./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_codestructure_steplocals_file-64.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_codestructure_steplocals_file-64.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 f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:34:57,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:34:57,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:34:57,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:34:57,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:34:57,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:34:57,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:34:57,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:34:57,595 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:34:57,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:34:57,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:34:57,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:34:57,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:34:57,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:34:57,599 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:34:57,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:34:57,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:34:57,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:34:57,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:34:57,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:34:57,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:34:57,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:34:57,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:34:57,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:34:57,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:34:57,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:34:57,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:34:57,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:34:57,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:34:57,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:34:57,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:34:57,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:34:57,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:34:57,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:34:57,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:34:57,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:34:57,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:34:57,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:34:57,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:34:57,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:34:57,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:34:57,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:34:57,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 [2024-10-11 07:34:57,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:34:57,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:34:57,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:34:57,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:34:57,888 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:34:57,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-10-11 07:34:59,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:34:59,679 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:34:59,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-10-11 07:34:59,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/98507d2ce/dfdc8c2eaff4407cb46d04a93862ce16/FLAG406d3e4db [2024-10-11 07:35:00,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/98507d2ce/dfdc8c2eaff4407cb46d04a93862ce16 [2024-10-11 07:35:00,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:35:00,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:35:00,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:35:00,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:35:00,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:35:00,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be2b780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00, skipping insertion in model container [2024-10-11 07:35:00,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:35:00,255 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_codestructure_steplocals_file-64.i[917,930] [2024-10-11 07:35:00,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:35:00,323 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:35:00,336 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_codestructure_steplocals_file-64.i[917,930] [2024-10-11 07:35:00,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:35:00,383 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:35:00,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00 WrapperNode [2024-10-11 07:35:00,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:35:00,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:35:00,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:35:00,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:35:00,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,429 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2024-10-11 07:35:00,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:35:00,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:35:00,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:35:00,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:35:00,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,462 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 07:35:00,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:35:00,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:35:00,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:35:00,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:35:00,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (1/1) ... [2024-10-11 07:35:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:35:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:35:00,528 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 07:35:00,535 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 07:35:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:35:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:35:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:35:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:35:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:35:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:35:00,697 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:35:00,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:35:01,041 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 07:35:01,041 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:35:01,096 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:35:01,097 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:35:01,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:35:01 BoogieIcfgContainer [2024-10-11 07:35:01,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:35:01,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:35:01,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:35:01,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:35:01,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:35:00" (1/3) ... [2024-10-11 07:35:01,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e4f9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:35:01, skipping insertion in model container [2024-10-11 07:35:01,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:35:00" (2/3) ... [2024-10-11 07:35:01,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e4f9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:35:01, skipping insertion in model container [2024-10-11 07:35:01,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:35:01" (3/3) ... [2024-10-11 07:35:01,108 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-64.i [2024-10-11 07:35:01,123 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:35:01,124 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:35:01,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:35:01,201 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;@2c903208, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:35:01,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:35:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 07:35:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-11 07:35:01,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:35:01,239 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:01,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:35:01,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:35:01,248 INFO L85 PathProgramCache]: Analyzing trace with hash 976339186, now seen corresponding path program 1 times [2024-10-11 07:35:01,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:35:01,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739887108] [2024-10-11 07:35:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:35:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:35:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:35:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:35:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:35:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:35:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:35:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:35:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:35:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:35:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:35:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:35:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:35:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:35:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:35:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:35:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:35:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:35:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:35:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:35:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:35:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:35:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:35:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:35:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:35:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:35:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:35:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:35:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:35:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:35:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:35:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:35:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:35:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:35:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:35:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:35:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:35:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:35:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:35:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:35:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:35:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:35:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:35:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:35:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:35:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:35:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 07:35:01,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:35:01,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739887108] [2024-10-11 07:35:01,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739887108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:35:01,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:35:01,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:35:01,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804914793] [2024-10-11 07:35:01,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:35:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:35:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:35:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:35:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:35:02,027 INFO L87 Difference]: Start difference. First operand has 98 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 07:35:02,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:35:02,095 INFO L93 Difference]: Finished difference Result 193 states and 354 transitions. [2024-10-11 07:35:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:35:02,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 260 [2024-10-11 07:35:02,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:35:02,112 INFO L225 Difference]: With dead ends: 193 [2024-10-11 07:35:02,113 INFO L226 Difference]: Without dead ends: 96 [2024-10-11 07:35:02,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 07:35:02,126 INFO L432 NwaCegarLoop]: 148 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, 148 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 07:35:02,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:35:02,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-11 07:35:02,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-11 07:35:02,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 07:35:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2024-10-11 07:35:02,189 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 260 [2024-10-11 07:35:02,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:35:02,190 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2024-10-11 07:35:02,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 07:35:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2024-10-11 07:35:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-11 07:35:02,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:35:02,200 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:02,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:35:02,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:35:02,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:35:02,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1271322866, now seen corresponding path program 1 times [2024-10-11 07:35:02,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:35:02,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642600724] [2024-10-11 07:35:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:35:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:35:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:35:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:35:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:35:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:35:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:35:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:35:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:35:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:35:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:35:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:35:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:35:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:35:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:35:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:35:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:35:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:35:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:35:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:35:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:35:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:35:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:35:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:35:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:35:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:35:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:35:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:35:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:35:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:35:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:35:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:35:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:35:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:35:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:35:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:35:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:35:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:35:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:35:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:35:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:35:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:35:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:35:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:35:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:35:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:35:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 07:35:03,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:35:03,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642600724] [2024-10-11 07:35:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642600724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:35:03,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:35:03,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:35:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135141158] [2024-10-11 07:35:03,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:35:03,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:35:03,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:35:03,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:35:03,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:35:03,589 INFO L87 Difference]: Start difference. First operand 96 states and 151 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 07:35:03,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:35:03,849 INFO L93 Difference]: Finished difference Result 213 states and 332 transitions. [2024-10-11 07:35:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:35:03,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 260 [2024-10-11 07:35:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:35:03,857 INFO L225 Difference]: With dead ends: 213 [2024-10-11 07:35:03,858 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 07:35:03,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 07:35:03,860 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 51 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:35:03,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 507 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 07:35:03,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 07:35:03,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 109. [2024-10-11 07:35:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 07:35:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 171 transitions. [2024-10-11 07:35:03,880 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 171 transitions. Word has length 260 [2024-10-11 07:35:03,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:35:03,884 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 171 transitions. [2024-10-11 07:35:03,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 07:35:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2024-10-11 07:35:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-11 07:35:03,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:35:03,893 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:03,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:35:03,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:35:03,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:35:03,894 INFO L85 PathProgramCache]: Analyzing trace with hash 657529330, now seen corresponding path program 1 times [2024-10-11 07:35:03,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:35:03,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18838343] [2024-10-11 07:35:03,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:35:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:35:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:35:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:35:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:35:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:35:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:35:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:35:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:35:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:35:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:35:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:35:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:35:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:35:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:35:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:35:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:35:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:35:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:35:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:35:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:35:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:35:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:35:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:35:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:35:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:35:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:35:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:35:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:35:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:35:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:35:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:35:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:35:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:35:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:35:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:35:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:35:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:35:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:35:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:35:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:35:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:35:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:35:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:35:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:35:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:35:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 07:35:04,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:35:04,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18838343] [2024-10-11 07:35:04,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18838343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:35:04,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:35:04,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:35:04,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769267821] [2024-10-11 07:35:04,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:35:04,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:35:04,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:35:04,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:35:04,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:35:04,312 INFO L87 Difference]: Start difference. First operand 109 states and 171 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 07:35:04,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:35:04,462 INFO L93 Difference]: Finished difference Result 248 states and 382 transitions. [2024-10-11 07:35:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:35:04,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 260 [2024-10-11 07:35:04,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:35:04,465 INFO L225 Difference]: With dead ends: 248 [2024-10-11 07:35:04,465 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 07:35:04,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 07:35:04,468 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 51 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:35:04,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 585 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:35:04,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 07:35:04,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2024-10-11 07:35:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 07:35:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 171 transitions. [2024-10-11 07:35:04,492 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 171 transitions. Word has length 260 [2024-10-11 07:35:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:35:04,493 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 171 transitions. [2024-10-11 07:35:04,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 07:35:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2024-10-11 07:35:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-11 07:35:04,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:35:04,498 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:04,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:35:04,498 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:35:04,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:35:04,499 INFO L85 PathProgramCache]: Analyzing trace with hash -622334348, now seen corresponding path program 1 times [2024-10-11 07:35:04,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:35:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473883004] [2024-10-11 07:35:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:35:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:35:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:35:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:35:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:35:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:35:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:35:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:35:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:35:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:35:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:35:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:35:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:35:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:35:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:35:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:35:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:35:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:35:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:35:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:35:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:35:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:35:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:35:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:35:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 07:35:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:35:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 07:35:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:35:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 07:35:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:35:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 07:35:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:35:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 07:35:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:35:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 07:35:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:35:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 07:35:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:35:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:35:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:35:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:35:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 07:35:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 07:35:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 07:35:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 07:35:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:35:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:35:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 07:35:04,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:35:04,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473883004] [2024-10-11 07:35:04,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473883004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:35:04,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:35:04,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:35:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704355529] [2024-10-11 07:35:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:35:04,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:35:04,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:35:04,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:35:04,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:35:04,857 INFO L87 Difference]: Start difference. First operand 109 states and 171 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 07:35:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:35:04,993 INFO L93 Difference]: Finished difference Result 248 states and 381 transitions. [2024-10-11 07:35:04,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:35:04,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 260 [2024-10-11 07:35:04,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:35:04,998 INFO L225 Difference]: With dead ends: 248 [2024-10-11 07:35:04,998 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 07:35:05,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 07:35:05,004 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 50 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:35:05,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 639 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:35:05,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 07:35:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 96. [2024-10-11 07:35:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 07:35:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 150 transitions. [2024-10-11 07:35:05,023 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 150 transitions. Word has length 260 [2024-10-11 07:35:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:35:05,024 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 150 transitions. [2024-10-11 07:35:05,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 07:35:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2024-10-11 07:35:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-11 07:35:05,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:35:05,028 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:05,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:35:05,028 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:35:05,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:35:05,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1564982231, now seen corresponding path program 1 times [2024-10-11 07:35:05,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:35:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818627347] [2024-10-11 07:35:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:35:05,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:35:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat