/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.pointer.base.address.is.valid.at.dereference ASSERTandASSUME --cacsl2boogietranslator.pointer.to.allocated.memory.at.dereference ASSERTandASSUME --cacsl2boogietranslator.check.array.bounds.for.arrays.that.are.off.heap ASSERTandASSUME --cacsl2boogietranslator.check.if.freed.pointer.was.valid true --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 12:50:00,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 12:50:00,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 12:50:00,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 12:50:00,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 12:50:00,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 12:50:00,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 12:50:00,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 12:50:00,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 12:50:00,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 12:50:00,536 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 12:50:00,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 12:50:00,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 12:50:00,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 12:50:00,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 12:50:00,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 12:50:00,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 12:50:00,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 12:50:00,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 12:50:00,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 12:50:00,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 12:50:00,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 12:50:00,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 12:50:00,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 12:50:00,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 12:50:00,541 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 12:50:00,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 12:50:00,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 12:50:00,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 12:50:00,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 12:50:00,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 12:50:00,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 12:50:00,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 12:50:00,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 12:50:00,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 12:50:00,544 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer base address is valid at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer to allocated memory at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check array bounds for arrays that are off heap -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check if freed pointer was valid -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2023-08-26 12:50:00,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 12:50:00,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 12:50:00,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 12:50:00,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 12:50:00,871 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 12:50:00,872 INFO L431 ainManager$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_pos.i [2023-08-26 12:50:01,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 12:50:02,257 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 12:50:02,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-08-26 12:50:02,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140566eec/da8bd4ff9800497eb10bc16e1d78475f/FLAG701a77343 [2023-08-26 12:50:02,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140566eec/da8bd4ff9800497eb10bc16e1d78475f [2023-08-26 12:50:02,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 12:50:02,284 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 12:50:02,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 12:50:02,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 12:50:02,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 12:50:02,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51449587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02, skipping insertion in model container [2023-08-26 12:50:02,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 12:50:02,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 12:50:02,608 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 12:50:02,639 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-26 12:50:02,641 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [233] [2023-08-26 12:50:02,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 12:50:02,709 INFO L206 MainTranslator]: Completed translation [2023-08-26 12:50:02,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02 WrapperNode [2023-08-26 12:50:02,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 12:50:02,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 12:50:02,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 12:50:02,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 12:50:02,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,770 INFO L138 Inliner]: procedures = 163, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-08-26 12:50:02,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 12:50:02,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 12:50:02,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 12:50:02,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 12:50:02,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 12:50:02,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 12:50:02,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 12:50:02,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 12:50:02,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (1/1) ... [2023-08-26 12:50:02,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 12:50:02,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 12:50:02,838 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) [2023-08-26 12:50:02,862 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 [2023-08-26 12:50:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 12:50:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 12:50:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 12:50:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 12:50:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 12:50:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 12:50:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 12:50:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 12:50:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 12:50:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 12:50:02,880 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 12:50:03,018 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 12:50:03,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 12:50:03,150 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 12:50:03,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 12:50:03,157 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 12:50:03,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:50:03 BoogieIcfgContainer [2023-08-26 12:50:03,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 12:50:03,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 12:50:03,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 12:50:03,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 12:50:03,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 12:50:02" (1/3) ... [2023-08-26 12:50:03,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7783e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:50:03, skipping insertion in model container [2023-08-26 12:50:03,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:50:02" (2/3) ... [2023-08-26 12:50:03,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7783e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:50:03, skipping insertion in model container [2023-08-26 12:50:03,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:50:03" (3/3) ... [2023-08-26 12:50:03,168 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-08-26 12:50:03,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 12:50:03,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-26 12:50:03,182 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 12:50:03,245 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 12:50:03,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 163 flow [2023-08-26 12:50:03,316 INFO L124 PetriNetUnfolderBase]: 3/78 cut-off events. [2023-08-26 12:50:03,317 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 12:50:03,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 3/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2023-08-26 12:50:03,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 79 transitions, 163 flow [2023-08-26 12:50:03,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 66 transitions, 135 flow [2023-08-26 12:50:03,334 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 12:50:03,347 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 66 transitions, 135 flow [2023-08-26 12:50:03,349 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 66 transitions, 135 flow [2023-08-26 12:50:03,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 135 flow [2023-08-26 12:50:03,371 INFO L124 PetriNetUnfolderBase]: 1/66 cut-off events. [2023-08-26 12:50:03,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 12:50:03,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 1/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-08-26 12:50:03,372 INFO L119 LiptonReduction]: Number of co-enabled transitions 400 [2023-08-26 12:50:05,868 INFO L134 LiptonReduction]: Checked pairs total: 1062 [2023-08-26 12:50:05,868 INFO L136 LiptonReduction]: Total number of compositions: 66 [2023-08-26 12:50:05,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 12:50:05,898 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;@17bd8687, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 12:50:05,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-26 12:50:05,899 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 12:50:05,899 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 12:50:05,899 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 12:50:05,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 12:50:05,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 12:50:05,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 1 more)] === [2023-08-26 12:50:05,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 12:50:05,907 INFO L85 PathProgramCache]: Analyzing trace with hash 278, now seen corresponding path program 1 times [2023-08-26 12:50:05,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 12:50:05,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384936902] [2023-08-26 12:50:05,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 12:50:05,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 12:50:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 12:50:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 12:50:06,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 12:50:06,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384936902] [2023-08-26 12:50:06,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384936902] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 12:50:06,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 12:50:06,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 12:50:06,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328751874] [2023-08-26 12:50:06,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 12:50:06,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 12:50:06,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 12:50:06,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 12:50:06,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 12:50:06,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 145 [2023-08-26 12:50:06,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 16 transitions, 35 flow. Second operand has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 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) [2023-08-26 12:50:06,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 12:50:06,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 145 [2023-08-26 12:50:06,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 12:50:06,092 INFO L124 PetriNetUnfolderBase]: 19/52 cut-off events. [2023-08-26 12:50:06,093 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 12:50:06,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 52 events. 19/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 147 event pairs, 15 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 92. Up to 45 conditions per place. [2023-08-26 12:50:06,094 INFO L140 encePairwiseOnDemand]: 143/145 looper letters, 11 selfloop transitions, 0 changer transitions 0/14 dead transitions. [2023-08-26 12:50:06,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 14 transitions, 53 flow [2023-08-26 12:50:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 12:50:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 12:50:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 163 transitions. [2023-08-26 12:50:06,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5620689655172414 [2023-08-26 12:50:06,107 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 163 transitions. [2023-08-26 12:50:06,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 163 transitions. [2023-08-26 12:50:06,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 12:50:06,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 163 transitions. [2023-08-26 12:50:06,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 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) [2023-08-26 12:50:06,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2023-08-26 12:50:06,123 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2023-08-26 12:50:06,125 INFO L175 Difference]: Start difference. First operand has 19 places, 16 transitions, 35 flow. Second operand 2 states and 163 transitions. [2023-08-26 12:50:06,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 14 transitions, 53 flow [2023-08-26 12:50:06,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 14 transitions, 52 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 12:50:06,128 INFO L231 Difference]: Finished difference. Result has 17 places, 14 transitions, 30 flow [2023-08-26 12:50:06,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=30, PETRI_PLACES=17, PETRI_TRANSITIONS=14} [2023-08-26 12:50:06,133 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places. [2023-08-26 12:50:06,133 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 14 transitions, 30 flow [2023-08-26 12:50:06,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 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) [2023-08-26 12:50:06,133 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 12:50:06,133 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-26 12:50:06,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 12:50:06,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 1 more)] === [2023-08-26 12:50:06,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 12:50:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash 261459911, now seen corresponding path program 1 times [2023-08-26 12:50:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 12:50:06,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213076000] [2023-08-26 12:50:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 12:50:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 12:50:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 12:50:06,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 12:50:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 12:50:06,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 12:50:06,226 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 12:50:06,227 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-08-26 12:50:06,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2023-08-26 12:50:06,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2023-08-26 12:50:06,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-08-26 12:50:06,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 12:50:06,230 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-26 12:50:06,234 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 12:50:06,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 12:50:06,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 12:50:06 BasicIcfg [2023-08-26 12:50:06,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 12:50:06,261 INFO L158 Benchmark]: Toolchain (without parser) took 3976.12ms. Allocated memory was 348.1MB in the beginning and 419.4MB in the end (delta: 71.3MB). Free memory was 323.5MB in the beginning and 362.5MB in the end (delta: -39.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.0GB. [2023-08-26 12:50:06,261 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 324.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 12:50:06,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.43ms. Allocated memory is still 348.1MB. Free memory was 323.0MB in the beginning and 304.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 12:50:06,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.01ms. Allocated memory is still 348.1MB. Free memory was 304.0MB in the beginning and 302.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 12:50:06,265 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 348.1MB. Free memory was 302.0MB in the beginning and 300.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 12:50:06,266 INFO L158 Benchmark]: RCFGBuilder took 353.30ms. Allocated memory is still 348.1MB. Free memory was 300.4MB in the beginning and 287.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-26 12:50:06,268 INFO L158 Benchmark]: TraceAbstraction took 3099.18ms. Allocated memory was 348.1MB in the beginning and 419.4MB in the end (delta: 71.3MB). Free memory was 286.3MB in the beginning and 362.5MB in the end (delta: -76.2MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 12:50:06,273 INFO L338 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 348.1MB. Free memory is still 324.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 424.43ms. Allocated memory is still 348.1MB. Free memory was 323.0MB in the beginning and 304.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 60.01ms. Allocated memory is still 348.1MB. Free memory was 304.0MB in the beginning and 302.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 348.1MB. Free memory was 302.0MB in the beginning and 300.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 353.30ms. Allocated memory is still 348.1MB. Free memory was 300.4MB in the beginning and 287.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 3099.18ms. Allocated memory was 348.1MB in the beginning and 419.4MB in the end (delta: 71.3MB). Free memory was 286.3MB in the beginning and 362.5MB in the end (delta: -76.2MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] - GenericResultAtLocation [Line: 233]: Unsoundness Warning unspecified type, defaulting to int C: short [233] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 69 PlacesBefore, 19 PlacesAfterwards, 66 TransitionsBefore, 16 TransitionsAfterwards, 400 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 66 TotalNumberOfCompositions, 1062 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 446, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated 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}, B={4:0}, arg={0:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "36-apron_17-traces-rpb-litmus_unknown_1_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [A={3:0}, B={4:0}, arg={0:0}, g=42] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - 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, 89 locations, 4 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: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 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! [2023-08-26 12:50:06,296 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...