./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test22-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test22-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 04:24:39,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 04:24:39,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 04:24:39,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 04:24:39,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 04:24:39,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 04:24:39,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 04:24:39,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 04:24:39,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 04:24:39,507 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 04:24:39,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 04:24:39,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 04:24:39,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 04:24:39,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 04:24:39,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 04:24:39,508 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 04:24:39,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 04:24:39,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 04:24:39,509 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f [2025-03-08 04:24:39,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 04:24:39,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 04:24:39,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 04:24:39,776 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 04:24:39,776 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 04:24:39,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-1.c [2025-03-08 04:24:41,039 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abbdad70/62701ae747474593b65db76059a6a75b/FLAGd6df4dc33 [2025-03-08 04:24:41,263 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 04:24:41,266 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c [2025-03-08 04:24:41,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abbdad70/62701ae747474593b65db76059a6a75b/FLAGd6df4dc33 [2025-03-08 04:24:41,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abbdad70/62701ae747474593b65db76059a6a75b [2025-03-08 04:24:41,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 04:24:41,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 04:24:41,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 04:24:41,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 04:24:41,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 04:24:41,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575fa61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41, skipping insertion in model container [2025-03-08 04:24:41,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 04:24:41,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c[1029,1042] [2025-03-08 04:24:41,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 04:24:41,737 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 04:24:41,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c[1029,1042] [2025-03-08 04:24:41,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 04:24:41,764 INFO L204 MainTranslator]: Completed translation [2025-03-08 04:24:41,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41 WrapperNode [2025-03-08 04:24:41,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 04:24:41,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 04:24:41,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 04:24:41,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 04:24:41,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,802 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2025-03-08 04:24:41,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 04:24:41,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 04:24:41,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 04:24:41,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 04:24:41,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,829 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 4 writes are split as follows [0, 4]. [2025-03-08 04:24:41,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 04:24:41,843 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 04:24:41,843 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 04:24:41,843 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 04:24:41,844 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (1/1) ... [2025-03-08 04:24:41,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 04:24:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 04:24:41,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 04:24:41,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 04:24:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 04:24:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 04:24:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 04:24:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 04:24:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 04:24:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2025-03-08 04:24:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2025-03-08 04:24:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 04:24:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 04:24:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 04:24:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 04:24:41,964 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 04:24:41,966 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 04:24:42,016 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L24: havoc #t~nondet8; [2025-03-08 04:24:42,171 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: havoc check_#t~mem9#1; [2025-03-08 04:24:42,185 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-03-08 04:24:42,186 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 04:24:42,194 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 04:24:42,195 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 04:24:42,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:24:42 BoogieIcfgContainer [2025-03-08 04:24:42,195 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 04:24:42,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 04:24:42,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 04:24:42,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 04:24:42,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 04:24:41" (1/3) ... [2025-03-08 04:24:42,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a4a6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:24:42, skipping insertion in model container [2025-03-08 04:24:42,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:24:41" (2/3) ... [2025-03-08 04:24:42,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a4a6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:24:42, skipping insertion in model container [2025-03-08 04:24:42,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:24:42" (3/3) ... [2025-03-08 04:24:42,202 INFO L128 eAbstractionObserver]: Analyzing ICFG test22-1.c [2025-03-08 04:24:42,215 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 04:24:42,216 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test22-1.c that has 2 procedures, 25 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 04:24:42,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 04:24:42,267 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1c6e1ba0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 04:24:42,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 04:24:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 04:24:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-08 04:24:42,276 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:24:42,277 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:24:42,277 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:24:42,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:24:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1632812309, now seen corresponding path program 1 times [2025-03-08 04:24:42,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 04:24:42,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383262804] [2025-03-08 04:24:42,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:24:42,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 04:24:42,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 04:24:42,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 04:24:42,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:24:42,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:42,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 04:24:42,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383262804] [2025-03-08 04:24:42,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383262804] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 04:24:42,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 04:24:42,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 04:24:42,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52393131] [2025-03-08 04:24:42,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 04:24:42,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 04:24:42,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 04:24:42,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 04:24:42,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 04:24:42,539 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:24:42,551 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2025-03-08 04:24:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 04:24:42,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-03-08 04:24:42,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:24:42,558 INFO L225 Difference]: With dead ends: 34 [2025-03-08 04:24:42,558 INFO L226 Difference]: Without dead ends: 21 [2025-03-08 04:24:42,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 04:24:42,563 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 04:24:42,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 04:24:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-08 04:24:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-08 04:24:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 04:24:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2025-03-08 04:24:42,589 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 25 [2025-03-08 04:24:42,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:24:42,592 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2025-03-08 04:24:42,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2025-03-08 04:24:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-08 04:24:42,594 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:24:42,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:24:42,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 04:24:42,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:24:42,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:24:42,596 INFO L85 PathProgramCache]: Analyzing trace with hash -948192144, now seen corresponding path program 1 times [2025-03-08 04:24:42,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 04:24:42,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642725851] [2025-03-08 04:24:42,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:24:42,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 04:24:42,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-08 04:24:42,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-08 04:24:42,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:24:42,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:43,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 04:24:43,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642725851] [2025-03-08 04:24:43,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642725851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 04:24:43,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 04:24:43,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 04:24:43,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053939416] [2025-03-08 04:24:43,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 04:24:43,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 04:24:43,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 04:24:43,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 04:24:43,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 04:24:43,119 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:43,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:24:43,171 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2025-03-08 04:24:43,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 04:24:43,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-03-08 04:24:43,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:24:43,172 INFO L225 Difference]: With dead ends: 29 [2025-03-08 04:24:43,172 INFO L226 Difference]: Without dead ends: 24 [2025-03-08 04:24:43,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-08 04:24:43,172 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 04:24:43,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 04:24:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-03-08 04:24:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2025-03-08 04:24:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 04:24:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2025-03-08 04:24:43,176 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 26 [2025-03-08 04:24:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:24:43,176 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-03-08 04:24:43,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2025-03-08 04:24:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-08 04:24:43,177 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:24:43,177 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:24:43,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 04:24:43,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:24:43,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:24:43,178 INFO L85 PathProgramCache]: Analyzing trace with hash 356793711, now seen corresponding path program 1 times [2025-03-08 04:24:43,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 04:24:43,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670701395] [2025-03-08 04:24:43,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:24:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 04:24:43,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 04:24:43,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 04:24:43,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:24:43,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:43,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 04:24:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670701395] [2025-03-08 04:24:43,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670701395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 04:24:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782127574] [2025-03-08 04:24:43,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:24:43,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 04:24:43,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 04:24:43,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 04:24:43,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 04:24:43,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 04:24:43,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 04:24:43,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:24:43,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:43,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-08 04:24:43,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 04:24:43,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2025-03-08 04:24:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:43,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 04:24:43,933 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2025-03-08 04:24:43,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2025-03-08 04:24:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782127574] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 04:24:43,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 04:24:43,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2025-03-08 04:24:43,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100659305] [2025-03-08 04:24:43,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 04:24:43,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-08 04:24:43,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 04:24:43,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-08 04:24:43,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-08 04:24:43,970 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:44,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:24:44,109 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2025-03-08 04:24:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 04:24:44,110 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-03-08 04:24:44,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:24:44,111 INFO L225 Difference]: With dead ends: 35 [2025-03-08 04:24:44,111 INFO L226 Difference]: Without dead ends: 30 [2025-03-08 04:24:44,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-03-08 04:24:44,111 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 04:24:44,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 107 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 04:24:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-03-08 04:24:44,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2025-03-08 04:24:44,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 04:24:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2025-03-08 04:24:44,120 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 28 [2025-03-08 04:24:44,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:24:44,120 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2025-03-08 04:24:44,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2025-03-08 04:24:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-08 04:24:44,121 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:24:44,121 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:24:44,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 04:24:44,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 04:24:44,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:24:44,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:24:44,326 INFO L85 PathProgramCache]: Analyzing trace with hash -46142996, now seen corresponding path program 2 times [2025-03-08 04:24:44,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 04:24:44,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793646219] [2025-03-08 04:24:44,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 04:24:44,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 04:24:44,344 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-03-08 04:24:44,358 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 04:24:44,358 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-08 04:24:44,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:44,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 04:24:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793646219] [2025-03-08 04:24:44,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793646219] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 04:24:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064323900] [2025-03-08 04:24:44,721 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 04:24:44,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 04:24:44,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 04:24:44,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 04:24:44,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 04:24:44,778 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-03-08 04:24:44,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 04:24:44,804 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-08 04:24:44,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:44,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-08 04:24:44,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 04:24:45,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2025-03-08 04:24:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:45,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 04:24:45,236 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2025-03-08 04:24:45,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2025-03-08 04:24:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 04:24:45,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064323900] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 04:24:45,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 04:24:45,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-03-08 04:24:45,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656298275] [2025-03-08 04:24:45,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 04:24:45,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-08 04:24:45,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 04:24:45,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-08 04:24:45,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-08 04:24:45,266 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 23 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 23 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:24:45,697 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2025-03-08 04:24:45,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-08 04:24:45,698 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 23 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2025-03-08 04:24:45,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:24:45,699 INFO L225 Difference]: With dead ends: 47 [2025-03-08 04:24:45,699 INFO L226 Difference]: Without dead ends: 42 [2025-03-08 04:24:45,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=1038, Unknown=0, NotChecked=0, Total=1406 [2025-03-08 04:24:45,700 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 04:24:45,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 107 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 04:24:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-03-08 04:24:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2025-03-08 04:24:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 04:24:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2025-03-08 04:24:45,714 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 34 [2025-03-08 04:24:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:24:45,714 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2025-03-08 04:24:45,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 23 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 04:24:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2025-03-08 04:24:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-08 04:24:45,715 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:24:45,715 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:24:45,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 04:24:45,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-08 04:24:45,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:24:45,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:24:45,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2029429338, now seen corresponding path program 3 times [2025-03-08 04:24:45,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 04:24:45,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272765979] [2025-03-08 04:24:45,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-08 04:24:45,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 04:24:45,927 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 11 equivalence classes. [2025-03-08 04:24:45,978 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 30 of 46 statements. [2025-03-08 04:24:45,980 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-08 04:24:45,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-03-08 04:24:46,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 04:24:46,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272765979] [2025-03-08 04:24:46,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272765979] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 04:24:46,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087458883] [2025-03-08 04:24:46,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-08 04:24:46,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 04:24:46,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 04:24:46,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 04:24:46,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 04:24:46,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 11 equivalence classes. [2025-03-08 04:24:46,947 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 30 of 46 statements. [2025-03-08 04:24:46,947 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-08 04:24:46,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:24:46,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-08 04:24:46,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 04:24:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-08 04:24:47,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 04:24:47,696 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2025-03-08 04:24:47,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 30 [2025-03-08 04:24:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-08 04:24:47,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087458883] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 04:24:47,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 04:24:47,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 27 [2025-03-08 04:24:47,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112289968] [2025-03-08 04:24:47,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 04:24:47,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-08 04:24:47,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 04:24:47,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-08 04:24:47,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2025-03-08 04:24:47,789 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 27 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 26 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-08 04:24:48,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:24:48,137 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2025-03-08 04:24:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 04:24:48,137 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 26 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2025-03-08 04:24:48,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:24:48,138 INFO L225 Difference]: With dead ends: 42 [2025-03-08 04:24:48,138 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 04:24:48,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=1182, Unknown=0, NotChecked=0, Total=1332 [2025-03-08 04:24:48,139 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 04:24:48,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 113 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 04:24:48,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 04:24:48,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 04:24:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-03-08 04:24:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 04:24:48,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-03-08 04:24:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:24:48,141 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 04:24:48,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 26 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-08 04:24:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 04:24:48,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 04:24:48,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 04:24:48,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 04:24:48,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 04:24:48,349 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2025-03-08 04:24:48,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 04:24:48,456 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 04:24:48,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!base [2025-03-08 04:24:48,467 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!base [2025-03-08 04:24:48,468 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2025-03-08 04:24:48,468 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2025-03-08 04:24:48,468 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!base [2025-03-08 04:24:48,468 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!base [2025-03-08 04:24:48,469 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2025-03-08 04:24:48,469 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2025-03-08 04:24:48,469 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pa~0!base,]]] [2025-03-08 04:24:48,469 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pd2~0!offset [2025-03-08 04:24:48,469 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pa~0!offset [2025-03-08 04:24:48,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 04:24:48 BoogieIcfgContainer [2025-03-08 04:24:48,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 04:24:48,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 04:24:48,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 04:24:48,471 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 04:24:48,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:24:42" (3/4) ... [2025-03-08 04:24:48,473 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 04:24:48,477 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure get_dummy [2025-03-08 04:24:48,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-08 04:24:48,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 04:24:48,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 04:24:48,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 04:24:48,540 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 04:24:48,541 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 04:24:48,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 04:24:48,542 INFO L158 Benchmark]: Toolchain (without parser) took 6923.37ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 123.8MB in the beginning and 316.6MB in the end (delta: -192.8MB). Peak memory consumption was 307.6kB. Max. memory is 16.1GB. [2025-03-08 04:24:48,542 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 04:24:48,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.83ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 04:24:48,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.21ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 111.2MB in the end (delta: 742.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 04:24:48,543 INFO L158 Benchmark]: Boogie Preprocessor took 39.40ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 109.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 04:24:48,544 INFO L158 Benchmark]: IcfgBuilder took 351.82ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 95.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 04:24:48,544 INFO L158 Benchmark]: TraceAbstraction took 6273.36ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 95.9MB in the beginning and 324.8MB in the end (delta: -228.9MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. [2025-03-08 04:24:48,545 INFO L158 Benchmark]: Witness Printer took 70.28ms. Allocated memory is still 360.7MB. Free memory was 324.8MB in the beginning and 316.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 04:24:48,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.83ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.21ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 111.2MB in the end (delta: 742.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.40ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 109.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 351.82ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 95.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6273.36ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 95.9MB in the beginning and 324.8MB in the end (delta: -228.9MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. * Witness Printer took 70.28ms. Allocated memory is still 360.7MB. Free memory was 324.8MB in the beginning and 316.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#d2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~pa~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pd2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pa~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 50]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 34 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 418 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 449 IncrementalHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 94 mSDtfsCounter, 449 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=4, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 267 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 1978 SizeOfPredicates, 16 NumberOfNonLiveVariables, 497 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 376/495 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 04:24:48,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE