/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 23:26:28,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 23:26:28,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 23:26:28,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 23:26:28,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 23:26:28,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 23:26:28,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 23:26:28,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 23:26:28,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 23:26:28,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 23:26:28,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 23:26:28,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 23:26:28,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 23:26:28,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 23:26:28,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 23:26:28,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 23:26:28,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 23:26:28,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 23:26:28,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 23:26:28,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 23:26:28,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 23:26:28,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 23:26:28,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 23:26:28,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 23:26:28,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 23:26:28,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 23:26:28,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 23:26:28,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 23:26:28,947 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-MCRwithoutDepranks-Lazy.epf [2022-02-16 23:26:28,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 23:26:28,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 23:26:28,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 23:26:28,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 23:26:28,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 23:26:28,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 23:26:28,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 23:26:28,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 23:26:28,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 23:26:28,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 23:26:28,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 23:26:28,963 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 23:26:28,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 23:26:28,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 23:26:28,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 23:26:28,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 23:26:28,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 23:26:28,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 23:26:28,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 23:26:28,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 23:26:28,965 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 23:26:28,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 23:26:28,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 23:26:28,965 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 23:26:28,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 23:26:29,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 23:26:29,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 23:26:29,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 23:26:29,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 23:26:29,128 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 23:26:29,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-02-16 23:26:29,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66292502a/2a3cf600bfa249c6a2d18323bd18af67/FLAGccddcbca8 [2022-02-16 23:26:29,615 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 23:26:29,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-02-16 23:26:29,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66292502a/2a3cf600bfa249c6a2d18323bd18af67/FLAGccddcbca8 [2022-02-16 23:26:29,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66292502a/2a3cf600bfa249c6a2d18323bd18af67 [2022-02-16 23:26:29,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 23:26:29,640 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 23:26:29,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 23:26:29,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 23:26:29,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 23:26:29,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 11:26:29" (1/1) ... [2022-02-16 23:26:29,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b8e8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:29, skipping insertion in model container [2022-02-16 23:26:29,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 11:26:29" (1/1) ... [2022-02-16 23:26:29,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 23:26:29,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 23:26:29,825 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-02-16 23:26:29,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 23:26:29,956 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 23:26:29,966 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-02-16 23:26:29,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 23:26:30,021 INFO L208 MainTranslator]: Completed translation [2022-02-16 23:26:30,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30 WrapperNode [2022-02-16 23:26:30,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 23:26:30,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 23:26:30,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 23:26:30,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 23:26:30,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,070 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-02-16 23:26:30,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 23:26:30,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 23:26:30,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 23:26:30,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 23:26:30,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 23:26:30,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 23:26:30,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 23:26:30,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 23:26:30,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (1/1) ... [2022-02-16 23:26:30,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 23:26:30,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 23:26:30,132 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) [2022-02-16 23:26:30,145 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 [2022-02-16 23:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 23:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 23:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 23:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 23:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 23:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 23:26:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 23:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 23:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 23:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 23:26:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 23:26:30,168 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 23:26:30,245 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 23:26:30,246 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 23:26:30,374 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 23:26:30,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 23:26:30,379 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 23:26:30,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:26:30 BoogieIcfgContainer [2022-02-16 23:26:30,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 23:26:30,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 23:26:30,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 23:26:30,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 23:26:30,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 11:26:29" (1/3) ... [2022-02-16 23:26:30,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdbc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:26:30, skipping insertion in model container [2022-02-16 23:26:30,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:30" (2/3) ... [2022-02-16 23:26:30,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdbc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:26:30, skipping insertion in model container [2022-02-16 23:26:30,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:26:30" (3/3) ... [2022-02-16 23:26:30,399 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-02-16 23:26:30,402 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 23:26:30,402 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 23:26:30,402 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 23:26:30,402 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 23:26:30,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:30,440 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-16 23:26:30,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 23:26:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 23:26:30,483 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) [2022-02-16 23:26:30,483 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 [2022-02-16 23:26:30,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 23:26:30,511 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 [2022-02-16 23:26:30,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 23:26:30,577 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-02-16 23:26:30,579 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-16 23:26:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 23:26:30,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-02-16 23:26:30,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 23:26:30,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584751590] [2022-02-16 23:26:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 23:26:30,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 23:26:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 23:26:30,688 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 23:26:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 23:26:30,727 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 23:26:30,728 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 23:26:30,729 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-16 23:26:30,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-16 23:26:30,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-16 23:26:30,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 23:26:30,741 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-16 23:26:30,745 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 23:26:30,745 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 23:26:30,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:26:30 BasicIcfg [2022-02-16 23:26:30,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 23:26:30,771 INFO L158 Benchmark]: Toolchain (without parser) took 1130.73ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 142.4MB in the beginning and 206.6MB in the end (delta: -64.2MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. [2022-02-16 23:26:30,771 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 23:26:30,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.98ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 142.2MB in the beginning and 255.9MB in the end (delta: -113.7MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2022-02-16 23:26:30,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.19ms. Allocated memory is still 293.6MB. Free memory was 255.9MB in the beginning and 254.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 23:26:30,772 INFO L158 Benchmark]: Boogie Preprocessor took 28.60ms. Allocated memory is still 293.6MB. Free memory was 254.3MB in the beginning and 252.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 23:26:30,772 INFO L158 Benchmark]: RCFGBuilder took 279.82ms. Allocated memory is still 293.6MB. Free memory was 252.7MB in the beginning and 240.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-16 23:26:30,773 INFO L158 Benchmark]: TraceAbstraction took 387.21ms. Allocated memory is still 293.6MB. Free memory was 240.2MB in the beginning and 207.1MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-02-16 23:26:30,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.98ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 142.2MB in the beginning and 255.9MB in the end (delta: -113.7MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.19ms. Allocated memory is still 293.6MB. Free memory was 255.9MB in the beginning and 254.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.60ms. Allocated memory is still 293.6MB. Free memory was 254.3MB in the beginning and 252.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 279.82ms. Allocated memory is still 293.6MB. Free memory was 252.7MB in the beginning and 240.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 387.21ms. Allocated memory is still 293.6MB. Free memory was 240.2MB in the beginning and 207.1MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, 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: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L701] 0 \read(id) VAL [\read(id)=-1, glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: 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 with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-02-16 23:26:30,796 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 [2022-02-16 23:26:31,014 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...