/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.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -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/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 18:40:10,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 18:40:10,605 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 18:40:10,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 18:40:10,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 18:40:10,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 18:40:10,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 18:40:10,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 18:40:10,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 18:40:10,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 18:40:10,648 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 18:40:10,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 18:40:10,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 18:40:10,650 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 18:40:10,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 18:40:10,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 18:40:10,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 18:40:10,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 18:40:10,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 18:40:10,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 18:40:10,651 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 18:40:10,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 18:40:10,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 18:40:10,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 18:40:10,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 18:40:10,653 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 18:40:10,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 18:40:10,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 18:40:10,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 18:40:10,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 18:40:10,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 18:40:10,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 18:40:10,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 18:40:10,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 18:40:10,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 18:40:10,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer base address is valid at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer to allocated memory at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check array bounds for arrays that are off heap -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check if freed pointer was valid -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2023-08-26 18:40:10,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 18:40:10,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 18:40:10,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 18:40:10,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 18:40:10,992 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 18:40:10,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-08-26 18:40:12,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 18:40:12,460 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 18:40:12,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-08-26 18:40:12,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071348146/342a2a62704647419eaf1a71d3126132/FLAGf37182525 [2023-08-26 18:40:12,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071348146/342a2a62704647419eaf1a71d3126132 [2023-08-26 18:40:12,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 18:40:12,487 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 18:40:12,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 18:40:12,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 18:40:12,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 18:40:12,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:12,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12251718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12, skipping insertion in model container [2023-08-26 18:40:12,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:12,532 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 18:40:12,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 18:40:12,854 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 18:40:12,884 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-26 18:40:12,885 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-26 18:40:12,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 18:40:12,941 INFO L206 MainTranslator]: Completed translation [2023-08-26 18:40:12,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12 WrapperNode [2023-08-26 18:40:12,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 18:40:12,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 18:40:12,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 18:40:12,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 18:40:12,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:12,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:12,997 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-08-26 18:40:12,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 18:40:12,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 18:40:12,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 18:40:12,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 18:40:13,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 18:40:13,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 18:40:13,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 18:40:13,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 18:40:13,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (1/1) ... [2023-08-26 18:40:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 18:40:13,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 18:40:13,074 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 18:40:13,102 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 [2023-08-26 18:40:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 18:40:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 18:40:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 18:40:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 18:40:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 18:40:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 18:40:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 18:40:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 18:40:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 18:40:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 18:40:13,120 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 18:40:13,219 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 18:40:13,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 18:40:13,348 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 18:40:13,361 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 18:40:13,361 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 18:40:13,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:40:13 BoogieIcfgContainer [2023-08-26 18:40:13,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 18:40:13,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 18:40:13,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 18:40:13,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 18:40:13,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 06:40:12" (1/3) ... [2023-08-26 18:40:13,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af4addd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:40:13, skipping insertion in model container [2023-08-26 18:40:13,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:40:12" (2/3) ... [2023-08-26 18:40:13,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af4addd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:40:13, skipping insertion in model container [2023-08-26 18:40:13,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:40:13" (3/3) ... [2023-08-26 18:40:13,371 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-08-26 18:40:13,385 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 18:40:13,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-26 18:40:13,386 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 18:40:13,442 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 18:40:13,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 66 transitions, 137 flow [2023-08-26 18:40:13,534 INFO L124 PetriNetUnfolderBase]: 2/65 cut-off events. [2023-08-26 18:40:13,534 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 18:40:13,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2023-08-26 18:40:13,541 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 66 transitions, 137 flow [2023-08-26 18:40:13,546 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2023-08-26 18:40:13,549 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 18:40:13,568 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 55 transitions, 113 flow [2023-08-26 18:40:13,570 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 55 transitions, 113 flow [2023-08-26 18:40:13,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 113 flow [2023-08-26 18:40:13,591 INFO L124 PetriNetUnfolderBase]: 0/55 cut-off events. [2023-08-26 18:40:13,592 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 18:40:13,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 55 events. 0/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-26 18:40:13,592 INFO L119 LiptonReduction]: Number of co-enabled transitions 280 [2023-08-26 18:40:15,765 INFO L134 LiptonReduction]: Checked pairs total: 632 [2023-08-26 18:40:15,765 INFO L136 LiptonReduction]: Total number of compositions: 48 [2023-08-26 18:40:15,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 18:40:15,781 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;@4caf45ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 18:40:15,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-26 18:40:15,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 18:40:15,783 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 18:40:15,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 18:40:15,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 18:40:15,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 18:40:15,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 1 more)] === [2023-08-26 18:40:15,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 18:40:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash 229, now seen corresponding path program 1 times [2023-08-26 18:40:15,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 18:40:15,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939396318] [2023-08-26 18:40:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 18:40:15,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 18:40:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 18:40:15,867 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 18:40:15,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 18:40:15,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939396318] [2023-08-26 18:40:15,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939396318] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 18:40:15,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 18:40:15,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 18:40:15,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124582438] [2023-08-26 18:40:15,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 18:40:15,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 18:40:15,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 18:40:15,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 18:40:15,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 18:40:15,908 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 114 [2023-08-26 18:40:15,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 13 transitions, 29 flow. Second operand has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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 18:40:15,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 18:40:15,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 114 [2023-08-26 18:40:15,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 18:40:15,947 INFO L124 PetriNetUnfolderBase]: 12/37 cut-off events. [2023-08-26 18:40:15,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 18:40:15,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 37 events. 12/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 12 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 66. Up to 34 conditions per place. [2023-08-26 18:40:15,949 INFO L140 encePairwiseOnDemand]: 112/114 looper letters, 9 selfloop transitions, 0 changer transitions 0/11 dead transitions. [2023-08-26 18:40:15,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 11 transitions, 43 flow [2023-08-26 18:40:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 18:40:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 18:40:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 135 transitions. [2023-08-26 18:40:15,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5921052631578947 [2023-08-26 18:40:15,961 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 135 transitions. [2023-08-26 18:40:15,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 135 transitions. [2023-08-26 18:40:15,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 18:40:15,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 135 transitions. [2023-08-26 18:40:15,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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 18:40:15,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 18:40:15,970 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 18:40:15,972 INFO L175 Difference]: Start difference. First operand has 17 places, 13 transitions, 29 flow. Second operand 2 states and 135 transitions. [2023-08-26 18:40:15,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 11 transitions, 43 flow [2023-08-26 18:40:15,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 42 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 18:40:15,976 INFO L231 Difference]: Finished difference. Result has 15 places, 11 transitions, 24 flow [2023-08-26 18:40:15,977 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=24, PETRI_PLACES=15, PETRI_TRANSITIONS=11} [2023-08-26 18:40:15,980 INFO L281 CegarLoopForPetriNet]: 17 programPoint places, -2 predicate places. [2023-08-26 18:40:15,980 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 11 transitions, 24 flow [2023-08-26 18:40:15,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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 18:40:15,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 18:40:15,981 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-26 18:40:15,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 18:40:15,981 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 18:40:15,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 18:40:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1859291749, now seen corresponding path program 1 times [2023-08-26 18:40:15,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 18:40:15,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599246263] [2023-08-26 18:40:15,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 18:40:15,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 18:40:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 18:40:16,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 18:40:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 18:40:16,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 18:40:16,097 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 18:40:16,098 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-08-26 18:40:16,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2023-08-26 18:40:16,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2023-08-26 18:40:16,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-08-26 18:40:16,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 18:40:16,100 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-26 18:40:16,104 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 18:40:16,104 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 18:40:16,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 06:40:16 BasicIcfg [2023-08-26 18:40:16,119 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 18:40:16,119 INFO L158 Benchmark]: Toolchain (without parser) took 3632.58ms. Allocated memory was 369.1MB in the beginning and 518.0MB in the end (delta: 148.9MB). Free memory was 344.1MB in the beginning and 410.8MB in the end (delta: -66.7MB). Peak memory consumption was 83.8MB. Max. memory is 16.0GB. [2023-08-26 18:40:16,119 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 369.1MB. Free memory is still 346.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 18:40:16,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.07ms. Allocated memory is still 369.1MB. Free memory was 344.1MB in the beginning and 325.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 18:40:16,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.76ms. Allocated memory is still 369.1MB. Free memory was 325.1MB in the beginning and 323.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 18:40:16,121 INFO L158 Benchmark]: Boogie Preprocessor took 34.44ms. Allocated memory is still 369.1MB. Free memory was 323.2MB in the beginning and 321.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 18:40:16,121 INFO L158 Benchmark]: RCFGBuilder took 330.05ms. Allocated memory is still 369.1MB. Free memory was 321.7MB in the beginning and 309.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-26 18:40:16,122 INFO L158 Benchmark]: TraceAbstraction took 2753.90ms. Allocated memory was 369.1MB in the beginning and 518.0MB in the end (delta: 148.9MB). Free memory was 308.5MB in the beginning and 410.8MB in the end (delta: -102.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.0GB. [2023-08-26 18:40:16,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 369.1MB. Free memory is still 346.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 455.07ms. Allocated memory is still 369.1MB. Free memory was 344.1MB in the beginning and 325.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 53.76ms. Allocated memory is still 369.1MB. Free memory was 325.1MB in the beginning and 323.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.44ms. Allocated memory is still 369.1MB. Free memory was 323.2MB in the beginning and 321.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 330.05ms. Allocated memory is still 369.1MB. Free memory was 321.7MB in the beginning and 309.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2753.90ms. Allocated memory was 369.1MB in the beginning and 518.0MB in the end (delta: 148.9MB). Free memory was 308.5MB in the beginning and 410.8MB in the end (delta: -102.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 59 PlacesBefore, 17 PlacesAfterwards, 55 TransitionsBefore, 13 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 632 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 300, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 147, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 300, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 147, unknown conditional: 0, unknown unconditional: 147] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "13-privatized_41-traces-ex-7_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0] - 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: 694]: 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, 77 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: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, 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, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 9 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=29occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 18:40:16,152 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...