./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-33.i -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 cf462c69ab53d8bd054938ba0375925353699b3c48828163d51079382ad943c2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:03:42,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:03:42,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:03:42,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:03:42,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:03:42,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:03:42,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:03:42,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:03:42,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:03:42,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:03:42,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:03:42,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:03:42,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:03:42,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:03:42,873 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:03:42,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:03:42,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:03:42,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:03:42,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:03:42,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:03:42,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:03:42,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:03:42,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:03:42,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:03:42,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:03:42,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:03:42,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:03:42,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:03:42,882 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:03:42,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:03:42,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:03:42,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:03:42,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:03:42,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:03:42,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:03:42,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:03:42,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:03:42,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:03:42,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:03:42,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:03:42,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:03:42,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:03:42,887 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf462c69ab53d8bd054938ba0375925353699b3c48828163d51079382ad943c2 [2024-11-10 04:03:43,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:03:43,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:03:43,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:03:43,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:03:43,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:03:43,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-33.i [2024-11-10 04:03:44,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:03:45,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:03:45,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-33.i [2024-11-10 04:03:45,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5cbf3d7/6fbbbe4ab11e4adfbfadf2991a981ea8/FLAG5ef837bc6 [2024-11-10 04:03:45,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5cbf3d7/6fbbbe4ab11e4adfbfadf2991a981ea8 [2024-11-10 04:03:45,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:03:45,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:03:45,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:03:45,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:03:45,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:03:45,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:45,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6750c7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45, skipping insertion in model container [2024-11-10 04:03:45,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:45,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:03:45,683 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-33.i[915,928] [2024-11-10 04:03:45,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:03:45,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:03:45,811 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-33.i[915,928] [2024-11-10 04:03:45,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:03:45,884 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:03:45,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45 WrapperNode [2024-11-10 04:03:45,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:03:45,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:03:45,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:03:45,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:03:45,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:45,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:45,956 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2024-11-10 04:03:45,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:03:45,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:03:45,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:03:45,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:03:45,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:45,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:45,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 04:03:46,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:03:46,038 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:03:46,038 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:03:46,038 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:03:46,039 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (1/1) ... [2024-11-10 04:03:46,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:03:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:03:46,077 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) [2024-11-10 04:03:46,083 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 [2024-11-10 04:03:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:03:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:03:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:03:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:03:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:03:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:03:46,263 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:03:46,266 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:03:46,672 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L145: havoc property_#t~ite21#1;havoc property_#t~bitwise20#1; [2024-11-10 04:03:46,710 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-10 04:03:46,711 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:03:46,746 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:03:46,747 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:03:46,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:03:46 BoogieIcfgContainer [2024-11-10 04:03:46,748 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:03:46,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:03:46,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:03:46,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:03:46,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:03:45" (1/3) ... [2024-11-10 04:03:46,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117305a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:03:46, skipping insertion in model container [2024-11-10 04:03:46,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:03:45" (2/3) ... [2024-11-10 04:03:46,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117305a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:03:46, skipping insertion in model container [2024-11-10 04:03:46,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:03:46" (3/3) ... [2024-11-10 04:03:46,760 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-33.i [2024-11-10 04:03:46,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:03:46,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:03:46,848 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:03:46,854 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;@4c3696c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:03:46,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:03:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 04:03:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 04:03:46,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:03:46,875 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:03:46,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:03:46,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:03:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1458508900, now seen corresponding path program 1 times [2024-11-10 04:03:46,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:03:46,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718991553] [2024-11-10 04:03:46,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:03:46,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:03:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:03:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:03:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:03:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:03:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:03:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:03:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:03:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:03:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:03:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:03:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:03:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:03:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:03:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:03:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:03:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:03:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:03:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:03:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:03:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:03:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:03:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:03:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:03:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:03:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:03:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:03:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:03:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:03:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:03:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-10 04:03:47,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:03:47,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718991553] [2024-11-10 04:03:47,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718991553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:03:47,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:03:47,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 04:03:47,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732731364] [2024-11-10 04:03:47,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:03:47,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 04:03:47,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:03:47,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 04:03:47,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:03:47,480 INFO L87 Difference]: Start difference. First operand has 88 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-10 04:03:47,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:03:47,532 INFO L93 Difference]: Finished difference Result 168 states and 288 transitions. [2024-11-10 04:03:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 04:03:47,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 184 [2024-11-10 04:03:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:03:47,548 INFO L225 Difference]: With dead ends: 168 [2024-11-10 04:03:47,549 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 04:03:47,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:03:47,557 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:03:47,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:03:47,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 04:03:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-10 04:03:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 04:03:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 124 transitions. [2024-11-10 04:03:47,607 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 124 transitions. Word has length 184 [2024-11-10 04:03:47,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:03:47,608 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 124 transitions. [2024-11-10 04:03:47,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-10 04:03:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2024-11-10 04:03:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 04:03:47,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:03:47,614 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:03:47,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:03:47,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:03:47,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:03:47,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2110602149, now seen corresponding path program 1 times [2024-11-10 04:03:47,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:03:47,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124826507] [2024-11-10 04:03:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:03:47,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:03:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:03:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:03:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:03:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:03:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:03:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:03:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:03:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:03:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:03:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:03:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:03:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:03:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:03:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:03:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:03:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:03:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:03:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:03:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:03:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:03:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:03:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:03:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:03:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:03:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:03:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:03:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:03:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:03:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:03:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-10 04:03:48,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:03:48,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124826507] [2024-11-10 04:03:48,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124826507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:03:48,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:03:48,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:03:48,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935802069] [2024-11-10 04:03:48,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:03:48,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:03:48,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:03:48,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:03:48,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:03:48,924 INFO L87 Difference]: Start difference. First operand 83 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-10 04:03:49,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:03:49,296 INFO L93 Difference]: Finished difference Result 249 states and 375 transitions. [2024-11-10 04:03:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:03:49,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 184 [2024-11-10 04:03:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:03:49,300 INFO L225 Difference]: With dead ends: 249 [2024-11-10 04:03:49,300 INFO L226 Difference]: Without dead ends: 169 [2024-11-10 04:03:49,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:03:49,302 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 83 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:03:49,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 308 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 04:03:49,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-10 04:03:49,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 153. [2024-11-10 04:03:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 92 states have (on average 1.2608695652173914) internal successors, (116), 92 states have internal predecessors, (116), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 04:03:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 232 transitions. [2024-11-10 04:03:49,351 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 232 transitions. Word has length 184 [2024-11-10 04:03:49,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:03:49,353 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 232 transitions. [2024-11-10 04:03:49,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-10 04:03:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 232 transitions. [2024-11-10 04:03:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-10 04:03:49,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:03:49,361 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:03:49,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:03:49,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:03:49,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:03:49,361 INFO L85 PathProgramCache]: Analyzing trace with hash -861659427, now seen corresponding path program 1 times [2024-11-10 04:03:49,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:03:49,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754965633] [2024-11-10 04:03:49,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:03:49,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:03:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:03:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:03:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:03:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:03:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:03:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:03:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:03:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:03:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:03:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:03:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:03:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:03:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:03:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:03:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:03:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:03:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:03:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:03:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:03:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:03:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:03:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:03:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:03:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:03:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:03:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:03:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:03:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:03:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:03:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:03:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-10 04:03:49,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:03:49,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754965633] [2024-11-10 04:03:49,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754965633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:03:49,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:03:49,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:03:49,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604311058] [2024-11-10 04:03:49,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:03:49,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:03:49,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:03:49,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:03:49,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:03:49,790 INFO L87 Difference]: Start difference. First operand 153 states and 232 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-10 04:03:50,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:03:50,063 INFO L93 Difference]: Finished difference Result 258 states and 386 transitions. [2024-11-10 04:03:50,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:03:50,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185 [2024-11-10 04:03:50,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:03:50,067 INFO L225 Difference]: With dead ends: 258 [2024-11-10 04:03:50,067 INFO L226 Difference]: Without dead ends: 165 [2024-11-10 04:03:50,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:03:50,071 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 04:03:50,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 313 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 04:03:50,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-10 04:03:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 154. [2024-11-10 04:03:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 93 states have (on average 1.2473118279569892) internal successors, (116), 93 states have internal predecessors, (116), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 04:03:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 232 transitions. [2024-11-10 04:03:50,114 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 232 transitions. Word has length 185 [2024-11-10 04:03:50,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:03:50,115 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 232 transitions. [2024-11-10 04:03:50,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-10 04:03:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 232 transitions. [2024-11-10 04:03:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-10 04:03:50,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:03:50,121 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:03:50,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:03:50,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:03:50,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:03:50,122 INFO L85 PathProgramCache]: Analyzing trace with hash 694132006, now seen corresponding path program 1 times [2024-11-10 04:03:50,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:03:50,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053763374] [2024-11-10 04:03:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:03:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:03:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:04:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:04:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:04:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:04:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:04:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:04:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:04:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:04:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:04:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:04:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:04:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:04:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:04:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:04:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:04:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:04:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:04:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:04:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:04:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:04:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:04:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:04:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:04:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:04:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:04:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:04:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:04:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:04:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:04:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-10 04:04:04,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:04:04,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053763374] [2024-11-10 04:04:04,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053763374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:04:04,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:04:04,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 04:04:04,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877530477] [2024-11-10 04:04:04,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:04:04,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 04:04:04,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:04:04,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 04:04:04,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-10 04:04:04,633 INFO L87 Difference]: Start difference. First operand 154 states and 232 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-10 04:04:07,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:04:07,733 INFO L93 Difference]: Finished difference Result 408 states and 591 transitions. [2024-11-10 04:04:07,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 04:04:07,734 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 186 [2024-11-10 04:04:07,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:04:07,742 INFO L225 Difference]: With dead ends: 408 [2024-11-10 04:04:07,742 INFO L226 Difference]: Without dead ends: 328 [2024-11-10 04:04:07,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-10 04:04:07,748 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 284 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 04:04:07,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 1067 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 04:04:07,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-10 04:04:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 267. [2024-11-10 04:04:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 175 states have (on average 1.2742857142857142) internal successors, (223), 175 states have internal predecessors, (223), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-10 04:04:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 397 transitions. [2024-11-10 04:04:07,807 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 397 transitions. Word has length 186 [2024-11-10 04:04:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:04:07,811 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 397 transitions. [2024-11-10 04:04:07,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-10 04:04:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 397 transitions. [2024-11-10 04:04:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-10 04:04:07,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:04:07,816 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:04:07,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 04:04:07,816 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:04:07,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:04:07,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1102819353, now seen corresponding path program 1 times [2024-11-10 04:04:07,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:04:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176870339] [2024-11-10 04:04:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:04:07,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:04:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:04:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:04:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:04:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:04:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:04:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:04:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:04:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:04:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:04:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:04:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:04:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:04:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:04:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:04:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:04:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:04:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:04:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:04:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:04:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:04:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:04:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:04:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:04:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:04:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:04:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:04:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:04:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:04:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:04:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-10 04:04:12,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:04:12,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176870339] [2024-11-10 04:04:12,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176870339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 04:04:12,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639393] [2024-11-10 04:04:12,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:04:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:04:12,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:04:12,985 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) [2024-11-10 04:04:12,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 04:04:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:04:13,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-10 04:04:13,156 INFO L278 TraceCheckSpWp]: Computing forward predicates...