./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f2b4a06eafce2211209c241f80b4923a38678cc2a6ff4b8235036176d9e38b73 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:53:32,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:53:32,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:53:32,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:53:32,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:53:32,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:53:32,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:53:32,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:53:32,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:53:32,812 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:53:32,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:53:32,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:53:32,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:53:32,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:53:32,814 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:53:32,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:53:32,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:53:32,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:53:32,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:53:32,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:53:32,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:53:32,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:53:32,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:53:32,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:53:32,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:53:32,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:53:32,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:53:32,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:53:32,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:53:32,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:53:32,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:53:32,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:53:32,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:53:32,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:53:32,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:53:32,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:53:32,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:53:32,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:53:32,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:53:32,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:53:32,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:53:32,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:53:32,826 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2b4a06eafce2211209c241f80b4923a38678cc2a6ff4b8235036176d9e38b73 [2024-10-11 07:53:33,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:53:33,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:53:33,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:53:33,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:53:33,147 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:53:33,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-10-11 07:53:34,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:53:34,949 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:53:34,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-10-11 07:53:34,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b46f93407/c5a63540f9084277a926cc9c706979de/FLAG437122194 [2024-10-11 07:53:35,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b46f93407/c5a63540f9084277a926cc9c706979de [2024-10-11 07:53:35,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:53:35,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:53:35,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:53:35,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:53:35,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:53:35,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574d40fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35, skipping insertion in model container [2024-10-11 07:53:35,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:53:35,517 WARN L248 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-100_file-33.i[916,929] [2024-10-11 07:53:35,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:53:35,707 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:53:35,720 WARN L248 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-100_file-33.i[916,929] [2024-10-11 07:53:35,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:53:35,789 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:53:35,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35 WrapperNode [2024-10-11 07:53:35,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:53:35,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:53:35,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:53:35,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:53:35,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,875 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-10-11 07:53:35,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:53:35,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:53:35,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:53:35,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:53:35,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,953 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]. [2024-10-11 07:53:35,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:35,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:36,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:53:36,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:53:36,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:53:36,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:53:36,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (1/1) ... [2024-10-11 07:53:36,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:53:36,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:53:36,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:53:36,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:53:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:53:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:53:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:53:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:53:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:53:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:53:36,240 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:53:36,242 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:53:37,021 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-11 07:53:37,021 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:53:37,078 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:53:37,080 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:53:37,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:53:37 BoogieIcfgContainer [2024-10-11 07:53:37,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:53:37,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:53:37,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:53:37,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:53:37,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:53:35" (1/3) ... [2024-10-11 07:53:37,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587b54f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:53:37, skipping insertion in model container [2024-10-11 07:53:37,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:35" (2/3) ... [2024-10-11 07:53:37,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587b54f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:53:37, skipping insertion in model container [2024-10-11 07:53:37,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:53:37" (3/3) ... [2024-10-11 07:53:37,092 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-10-11 07:53:37,111 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:53:37,111 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:53:37,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:53:37,198 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;@33f034c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:53:37,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:53:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-11 07:53:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-10-11 07:53:37,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:37,236 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:37,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:37,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:37,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1468658552, now seen corresponding path program 1 times [2024-10-11 07:53:37,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:37,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722015608] [2024-10-11 07:53:37,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:37,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:37,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:53:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 07:53:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 07:53:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 07:53:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 07:53:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 07:53:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 07:53:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:53:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:53:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 07:53:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 07:53:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 07:53:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 07:53:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 07:53:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:53:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 07:53:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:53:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:53:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:53:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:53:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:53:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:53:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:53:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:53:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:53:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:53:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:53:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 07:53:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:53:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 07:53:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:53:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 07:53:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:53:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:53:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:53:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:53:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:53:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:53:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:53:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:53:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:53:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:53:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:53:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:53:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:53:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:53:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:53:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:53:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:53:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:53:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:53:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:53:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:53:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 07:53:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:53:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:53:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-11 07:53:38,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:53:38,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722015608] [2024-10-11 07:53:38,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722015608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:53:38,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:53:38,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:53:38,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100453732] [2024-10-11 07:53:38,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:53:38,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:53:38,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:53:38,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:53:38,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:53:38,432 INFO L87 Difference]: Start difference. First operand has 145 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-11 07:53:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:53:38,519 INFO L93 Difference]: Finished difference Result 285 states and 530 transitions. [2024-10-11 07:53:38,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:53:38,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 336 [2024-10-11 07:53:38,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:53:38,541 INFO L225 Difference]: With dead ends: 285 [2024-10-11 07:53:38,541 INFO L226 Difference]: Without dead ends: 141 [2024-10-11 07:53:38,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:53:38,551 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:53:38,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 226 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:53:38,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-11 07:53:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-11 07:53:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-11 07:53:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 229 transitions. [2024-10-11 07:53:38,618 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 229 transitions. Word has length 336 [2024-10-11 07:53:38,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:53:38,621 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 229 transitions. [2024-10-11 07:53:38,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-11 07:53:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 229 transitions. [2024-10-11 07:53:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-10-11 07:53:38,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:38,633 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:38,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:53:38,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:38,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:38,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1525916854, now seen corresponding path program 1 times [2024-10-11 07:53:38,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:38,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221532063] [2024-10-11 07:53:38,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:38,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:53:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 07:53:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 07:53:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 07:53:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 07:53:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 07:53:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 07:53:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:53:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:53:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 07:53:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 07:53:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 07:53:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 07:53:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 07:53:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:53:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 07:53:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:53:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:53:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:53:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:53:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:53:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:53:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:53:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:53:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:53:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:53:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:53:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 07:53:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:53:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 07:53:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:53:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 07:53:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:53:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:53:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:53:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:53:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:53:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:53:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:53:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:53:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:53:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:53:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:53:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:53:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:53:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:53:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:53:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:53:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:53:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:53:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:53:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:53:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:53:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 07:53:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:53:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:53:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-11 07:53:40,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:53:40,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221532063] [2024-10-11 07:53:40,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221532063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:53:40,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:53:40,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:53:40,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811297969] [2024-10-11 07:53:40,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:53:40,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:53:40,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:53:40,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:53:40,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:53:40,388 INFO L87 Difference]: Start difference. First operand 141 states and 229 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-11 07:53:40,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:53:40,984 INFO L93 Difference]: Finished difference Result 426 states and 693 transitions. [2024-10-11 07:53:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:53:40,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 336 [2024-10-11 07:53:40,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:53:40,994 INFO L225 Difference]: With dead ends: 426 [2024-10-11 07:53:40,994 INFO L226 Difference]: Without dead ends: 286 [2024-10-11 07:53:41,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:53:41,001 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 167 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 07:53:41,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 627 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 07:53:41,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-11 07:53:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 273. [2024-10-11 07:53:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 158 states have (on average 1.4050632911392404) internal successors, (222), 158 states have internal predecessors, (222), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-11 07:53:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 446 transitions. [2024-10-11 07:53:41,116 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 446 transitions. Word has length 336 [2024-10-11 07:53:41,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:53:41,118 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 446 transitions. [2024-10-11 07:53:41,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-11 07:53:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 446 transitions. [2024-10-11 07:53:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-11 07:53:41,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:41,127 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:41,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:53:41,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:41,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:41,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1447785154, now seen corresponding path program 1 times [2024-10-11 07:53:41,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114797980] [2024-10-11 07:53:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:53:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 07:53:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 07:53:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 07:53:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 07:53:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 07:53:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 07:53:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:53:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:53:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 07:53:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 07:53:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 07:53:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 07:53:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 07:53:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:53:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 07:53:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:53:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:53:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:53:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:53:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:53:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:53:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:53:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:53:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:53:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:53:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:53:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 07:53:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:53:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 07:53:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:53:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 07:53:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:53:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:53:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:53:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:53:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:53:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:53:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:53:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:53:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:53:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:53:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:53:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:53:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:53:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:53:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:53:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:53:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:53:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:53:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:53:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:53:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:53:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 07:53:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:53:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:53:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-11 07:53:41,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:53:41,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114797980] [2024-10-11 07:53:41,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114797980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:53:41,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:53:41,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:53:41,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406560878] [2024-10-11 07:53:41,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:53:41,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:53:41,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:53:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:53:41,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:53:41,778 INFO L87 Difference]: Start difference. First operand 273 states and 446 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-11 07:53:42,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:53:42,110 INFO L93 Difference]: Finished difference Result 435 states and 704 transitions. [2024-10-11 07:53:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:53:42,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 337 [2024-10-11 07:53:42,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:53:42,115 INFO L225 Difference]: With dead ends: 435 [2024-10-11 07:53:42,115 INFO L226 Difference]: Without dead ends: 282 [2024-10-11 07:53:42,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:53:42,117 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 164 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 07:53:42,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 632 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 07:53:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-10-11 07:53:42,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2024-10-11 07:53:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 159 states have (on average 1.3962264150943395) internal successors, (222), 159 states have internal predecessors, (222), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-11 07:53:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 446 transitions. [2024-10-11 07:53:42,169 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 446 transitions. Word has length 337 [2024-10-11 07:53:42,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:53:42,171 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 446 transitions. [2024-10-11 07:53:42,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-11 07:53:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 446 transitions. [2024-10-11 07:53:42,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-10-11 07:53:42,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:42,178 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:42,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:53:42,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:42,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash 94088525, now seen corresponding path program 1 times [2024-10-11 07:53:42,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:42,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892062547] [2024-10-11 07:53:42,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:42,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat