/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 11:15:37,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 11:15:37,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 11:15:37,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 11:15:37,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 11:15:37,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 11:15:38,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 11:15:38,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 11:15:38,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 11:15:38,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 11:15:38,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 11:15:38,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 11:15:38,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 11:15:38,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 11:15:38,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 11:15:38,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 11:15:38,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 11:15:38,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 11:15:38,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 11:15:38,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 11:15:38,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 11:15:38,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 11:15:38,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 11:15:38,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 11:15:38,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 11:15:38,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 11:15:38,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 11:15:38,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 11:15:38,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 11:15:38,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 11:15:38,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 11:15:38,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 11:15:38,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 11:15:38,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 11:15:38,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 11:15:38,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 11:15:38,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 11:15:38,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 11:15:38,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 11:15:38,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 11:15:38,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 11:15:38,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 11:15:38,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 11:15:38,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 11:15:38,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 11:15:38,059 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 11:15:38,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 11:15:38,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 11:15:38,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 11:15:38,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 11:15:38,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 11:15:38,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 11:15:38,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 11:15:38,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 11:15:38,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 11:15:38,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 11:15:38,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 11:15:38,062 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 11:15:38,063 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 11:15:38,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 11:15:38,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 11:15:38,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 11:15:38,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 11:15:38,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 11:15:38,277 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 11:15:38,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-09 11:15:38,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d11de8c/a9336b4c5043411ebe38ee6324313e1d/FLAGffec67b54 [2022-02-09 11:15:38,692 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 11:15:38,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-09 11:15:38,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d11de8c/a9336b4c5043411ebe38ee6324313e1d/FLAGffec67b54 [2022-02-09 11:15:39,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d11de8c/a9336b4c5043411ebe38ee6324313e1d [2022-02-09 11:15:39,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 11:15:39,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 11:15:39,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 11:15:39,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 11:15:39,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 11:15:39,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74631a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39, skipping insertion in model container [2022-02-09 11:15:39,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 11:15:39,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 11:15:39,237 WARN L230 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_2_neg.i[1103,1116] [2022-02-09 11:15:39,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 11:15:39,339 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 11:15:39,357 WARN L230 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_2_neg.i[1103,1116] [2022-02-09 11:15:39,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 11:15:39,394 INFO L208 MainTranslator]: Completed translation [2022-02-09 11:15:39,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39 WrapperNode [2022-02-09 11:15:39,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 11:15:39,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 11:15:39,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 11:15:39,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 11:15:39,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,431 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-09 11:15:39,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 11:15:39,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 11:15:39,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 11:15:39,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 11:15:39,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 11:15:39,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 11:15:39,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 11:15:39,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 11:15:39,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (1/1) ... [2022-02-09 11:15:39,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 11:15:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 11:15:39,482 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) [2022-02-09 11:15:39,486 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 [2022-02-09 11:15:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 11:15:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 11:15:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 11:15:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 11:15:39,510 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 11:15:39,648 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 11:15:39,649 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 11:15:39,818 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 11:15:39,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 11:15:39,823 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 11:15:39,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:15:39 BoogieIcfgContainer [2022-02-09 11:15:39,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 11:15:39,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 11:15:39,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 11:15:39,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 11:15:39,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 11:15:39" (1/3) ... [2022-02-09 11:15:39,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a6a6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:15:39, skipping insertion in model container [2022-02-09 11:15:39,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 11:15:39" (2/3) ... [2022-02-09 11:15:39,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a6a6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:15:39, skipping insertion in model container [2022-02-09 11:15:39,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:15:39" (3/3) ... [2022-02-09 11:15:39,834 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-09 11:15:39,837 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 11:15:39,837 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 11:15:39,837 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 11:15:39,837 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 11:15:39,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,865 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,865 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,882 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,884 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 11:15:39,888 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 11:15:39,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 11:15:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 11:15:39,938 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) [2022-02-09 11:15:39,963 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 [2022-02-09 11:15:39,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 11:15:39,980 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 [2022-02-09 11:15:39,980 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 11:15:40,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:15:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:15:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-09 11:15:40,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:15:40,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33227244] [2022-02-09 11:15:40,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:15:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:15:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 11:15:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 11:15:40,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 11:15:40,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33227244] [2022-02-09 11:15:40,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33227244] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 11:15:40,361 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 11:15:40,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 11:15:40,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364773054] [2022-02-09 11:15:40,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 11:15:40,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 11:15:40,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 11:15:40,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 11:15:40,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 11:15:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:15:40,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 11:15:40,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 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) [2022-02-09 11:15:40,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:15:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 11:15:40,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 11:15:40,506 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:15:40,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:15:40,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-02-09 11:15:40,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:15:40,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767031304] [2022-02-09 11:15:40,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:15:40,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:15:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 11:15:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 11:15:40,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 11:15:40,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767031304] [2022-02-09 11:15:40,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767031304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 11:15:40,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 11:15:40,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 11:15:40,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467078755] [2022-02-09 11:15:40,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 11:15:40,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 11:15:40,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 11:15:40,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 11:15:40,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-09 11:15:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:15:40,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 11:15:40,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-09 11:15:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 11:15:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 11:15:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 11:15:40,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 11:15:40,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 11:15:40,723 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 11:15:40,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 11:15:40,724 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-02-09 11:15:40,724 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 11:15:40,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126130100] [2022-02-09 11:15:40,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 11:15:40,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 11:15:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 11:15:40,748 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 11:15:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 11:15:40,805 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 11:15:40,805 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 11:15:40,806 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-09 11:15:40,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 11:15:40,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 11:15:40,818 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-09 11:15:40,821 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 11:15:40,822 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 11:15:40,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 11:15:40 BasicIcfg [2022-02-09 11:15:40,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 11:15:40,865 INFO L158 Benchmark]: Toolchain (without parser) took 1799.21ms. Allocated memory is still 216.0MB. Free memory was 163.7MB in the beginning and 106.1MB in the end (delta: 57.7MB). Peak memory consumption was 57.4MB. Max. memory is 8.0GB. [2022-02-09 11:15:40,867 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 216.0MB. Free memory is still 181.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 11:15:40,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.94ms. Allocated memory is still 216.0MB. Free memory was 163.6MB in the beginning and 183.7MB in the end (delta: -20.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-09 11:15:40,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.02ms. Allocated memory is still 216.0MB. Free memory was 183.7MB in the beginning and 181.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 11:15:40,867 INFO L158 Benchmark]: Boogie Preprocessor took 21.57ms. Allocated memory is still 216.0MB. Free memory was 181.6MB in the beginning and 180.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 11:15:40,867 INFO L158 Benchmark]: RCFGBuilder took 370.14ms. Allocated memory is still 216.0MB. Free memory was 180.5MB in the beginning and 168.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-09 11:15:40,869 INFO L158 Benchmark]: TraceAbstraction took 1037.29ms. Allocated memory is still 216.0MB. Free memory was 167.9MB in the beginning and 106.1MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-02-09 11:15:40,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 216.0MB. Free memory is still 181.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 329.94ms. Allocated memory is still 216.0MB. Free memory was 163.6MB in the beginning and 183.7MB in the end (delta: -20.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.02ms. Allocated memory is still 216.0MB. Free memory was 183.7MB in the beginning and 181.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.57ms. Allocated memory is still 216.0MB. Free memory was 181.6MB in the beginning and 180.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 370.14ms. Allocated memory is still 216.0MB. Free memory was 180.5MB in the beginning and 168.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1037.29ms. Allocated memory is still 216.0MB. Free memory was 167.9MB in the beginning and 106.1MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 114, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 114, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 114, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 463, positive: 450, positive conditional: 95, positive unconditional: 355, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 463, positive: 450, positive conditional: 68, positive unconditional: 382, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 463, positive: 450, positive conditional: 68, positive unconditional: 382, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, positive: 336, positive conditional: 0, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, positive: 327, positive conditional: 0, positive unconditional: 327, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 26, negative conditional: 4, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 463, positive: 114, positive conditional: 68, positive unconditional: 46, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 347, unknown conditional: 2, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 336, Positive conditional cache size: 0, Positive unconditional cache size: 336, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 27, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 108, Number of trivial persistent sets: 108, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345, positive: 336, positive conditional: 0, positive unconditional: 336, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 114, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 114, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 114, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 463, positive: 450, positive conditional: 95, positive unconditional: 355, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 463, positive: 450, positive conditional: 68, positive unconditional: 382, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 463, positive: 450, positive conditional: 68, positive unconditional: 382, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, positive: 336, positive conditional: 0, positive unconditional: 336, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, positive: 327, positive conditional: 0, positive unconditional: 327, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 26, negative conditional: 4, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 463, positive: 114, positive conditional: 68, positive unconditional: 46, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 347, unknown conditional: 2, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 336, Positive conditional cache size: 0, Positive unconditional cache size: 336, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 27, Maximal queried relation: 1, Independence queries for same thread: 0 - 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 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! [2022-02-09 11:15:40,896 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 [2022-02-09 11:15:41,111 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...