/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:05:45,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:05:45,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:05:45,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:05:45,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:05:45,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:05:45,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:05:45,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:05:45,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:05:45,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:05:45,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:05:45,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:05:45,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:05:45,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:05:45,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:05:45,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:05:45,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:05:45,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:05:45,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:05:45,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:05:45,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:05:45,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:05:45,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:05:45,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:05:45,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-16 03:05:45,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:05:45,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:05:45,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:05:45,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:05:45,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:05:45,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:05:45,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:05:45,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:05:45,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:05:45,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:05:45,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:05:45,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:05:45,925 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:05:45,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:05:45,926 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:05:45,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:05:45,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:05:45,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:05:45,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:05:45,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:05:45,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:05:45,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:05:45,929 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:05:45,929 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:05:45,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:05:46,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:05:46,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:05:46,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:05:46,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:05:46,146 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:05:46,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-11-16 03:05:46,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f6956ae/b0bc4cec15b24d6bac633ad71b39c9dd/FLAGe87b8b948 [2022-11-16 03:05:46,604 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:05:46,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-11-16 03:05:46,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f6956ae/b0bc4cec15b24d6bac633ad71b39c9dd/FLAGe87b8b948 [2022-11-16 03:05:46,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f6956ae/b0bc4cec15b24d6bac633ad71b39c9dd [2022-11-16 03:05:46,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:05:46,627 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:05:46,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:05:46,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:05:46,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:05:46,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:05:46" (1/1) ... [2022-11-16 03:05:46,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e76fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:46, skipping insertion in model container [2022-11-16 03:05:46,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:05:46" (1/1) ... [2022-11-16 03:05:46,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:05:46,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:05:46,870 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-11-16 03:05:46,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:05:46,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:05:47,007 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-11-16 03:05:47,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:05:47,075 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:05:47,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47 WrapperNode [2022-11-16 03:05:47,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:05:47,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:05:47,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:05:47,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:05:47,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,109 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-16 03:05:47,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:05:47,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:05:47,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:05:47,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:05:47,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:05:47,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:05:47,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:05:47,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:05:47,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (1/1) ... [2022-11-16 03:05:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:05:47,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:05:47,173 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) [2022-11-16 03:05:47,195 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 [2022-11-16 03:05:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 03:05:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:05:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 03:05:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:05:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:05:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 03:05:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 03:05:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:05:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:05:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:05:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:05:47,206 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:05:47,349 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:05:47,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:05:47,455 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:05:47,460 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:05:47,460 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 03:05:47,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:05:47 BoogieIcfgContainer [2022-11-16 03:05:47,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:05:47,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:05:47,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:05:47,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:05:47,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:05:46" (1/3) ... [2022-11-16 03:05:47,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1a6780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:05:47, skipping insertion in model container [2022-11-16 03:05:47,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:05:47" (2/3) ... [2022-11-16 03:05:47,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1a6780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:05:47, skipping insertion in model container [2022-11-16 03:05:47,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:05:47" (3/3) ... [2022-11-16 03:05:47,466 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-11-16 03:05:47,471 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:05:47,479 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:05:47,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:05:47,479 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:05:47,512 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 03:05:47,542 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:05:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:05:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:05:47,555 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) [2022-11-16 03:05:47,556 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 [2022-11-16 03:05:47,592 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:05:47,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:05:47,605 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@774335c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:05:47,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 03:05:47,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:05:47,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:05:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1788950058, now seen corresponding path program 1 times [2022-11-16 03:05:47,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:05:47,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644710458] [2022-11-16 03:05:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:05:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:05:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:05:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:05:48,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:05:48,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644710458] [2022-11-16 03:05:48,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644710458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:05:48,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:05:48,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 03:05:48,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445878989] [2022-11-16 03:05:48,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:05:48,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 03:05:48,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:05:48,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 03:05:48,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 03:05:48,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:05:48,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:05:48,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2022-11-16 03:05:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:05:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:05:48,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:05:48,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:05:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:05:48,301 INFO L85 PathProgramCache]: Analyzing trace with hash -611391054, now seen corresponding path program 2 times [2022-11-16 03:05:48,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:05:48,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120099476] [2022-11-16 03:05:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:05:48,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:05:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:05:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:05:48,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:05:48,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120099476] [2022-11-16 03:05:48,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120099476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:05:48,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:05:48,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 03:05:48,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023992320] [2022-11-16 03:05:48,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:05:48,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 03:05:48,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:05:48,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 03:05:48,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 03:05:48,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:05:48,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:05:48,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-11-16 03:05:48,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:05:48,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:05:48,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:05:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:05:48,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:05:48,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:05:48,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:05:48,480 INFO L85 PathProgramCache]: Analyzing trace with hash 435175325, now seen corresponding path program 1 times [2022-11-16 03:05:48,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:05:48,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021434211] [2022-11-16 03:05:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:05:48,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:05:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 03:05:48,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 03:05:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 03:05:48,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 03:05:48,554 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 03:05:48,556 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-16 03:05:48,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-16 03:05:48,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 03:05:48,565 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-16 03:05:48,569 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:05:48,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:05:48,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:05:48 BasicIcfg [2022-11-16 03:05:48,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:05:48,612 INFO L158 Benchmark]: Toolchain (without parser) took 1984.93ms. Allocated memory was 202.4MB in the beginning and 282.1MB in the end (delta: 79.7MB). Free memory was 143.9MB in the beginning and 208.8MB in the end (delta: -64.9MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-11-16 03:05:48,612 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:05:48,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.32ms. Allocated memory is still 202.4MB. Free memory was 143.7MB in the beginning and 167.8MB in the end (delta: -24.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-11-16 03:05:48,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.40ms. Allocated memory is still 202.4MB. Free memory was 167.8MB in the beginning and 166.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:05:48,613 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 202.4MB. Free memory was 166.0MB in the beginning and 164.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:05:48,613 INFO L158 Benchmark]: RCFGBuilder took 331.87ms. Allocated memory is still 202.4MB. Free memory was 164.3MB in the beginning and 151.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-16 03:05:48,614 INFO L158 Benchmark]: TraceAbstraction took 1149.12ms. Allocated memory was 202.4MB in the beginning and 282.1MB in the end (delta: 79.7MB). Free memory was 150.6MB in the beginning and 208.8MB in the end (delta: -58.2MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. [2022-11-16 03:05:48,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 447.32ms. Allocated memory is still 202.4MB. Free memory was 143.7MB in the beginning and 167.8MB in the end (delta: -24.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.40ms. Allocated memory is still 202.4MB. Free memory was 167.8MB in the beginning and 166.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.73ms. Allocated memory is still 202.4MB. Free memory was 166.0MB in the beginning and 164.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 331.87ms. Allocated memory is still 202.4MB. Free memory was 164.3MB in the beginning and 151.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1149.12ms. Allocated memory was 202.4MB in the beginning and 282.1MB in the end (delta: 79.7MB). Free memory was 150.6MB in the beginning and 208.8MB in the end (delta: -58.2MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 305, independent: 294, independent conditional: 1, independent unconditional: 293, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, independent: 88, independent conditional: 3, independent unconditional: 85, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 305, unknown conditional: 1, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 294, Positive conditional cache size: 1, Positive unconditional cache size: 293, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 105, Number of trivial persistent sets: 105, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 305, independent: 294, independent conditional: 1, independent unconditional: 293, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, independent: 88, independent conditional: 3, independent unconditional: 85, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 305, unknown conditional: 1, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 294, Positive conditional cache size: 1, Positive unconditional cache size: 293, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex2={3:0}] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex1={4:0}, mutex2={3:0}] [L681] 0 int glob1 = 0; VAL [glob1=0, mutex1={4:0}, mutex2={3:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={4:0}, mutex2={3:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={4:0}, mutex2={3:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={4:0}, mutex2={3:0}] - UnprovableResult [Line: 697]: 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. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 03:05:48,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-16 03:05:48,842 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...