873 INFO L85 PathProgramCache]: Analyzing trace with hash 585901895, now seen corresponding path program 1 times [2022-02-18 21:35:46,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:35:46,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984014383] [2022-02-18 21:35:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:35:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:35:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:35:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:35:46,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:35:46,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984014383] [2022-02-18 21:35:46,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984014383] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:35:46,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:35:46,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:35:46,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180636389] [2022-02-18 21:35:46,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:35:46,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:35:46,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:35:46,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:35:46,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:35:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:46,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:35:46,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:35:46,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:46,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:46,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 21:35:46,971 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-18 21:35:46,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:35:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash 768213923, now seen corresponding path program 1 times [2022-02-18 21:35:46,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:35:46,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697776191] [2022-02-18 21:35:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:35:46,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:35:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:35:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:35:47,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:35:47,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697776191] [2022-02-18 21:35:47,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697776191] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:35:47,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:35:47,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 21:35:47,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105191915] [2022-02-18 21:35:47,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:35:47,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 21:35:47,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:35:47,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 21:35:47,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:35:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:47,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:35:47,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:35:47,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:35:47,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 21:35:47,162 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-18 21:35:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:35:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash -143925749, now seen corresponding path program 1 times [2022-02-18 21:35:47,163 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:35:47,163 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969477796] [2022-02-18 21:35:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:35:47,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:35:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:35:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:35:47,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:35:47,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969477796] [2022-02-18 21:35:47,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969477796] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:35:47,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:35:47,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:35:47,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048879844] [2022-02-18 21:35:47,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:35:47,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:35:47,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:35:47,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:35:47,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:35:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:47,208 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:35:47,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:35:47,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:35:47,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:35:47,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:35:47,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:35:47,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-18 21:35:47,324 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-18 21:35:47,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:35:47,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1974477885, now seen corresponding path program 1 times [2022-02-18 21:35:47,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:35:47,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904371665] [2022-02-18 21:35:47,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:35:47,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:35:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:35:47,377 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 21:35:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:35:47,415 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 21:35:47,416 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 21:35:47,416 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-18 21:35:47,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-18 21:35:47,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-18 21:35:47,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-02-18 21:35:47,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-18 21:35:47,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-18 21:35:47,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-18 21:35:47,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-18 21:35:47,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-18 21:35:47,436 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-18 21:35:47,440 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 21:35:47,440 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 21:35:47,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:35:47 BasicIcfg [2022-02-18 21:35:47,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 21:35:47,481 INFO L158 Benchmark]: Toolchain (without parser) took 1857.23ms. Allocated memory was 208.7MB in the beginning and 250.6MB in the end (delta: 41.9MB). Free memory was 153.7MB in the beginning and 166.5MB in the end (delta: -12.8MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2022-02-18 21:35:47,481 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 21:35:47,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.60ms. Allocated memory was 208.7MB in the beginning and 250.6MB in the end (delta: 41.9MB). Free memory was 153.6MB in the beginning and 205.5MB in the end (delta: -52.0MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-02-18 21:35:47,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.35ms. Allocated memory is still 250.6MB. Free memory was 205.5MB in the beginning and 203.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 21:35:47,482 INFO L158 Benchmark]: Boogie Preprocessor took 22.32ms. Allocated memory is still 250.6MB. Free memory was 203.1MB in the beginning and 202.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 21:35:47,482 INFO L158 Benchmark]: RCFGBuilder took 362.10ms. Allocated memory is still 250.6MB. Free memory was 201.8MB in the beginning and 189.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-18 21:35:47,483 INFO L158 Benchmark]: TraceAbstraction took 929.92ms. Allocated memory is still 250.6MB. Free memory was 188.8MB in the beginning and 166.5MB in the end (delta: 22.3MB). Peak memory consumption was 22.7MB. Max. memory is 8.0GB. [2022-02-18 21:35:47,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 483.60ms. Allocated memory was 208.7MB in the beginning and 250.6MB in the end (delta: 41.9MB). Free memory was 153.6MB in the beginning and 205.5MB in the end (delta: -52.0MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.35ms. Allocated memory is still 250.6MB. Free memory was 205.5MB in the beginning and 203.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.32ms. Allocated memory is still 250.6MB. Free memory was 203.1MB in the beginning and 202.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 362.10ms. Allocated memory is still 250.6MB. Free memory was 201.8MB in the beginning and 189.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 929.92ms. Allocated memory is still 250.6MB. Free memory was 188.8MB in the beginning and 166.5MB in the end (delta: 22.3MB). Peak memory consumption was 22.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 356, positive: 319, positive conditional: 319, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 321, positive: 319, positive conditional: 319, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 321, positive: 319, positive conditional: 319, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322, positive: 319, positive conditional: 203, positive unconditional: 116, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 322, positive: 319, positive conditional: 156, positive unconditional: 163, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 322, positive: 319, positive conditional: 156, positive unconditional: 163, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 235, positive: 232, positive conditional: 127, positive unconditional: 105, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 235, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 34, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 322, positive: 87, positive conditional: 29, positive unconditional: 58, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 235, unknown conditional: 128, unknown unconditional: 107] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 232, Positive conditional cache size: 127, Positive unconditional cache size: 105, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, Eliminated conditions: 47, Maximal queried relation: 1, Independence queries for same thread: 35 - 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 pthread_t id; VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L932] CALL 0 munge(&mutex1) [L922] EXPR 0 myglobal+1 VAL [m={1:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L922] 0 myglobal=myglobal+1 VAL [m={1:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L926] CALL 1 munge(&mutex2) [L922] 1 myglobal+1 VAL [m={2:0}, m={2:0}, m={1:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 0 myglobal=myglobal+1 VAL [m={1:0}, m={2:0}, m={2:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [922] and C: myglobal=myglobal+1 [922] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.2s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-18 21:35:47,543 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 [2022-02-18 21:35:47,761 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...