/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-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:47:41,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:47:41,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:47:41,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-12-05 20:47:41,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:47:41,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:47:41,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:47:41,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:47:41,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:47:41,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:47:41,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:47:41,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:47:41,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:47:41,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:47:41,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:47:41,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:47:41,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 20:47:41,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:47:41,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:47:41,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:47:41,668 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-SemanticLbe.epf [2022-12-05 20:47:41,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:47:41,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:47:41,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:47:41,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:47:41,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:47:41,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:47:41,695 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:47:41,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:47:41,695 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:47:41,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:47:41,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:47:41,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:47:41,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:47:41,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:47:41,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:47:41,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:47:41,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:47:41,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:47:41,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:47:41,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:47:41,977 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:47:41,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-05 20:47:42,899 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:47:43,076 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:47:43,076 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-05 20:47:43,088 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/227d0a74e/43bccf7784f944999d76c846c662f369/FLAGc175c877c [2022-12-05 20:47:43,098 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/227d0a74e/43bccf7784f944999d76c846c662f369 [2022-12-05 20:47:43,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:47:43,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:47:43,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:47:43,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:47:43,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:47:43,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bf9d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43, skipping insertion in model container [2022-12-05 20:47:43,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:47:43,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:47:43,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-05 20:47:43,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:47:43,418 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:47:43,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-05 20:47:43,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:47:43,478 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:47:43,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43 WrapperNode [2022-12-05 20:47:43,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:47:43,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:47:43,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:47:43,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:47:43,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,514 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-05 20:47:43,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:47:43,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:47:43,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:47:43,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:47:43,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:47:43,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:47:43,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:47:43,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:47:43,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (1/1) ... [2022-12-05 20:47:43,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:47:43,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:47:43,560 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) [2022-12-05 20:47:43,563 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 [2022-12-05 20:47:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:47:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 20:47:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:47:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:47:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 20:47:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 20:47:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:47:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:47:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:47:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:47:43,604 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:47:43,717 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:47:43,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:47:43,855 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:47:43,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:47:43,861 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:47:43,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:47:43 BoogieIcfgContainer [2022-12-05 20:47:43,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:47:43,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:47:43,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:47:43,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:47:43,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:47:43" (1/3) ... [2022-12-05 20:47:43,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d414156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:47:43, skipping insertion in model container [2022-12-05 20:47:43,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:47:43" (2/3) ... [2022-12-05 20:47:43,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d414156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:47:43, skipping insertion in model container [2022-12-05 20:47:43,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:47:43" (3/3) ... [2022-12-05 20:47:43,868 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-05 20:47:43,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:47:43,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 20:47:43,882 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:47:43,929 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 20:47:43,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 149 flow [2022-12-05 20:47:44,006 INFO L130 PetriNetUnfolder]: 2/71 cut-off events. [2022-12-05 20:47:44,006 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:47:44,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2022-12-05 20:47:44,010 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 149 flow [2022-12-05 20:47:44,013 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2022-12-05 20:47:44,015 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:47:44,030 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 61 transitions, 125 flow [2022-12-05 20:47:44,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 125 flow [2022-12-05 20:47:44,059 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2022-12-05 20:47:44,059 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:47:44,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-05 20:47:44,061 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 61 transitions, 125 flow [2022-12-05 20:47:44,061 INFO L188 LiptonReduction]: Number of co-enabled transitions 360 [2022-12-05 20:47:46,771 INFO L203 LiptonReduction]: Total number of compositions: 50 [2022-12-05 20:47:46,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:47:46,785 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;@5c83e4a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:47:46,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 20:47:46,787 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-05 20:47:46,787 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:47:46,788 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:46,788 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-05 20:47:46,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:47:46,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash 7522086, now seen corresponding path program 1 times [2022-12-05 20:47:46,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:46,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808489430] [2022-12-05 20:47:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:47,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:47,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808489430] [2022-12-05 20:47:47,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808489430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:47:47,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:47:47,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:47:47,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419354813] [2022-12-05 20:47:47,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:47:47,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:47:47,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:47,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:47:47,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:47:47,066 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 15 [2022-12-05 20:47:47,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:47,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:47,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 15 [2022-12-05 20:47:47,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:47,097 INFO L130 PetriNetUnfolder]: 18/65 cut-off events. [2022-12-05 20:47:47,097 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:47:47,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 65 events. 18/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 194 event pairs, 10 based on Foata normal form. 2/62 useless extension candidates. Maximal degree in co-relation 114. Up to 33 conditions per place. [2022-12-05 20:47:47,098 INFO L137 encePairwiseOnDemand]: 10/15 looper letters, 13 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2022-12-05 20:47:47,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 19 transitions, 73 flow [2022-12-05 20:47:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:47:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:47:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-12-05 20:47:47,107 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-05 20:47:47,108 INFO L175 Difference]: Start difference. First operand has 18 places, 15 transitions, 33 flow. Second operand 3 states and 27 transitions. [2022-12-05 20:47:47,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 19 transitions, 73 flow [2022-12-05 20:47:47,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 19 transitions, 72 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:47:47,111 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 48 flow [2022-12-05 20:47:47,112 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2022-12-05 20:47:47,115 INFO L294 CegarLoopForPetriNet]: 18 programPoint places, 3 predicate places. [2022-12-05 20:47:47,115 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 48 flow [2022-12-05 20:47:47,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:47,115 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:47,115 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:47:47,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:47:47,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:47:47,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:47,116 INFO L85 PathProgramCache]: Analyzing trace with hash 751440443, now seen corresponding path program 1 times [2022-12-05 20:47:47,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:47,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749260616] [2022-12-05 20:47:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:47,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:47:47,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 20:47:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:47:47,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 20:47:47,158 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 20:47:47,159 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-05 20:47:47,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-05 20:47:47,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:47:47,161 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-05 20:47:47,164 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:47:47,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:47:47,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:47:47 BasicIcfg [2022-12-05 20:47:47,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:47:47,187 INFO L158 Benchmark]: Toolchain (without parser) took 4086.61ms. Allocated memory was 255.9MB in the beginning and 386.9MB in the end (delta: 131.1MB). Free memory was 221.2MB in the beginning and 246.6MB in the end (delta: -25.4MB). Peak memory consumption was 106.6MB. Max. memory is 8.0GB. [2022-12-05 20:47:47,188 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory was 233.0MB in the beginning and 232.9MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:47:47,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.72ms. Allocated memory is still 255.9MB. Free memory was 220.8MB in the beginning and 201.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 20:47:47,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.80ms. Allocated memory is still 255.9MB. Free memory was 201.6MB in the beginning and 199.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 20:47:47,189 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 255.9MB. Free memory was 199.5MB in the beginning and 198.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 20:47:47,189 INFO L158 Benchmark]: RCFGBuilder took 325.27ms. Allocated memory is still 255.9MB. Free memory was 198.1MB in the beginning and 224.5MB in the end (delta: -26.4MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-12-05 20:47:47,189 INFO L158 Benchmark]: TraceAbstraction took 3323.50ms. Allocated memory was 255.9MB in the beginning and 386.9MB in the end (delta: 131.1MB). Free memory was 224.0MB in the beginning and 246.6MB in the end (delta: -22.6MB). Peak memory consumption was 108.5MB. Max. memory is 8.0GB. [2022-12-05 20:47:47,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory was 233.0MB in the beginning and 232.9MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.72ms. Allocated memory is still 255.9MB. Free memory was 220.8MB in the beginning and 201.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.80ms. Allocated memory is still 255.9MB. Free memory was 201.6MB in the beginning and 199.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 255.9MB. Free memory was 199.5MB in the beginning and 198.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 325.27ms. Allocated memory is still 255.9MB. Free memory was 198.1MB in the beginning and 224.5MB in the end (delta: -26.4MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3323.50ms. Allocated memory was 255.9MB in the beginning and 386.9MB in the end (delta: 131.1MB). Free memory was 224.0MB in the beginning and 246.6MB in the end (delta: -22.6MB). Peak memory consumption was 108.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 64 PlacesBefore, 18 PlacesAfterwards, 61 TransitionsBefore, 15 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 17 ConcurrentYvCompositions, 0 ChoiceCompositions, 50 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, independent: 361, independent conditional: 361, independent unconditional: 0, dependent: 65, dependent conditional: 65, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 426, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 426, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 278, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 278, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 426, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 396, Positive cache size: 366, Positive conditional cache size: 0, Positive unconditional cache size: 366, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L694] 0 int r = __VERIFIER_nondet_int(); [L695] 0 int t; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 2 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: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=1, InterpolantAutomatonStates: 3, 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, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-12-05 20:47:47,215 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...