/usr/bin/java -Xmx16000000000 -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-PN-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 06:14:39,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 06:14:39,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 06:14:39,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 06:14:39,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 06:14:39,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 06:14:39,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 06:14:39,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 06:14:39,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 06:14:39,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 06:14:39,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 06:14:39,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 06:14:39,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 06:14:40,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 06:14:40,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 06:14:40,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 06:14:40,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 06:14:40,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 06:14:40,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 06:14:40,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 06:14:40,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 06:14:40,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 06:14:40,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 06:14:40,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 06:14:40,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 06:14:40,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 06:14:40,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 06:14:40,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 06:14:40,025 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-PN-VariableLbe.epf [2023-01-28 06:14:40,051 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 06:14:40,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 06:14:40,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 06:14:40,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 06:14:40,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 06:14:40,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 06:14:40,054 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 06:14:40,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 06:14:40,054 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 06:14:40,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 06:14:40,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 06:14:40,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 06:14:40,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 06:14:40,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 06:14:40,056 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 06:14:40,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 06:14:40,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 06:14:40,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 06:14:40,298 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 06:14:40,299 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 06:14:40,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton.i [2023-01-28 06:14:41,257 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 06:14:41,440 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 06:14:41,440 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i [2023-01-28 06:14:41,451 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09283305b/e09ca1c76e4c455b89dedbea389e3f9a/FLAG8ebb75d5b [2023-01-28 06:14:41,462 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09283305b/e09ca1c76e4c455b89dedbea389e3f9a [2023-01-28 06:14:41,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 06:14:41,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 06:14:41,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 06:14:41,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 06:14:41,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 06:14:41,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:41,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1075aa9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41, skipping insertion in model container [2023-01-28 06:14:41,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:41,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 06:14:41,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 06:14:41,677 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-01-28 06:14:41,856 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2023-01-28 06:14:41,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 06:14:41,883 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 06:14:41,903 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-01-28 06:14:41,914 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2023-01-28 06:14:41,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 06:14:41,976 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 06:14:41,976 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 06:14:41,976 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 06:14:41,980 INFO L208 MainTranslator]: Completed translation [2023-01-28 06:14:41,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41 WrapperNode [2023-01-28 06:14:41,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 06:14:41,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 06:14:41,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 06:14:41,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 06:14:41,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,024 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-01-28 06:14:42,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 06:14:42,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 06:14:42,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 06:14:42,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 06:14:42,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 06:14:42,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 06:14:42,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 06:14:42,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 06:14:42,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (1/1) ... [2023-01-28 06:14:42,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 06:14:42,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 06:14:42,082 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) [2023-01-28 06:14:42,102 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 [2023-01-28 06:14:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 06:14:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 06:14:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 06:14:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 06:14:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 06:14:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-01-28 06:14:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-01-28 06:14:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 06:14:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 06:14:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 06:14:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 06:14:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 06:14:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 06:14:42,130 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 06:14:42,258 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 06:14:42,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 06:14:42,412 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 06:14:42,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 06:14:42,416 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 06:14:42,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:14:42 BoogieIcfgContainer [2023-01-28 06:14:42,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 06:14:42,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 06:14:42,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 06:14:42,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 06:14:42,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 06:14:41" (1/3) ... [2023-01-28 06:14:42,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30052f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:14:42, skipping insertion in model container [2023-01-28 06:14:42,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:14:41" (2/3) ... [2023-01-28 06:14:42,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30052f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:14:42, skipping insertion in model container [2023-01-28 06:14:42,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:14:42" (3/3) ... [2023-01-28 06:14:42,422 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2023-01-28 06:14:42,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 06:14:42,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 06:14:42,433 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 06:14:42,578 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-01-28 06:14:42,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 188 transitions, 483 flow [2023-01-28 06:14:42,681 INFO L130 PetriNetUnfolder]: 6/125 cut-off events. [2023-01-28 06:14:42,681 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 06:14:42,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 125 events. 6/125 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2023-01-28 06:14:42,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 188 transitions, 483 flow [2023-01-28 06:14:42,692 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 116 transitions, 283 flow [2023-01-28 06:14:42,697 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 06:14:42,707 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 116 transitions, 283 flow [2023-01-28 06:14:42,709 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 116 transitions, 283 flow [2023-01-28 06:14:42,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 116 transitions, 283 flow [2023-01-28 06:14:42,743 INFO L130 PetriNetUnfolder]: 5/116 cut-off events. [2023-01-28 06:14:42,743 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 06:14:42,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 116 events. 5/116 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 44 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2023-01-28 06:14:42,746 INFO L119 LiptonReduction]: Number of co-enabled transitions 1344 [2023-01-28 06:14:44,823 INFO L134 LiptonReduction]: Checked pairs total: 2911 [2023-01-28 06:14:44,823 INFO L136 LiptonReduction]: Total number of compositions: 75 [2023-01-28 06:14:44,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 06:14:44,844 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e06b56d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 06:14:44,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-01-28 06:14:44,859 INFO L130 PetriNetUnfolder]: 5/40 cut-off events. [2023-01-28 06:14:44,859 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 06:14:44,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 06:14:44,863 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 06:14:44,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2023-01-28 06:14:44,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 06:14:44,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1028847263, now seen corresponding path program 1 times [2023-01-28 06:14:44,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 06:14:44,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569267647] [2023-01-28 06:14:44,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 06:14:44,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 06:14:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 06:14:45,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 06:14:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 06:14:45,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 06:14:45,257 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 06:14:45,258 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2023-01-28 06:14:45,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2023-01-28 06:14:45,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2023-01-28 06:14:45,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-01-28 06:14:45,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2023-01-28 06:14:45,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 12 remaining) [2023-01-28 06:14:45,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2023-01-28 06:14:45,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2023-01-28 06:14:45,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2023-01-28 06:14:45,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2023-01-28 06:14:45,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2023-01-28 06:14:45,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2023-01-28 06:14:45,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 06:14:45,262 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 06:14:45,269 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 06:14:45,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 06:14:45,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 06:14:45 BasicIcfg [2023-01-28 06:14:45,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 06:14:45,342 INFO L158 Benchmark]: Toolchain (without parser) took 3876.79ms. Allocated memory was 377.5MB in the beginning and 476.1MB in the end (delta: 98.6MB). Free memory was 334.5MB in the beginning and 371.8MB in the end (delta: -37.3MB). Peak memory consumption was 61.6MB. Max. memory is 16.0GB. [2023-01-28 06:14:45,342 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 255.9MB. Free memory is still 213.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 06:14:45,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.21ms. Allocated memory is still 377.5MB. Free memory was 334.5MB in the beginning and 301.5MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-01-28 06:14:45,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.51ms. Allocated memory is still 377.5MB. Free memory was 301.5MB in the beginning and 299.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 06:14:45,343 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 377.5MB. Free memory was 299.2MB in the beginning and 297.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 06:14:45,343 INFO L158 Benchmark]: RCFGBuilder took 364.62ms. Allocated memory is still 377.5MB. Free memory was 297.3MB in the beginning and 342.0MB in the end (delta: -44.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.0GB. [2023-01-28 06:14:45,344 INFO L158 Benchmark]: TraceAbstraction took 2922.25ms. Allocated memory was 377.5MB in the beginning and 476.1MB in the end (delta: 98.6MB). Free memory was 340.7MB in the beginning and 371.8MB in the end (delta: -31.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.0GB. [2023-01-28 06:14:45,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 255.9MB. Free memory is still 213.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 515.21ms. Allocated memory is still 377.5MB. Free memory was 334.5MB in the beginning and 301.5MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.51ms. Allocated memory is still 377.5MB. Free memory was 301.5MB in the beginning and 299.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 377.5MB. Free memory was 299.2MB in the beginning and 297.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 364.62ms. Allocated memory is still 377.5MB. Free memory was 297.3MB in the beginning and 342.0MB in the end (delta: -44.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.0GB. * TraceAbstraction took 2922.25ms. Allocated memory was 377.5MB in the beginning and 476.1MB in the end (delta: 98.6MB). Free memory was 340.7MB in the beginning and 371.8MB in the end (delta: -31.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 130 PlacesBefore, 55 PlacesAfterwards, 116 TransitionsBefore, 41 TransitionsAfterwards, 1344 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 75 TotalNumberOfCompositions, 2911 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2101, independent: 1992, independent conditional: 0, independent unconditional: 1992, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 711, independent: 674, independent conditional: 0, independent unconditional: 674, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2101, independent: 1318, independent conditional: 0, independent unconditional: 1318, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 711, unknown conditional: 0, unknown unconditional: 711] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1123]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1124] 0 char *v; [L1161] 0 pthread_t t; [L1162] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0) VAL [arg={0:0}, pthread_create(&t, 0, thread0, 0)=-6, t={6:0}, v={0:0}] [L1146] 1 pthread_t t1, t2, t3, t4, t5; [L1147] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t1, 0, thread1, 0)=-5, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={0:0}] [L1148] 1 \read(t1) VAL [\read(t1)=-5, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={0:0}] [L1127] 2 v = malloc(sizeof(char)) [L1128] 2 return 0; [L1148] FCALL, JOIN 2 pthread_join(t1, 0) VAL [\read(t1)=-5, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1149] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t2, 0, thread2, 0)=-4, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1150] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t3, 0, thread3, 0)=-3, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1151] FCALL, FORK 1 pthread_create(&t4, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t4, 0, thread2, 0)=-2, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1152] FCALL, FORK 1 pthread_create(&t5, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t5, 0, thread2, 0)=-1, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1133] 6 v[0] = 'X' [L1135] 6 return 0; [L1133] 5 v[0] = 'X' [L1135] 5 return 0; [L1153] 1 \read(t2) VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1133] 3 v[0] = 'X' [L1135] 3 return 0; [L1153] FCALL, JOIN 3 pthread_join(t2, 0) VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1154] 1 \read(t3) VAL [\read(t3)=-3, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1140] 4 v[0] = 'Y' [L1142] 4 return 0; [L1154] FCALL, JOIN 4 pthread_join(t3, 0) VAL [\read(t3)=-3, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1155] 1 \read(t4) VAL [\read(t4)=-2, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1155] FCALL, JOIN 5 pthread_join(t4, 0) VAL [\read(t4)=-2, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1156] 1 \read(t5) VAL [\read(t5)=-1, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1156] FCALL, JOIN 6 pthread_join(t5, 0) VAL [\read(t5)=-1, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={5:0}, t2={8:0}, t3={7:0}, t4={10:0}, t5={9:0}, v={3:0}] [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1163] 0 \read(t) VAL [\read(t)=-6, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1163] FCALL, JOIN 1 pthread_join(t, 0) VAL [\read(t)=-6, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1164] EXPR 0 v[0] [L1164] CALL 0 __VERIFIER_assert(v[0] == 'X') [L1123] COND TRUE 0 !expression [L1123] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, v={3:0}] - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1162]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1152]: 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 11 procedures, 218 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 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! [2023-01-28 06:14:45,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...