./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_fillercodestructure_filler-pe-co_file-50.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_fillercodestructure_filler-pe-co_file-50.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 1d54cda1e1849769fc331dfdba9fcfb2e9b4fcf52bd0d43d6f8a699ed6598582 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:18:56,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:18:56,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:18:56,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:18:56,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:18:56,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:18:56,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:18:56,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:18:56,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:18:56,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:18:56,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:18:56,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:18:56,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:18:56,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:18:56,207 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:18:56,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:18:56,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:18:56,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:18:56,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:18:56,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:18:56,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:18:56,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:18:56,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:18:56,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:18:56,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:18:56,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:18:56,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:18:56,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:18:56,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:18:56,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:18:56,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:18:56,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:18:56,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:18:56,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:18:56,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:18:56,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:18:56,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:18:56,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:18:56,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:18:56,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:18:56,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:18:56,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:18:56,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d54cda1e1849769fc331dfdba9fcfb2e9b4fcf52bd0d43d6f8a699ed6598582 [2024-10-11 09:18:56,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:18:56,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:18:56,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:18:56,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:18:56,477 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:18:56,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i [2024-10-11 09:18:57,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:18:57,905 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:18:57,905 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i [2024-10-11 09:18:57,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/881ae8dad/3939526e9dc04f29b64312ae2a97aeaa/FLAGdd7808511 [2024-10-11 09:18:58,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/881ae8dad/3939526e9dc04f29b64312ae2a97aeaa [2024-10-11 09:18:58,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:18:58,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:18:58,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:18:58,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:18:58,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:18:58,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572db992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58, skipping insertion in model container [2024-10-11 09:18:58,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:18:58,457 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_fillercodestructure_filler-pe-co_file-50.i[919,932] [2024-10-11 09:18:58,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:18:58,551 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:18:58,561 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_fillercodestructure_filler-pe-co_file-50.i[919,932] [2024-10-11 09:18:58,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:18:58,632 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:18:58,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58 WrapperNode [2024-10-11 09:18:58,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:18:58,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:18:58,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:18:58,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:18:58,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,715 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244 [2024-10-11 09:18:58,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:18:58,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:18:58,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:18:58,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:18:58,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,756 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 09:18:58,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:18:58,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:18:58,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:18:58,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:18:58,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (1/1) ... [2024-10-11 09:18:58,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:18:58,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:18:58,828 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 09:18:58,832 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 09:18:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:18:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:18:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:18:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:18:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:18:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:18:58,997 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:18:59,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:18:59,384 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-11 09:18:59,384 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:18:59,425 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:18:59,426 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:18:59,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:18:59 BoogieIcfgContainer [2024-10-11 09:18:59,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:18:59,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:18:59,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:18:59,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:18:59,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:18:58" (1/3) ... [2024-10-11 09:18:59,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2430f447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:18:59, skipping insertion in model container [2024-10-11 09:18:59,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:18:58" (2/3) ... [2024-10-11 09:18:59,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2430f447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:18:59, skipping insertion in model container [2024-10-11 09:18:59,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:18:59" (3/3) ... [2024-10-11 09:18:59,435 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i [2024-10-11 09:18:59,450 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:18:59,450 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:18:59,515 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:18:59,523 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;@2b64e132, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:18:59,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:18:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 09:18:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 09:18:59,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:18:59,549 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:18:59,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:18:59,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:18:59,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1950397987, now seen corresponding path program 1 times [2024-10-11 09:18:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:18:59,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409800821] [2024-10-11 09:18:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:18:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:18:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 09:19:00,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:00,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409800821] [2024-10-11 09:19:00,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409800821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:19:00,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:19:00,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:19:00,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806629843] [2024-10-11 09:19:00,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:19:00,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:19:00,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:19:00,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:19:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:19:00,291 INFO L87 Difference]: Start difference. First operand has 102 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:00,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:19:00,397 INFO L93 Difference]: Finished difference Result 297 states and 545 transitions. [2024-10-11 09:19:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:19:00,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-11 09:19:00,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:19:00,408 INFO L225 Difference]: With dead ends: 297 [2024-10-11 09:19:00,408 INFO L226 Difference]: Without dead ends: 196 [2024-10-11 09:19:00,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:19:00,415 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 141 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:19:00,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 292 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:19:00,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-11 09:19:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 109. [2024-10-11 09:19:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 09:19:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 168 transitions. [2024-10-11 09:19:00,465 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 168 transitions. Word has length 222 [2024-10-11 09:19:00,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:19:00,468 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 168 transitions. [2024-10-11 09:19:00,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2024-10-11 09:19:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 09:19:00,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:19:00,495 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:00,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:19:00,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:19:00,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:19:00,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1363591973, now seen corresponding path program 1 times [2024-10-11 09:19:00,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:19:00,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204257398] [2024-10-11 09:19:00,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:00,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:19:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 09:19:00,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:00,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204257398] [2024-10-11 09:19:00,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204257398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:19:00,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:19:00,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:19:00,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554855708] [2024-10-11 09:19:00,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:19:00,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:19:00,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:19:00,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:19:00,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:19:00,794 INFO L87 Difference]: Start difference. First operand 109 states and 168 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:19:00,839 INFO L93 Difference]: Finished difference Result 218 states and 337 transitions. [2024-10-11 09:19:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:19:00,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-11 09:19:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:19:00,843 INFO L225 Difference]: With dead ends: 218 [2024-10-11 09:19:00,844 INFO L226 Difference]: Without dead ends: 110 [2024-10-11 09:19:00,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:19:00,846 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:19:00,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:19:00,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-11 09:19:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-11 09:19:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 73 states have (on average 1.356164383561644) internal successors, (99), 73 states have internal predecessors, (99), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 09:19:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 169 transitions. [2024-10-11 09:19:00,857 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 169 transitions. Word has length 222 [2024-10-11 09:19:00,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:19:00,858 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 169 transitions. [2024-10-11 09:19:00,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 169 transitions. [2024-10-11 09:19:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 09:19:00,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:19:00,863 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:00,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:19:00,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:19:00,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:19:00,865 INFO L85 PathProgramCache]: Analyzing trace with hash -688746566, now seen corresponding path program 1 times [2024-10-11 09:19:00,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:19:00,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104361327] [2024-10-11 09:19:00,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:00,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:19:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 09:19:01,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:01,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104361327] [2024-10-11 09:19:01,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104361327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:19:01,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:19:01,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:19:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608031220] [2024-10-11 09:19:01,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:19:01,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:19:01,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:19:01,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:19:01,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:19:01,188 INFO L87 Difference]: Start difference. First operand 110 states and 169 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:01,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:19:01,430 INFO L93 Difference]: Finished difference Result 307 states and 472 transitions. [2024-10-11 09:19:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:19:01,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-10-11 09:19:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:19:01,433 INFO L225 Difference]: With dead ends: 307 [2024-10-11 09:19:01,435 INFO L226 Difference]: Without dead ends: 198 [2024-10-11 09:19:01,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 09:19:01,437 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 145 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:19:01,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 341 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:19:01,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-11 09:19:01,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 110. [2024-10-11 09:19:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 09:19:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 168 transitions. [2024-10-11 09:19:01,450 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 168 transitions. Word has length 223 [2024-10-11 09:19:01,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:19:01,450 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 168 transitions. [2024-10-11 09:19:01,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 168 transitions. [2024-10-11 09:19:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 09:19:01,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:19:01,453 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:01,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:19:01,454 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:19:01,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:19:01,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1612076024, now seen corresponding path program 1 times [2024-10-11 09:19:01,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:19:01,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724252495] [2024-10-11 09:19:01,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:01,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:19:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 21 proven. 81 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-10-11 09:19:02,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:02,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724252495] [2024-10-11 09:19:02,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724252495] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 09:19:02,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288043339] [2024-10-11 09:19:02,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:02,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:19:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:19:02,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:19:02,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 09:19:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:02,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 09:19:02,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 09:19:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1305 proven. 93 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-10-11 09:19:03,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 09:19:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 105 proven. 96 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2024-10-11 09:19:03,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288043339] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 09:19:03,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 09:19:03,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 12] total 23 [2024-10-11 09:19:03,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949486719] [2024-10-11 09:19:03,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 09:19:03,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 09:19:03,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:19:03,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 09:19:03,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2024-10-11 09:19:03,901 INFO L87 Difference]: Start difference. First operand 110 states and 168 transitions. Second operand has 23 states, 22 states have (on average 5.181818181818182) internal successors, (114), 23 states have internal predecessors, (114), 7 states have call successors, (80), 3 states have call predecessors, (80), 7 states have return successors, (81), 6 states have call predecessors, (81), 7 states have call successors, (81) [2024-10-11 09:19:06,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:19:06,334 INFO L93 Difference]: Finished difference Result 406 states and 584 transitions. [2024-10-11 09:19:06,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-11 09:19:06,335 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.181818181818182) internal successors, (114), 23 states have internal predecessors, (114), 7 states have call successors, (80), 3 states have call predecessors, (80), 7 states have return successors, (81), 6 states have call predecessors, (81), 7 states have call successors, (81) Word has length 223 [2024-10-11 09:19:06,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:19:06,337 INFO L225 Difference]: With dead ends: 406 [2024-10-11 09:19:06,337 INFO L226 Difference]: Without dead ends: 297 [2024-10-11 09:19:06,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1104, Invalid=3866, Unknown=0, NotChecked=0, Total=4970 [2024-10-11 09:19:06,340 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 972 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:19:06,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 974 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 09:19:06,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-11 09:19:06,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 265. [2024-10-11 09:19:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 167 states have (on average 1.2395209580838322) internal successors, (207), 169 states have internal predecessors, (207), 86 states have call successors, (86), 11 states have call predecessors, (86), 11 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 09:19:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 379 transitions. [2024-10-11 09:19:06,386 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 379 transitions. Word has length 223 [2024-10-11 09:19:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:19:06,388 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 379 transitions. [2024-10-11 09:19:06,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.181818181818182) internal successors, (114), 23 states have internal predecessors, (114), 7 states have call successors, (80), 3 states have call predecessors, (80), 7 states have return successors, (81), 6 states have call predecessors, (81), 7 states have call successors, (81) [2024-10-11 09:19:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 379 transitions. [2024-10-11 09:19:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 09:19:06,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:19:06,391 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:06,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 09:19:06,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:19:06,593 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:19:06,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:19:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1358873852, now seen corresponding path program 1 times [2024-10-11 09:19:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:19:06,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873570764] [2024-10-11 09:19:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:06,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:19:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 09:19:06,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:06,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873570764] [2024-10-11 09:19:06,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873570764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:19:06,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:19:06,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:19:06,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395726080] [2024-10-11 09:19:06,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:19:06,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:19:06,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:19:06,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:19:06,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:19:06,828 INFO L87 Difference]: Start difference. First operand 265 states and 379 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:06,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:19:06,899 INFO L93 Difference]: Finished difference Result 693 states and 993 transitions. [2024-10-11 09:19:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:19:06,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-10-11 09:19:06,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:19:06,904 INFO L225 Difference]: With dead ends: 693 [2024-10-11 09:19:06,904 INFO L226 Difference]: Without dead ends: 462 [2024-10-11 09:19:06,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 09:19:06,906 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 126 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:19:06,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 642 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:19:06,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-10-11 09:19:06,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 291. [2024-10-11 09:19:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 193 states have (on average 1.2797927461139897) internal successors, (247), 195 states have internal predecessors, (247), 86 states have call successors, (86), 11 states have call predecessors, (86), 11 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 09:19:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 419 transitions. [2024-10-11 09:19:06,947 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 419 transitions. Word has length 223 [2024-10-11 09:19:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:19:06,948 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 419 transitions. [2024-10-11 09:19:06,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 419 transitions. [2024-10-11 09:19:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 09:19:06,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:19:06,951 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:06,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:19:06,952 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:19:06,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:19:06,952 INFO L85 PathProgramCache]: Analyzing trace with hash 347756602, now seen corresponding path program 1 times [2024-10-11 09:19:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:19:06,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584433112] [2024-10-11 09:19:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:06,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:19:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 09:19:07,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:07,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584433112] [2024-10-11 09:19:07,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584433112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:19:07,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:19:07,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:19:07,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876413922] [2024-10-11 09:19:07,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:19:07,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:19:07,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:19:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:19:07,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:19:07,195 INFO L87 Difference]: Start difference. First operand 291 states and 419 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:19:07,360 INFO L93 Difference]: Finished difference Result 548 states and 790 transitions. [2024-10-11 09:19:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:19:07,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-10-11 09:19:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:19:07,363 INFO L225 Difference]: With dead ends: 548 [2024-10-11 09:19:07,363 INFO L226 Difference]: Without dead ends: 291 [2024-10-11 09:19:07,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 09:19:07,364 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 145 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:19:07,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 202 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:19:07,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-11 09:19:07,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-10-11 09:19:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 193 states have (on average 1.2694300518134716) internal successors, (245), 195 states have internal predecessors, (245), 86 states have call successors, (86), 11 states have call predecessors, (86), 11 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 09:19:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 417 transitions. [2024-10-11 09:19:07,406 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 417 transitions. Word has length 223 [2024-10-11 09:19:07,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:19:07,407 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 417 transitions. [2024-10-11 09:19:07,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 09:19:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 417 transitions. [2024-10-11 09:19:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 09:19:07,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:19:07,410 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:07,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:19:07,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:19:07,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:19:07,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1646388104, now seen corresponding path program 1 times [2024-10-11 09:19:07,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:19:07,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643426845] [2024-10-11 09:19:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:19:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:19:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:19:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:19:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:19:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:19:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:19:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:19:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:19:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:19:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:19:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:19:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:19:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:19:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:19:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:19:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:19:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:19:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:19:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:19:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:19:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:19:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:19:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:19:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:19:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:19:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:19:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:19:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:19:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:19:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:19:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:19:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:19:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:19:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:19:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:19:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 21 proven. 81 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-10-11 09:19:08,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:19:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643426845] [2024-10-11 09:19:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643426845] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 09:19:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189873339] [2024-10-11 09:19:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:19:08,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:19:08,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:19:08,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:19:08,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 09:19:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:19:08,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 09:19:08,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 09:19:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1511 proven. 237 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-10-11 09:19:10,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 09:19:18,104 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 44 DAG size of output: 40 (called from [L 188] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne) [2024-10-11 09:19:26,374 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 115 DAG size of output: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-11 09:19:38,078 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 09:19:52,327 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_~var_1_26~0 256))) (let ((.cse9 (* .cse2 65535))) (let ((.cse8 (mod (+ 65511 .cse9 c_~var_1_18~0) 65536))) (let ((.cse0 (mod (+ c_~var_1_26~0 c_~var_1_27~0) 256)) (.cse3 (* 65535 .cse8)) (.cse4 (* (- 1) .cse2)) (.cse1 (* 65535 (mod (+ .cse9 231 c_~var_1_18~0) 65536))) (.cse7 (mod (+ 4294901762 .cse8) 4294967296))) (or (and (or (< 127 (mod c_~var_1_27~0 256)) (not (= |c_assume_abort_if_not_#in~cond| 1))) (not (= |c_assume_abort_if_not_#in~cond| 0))) (< .cse0 1) (and (<= .cse1 (+ .cse2 4294770433 (* 65536 (div (+ .cse1 (- 4294770435)) 65536)))) (<= .cse1 (+ (* 256 (div (+ (- 4294770563) .cse1) 256)) 4294770690))) (and (<= .cse3 (+ (* 65536 (div (+ .cse3 (- 4294901505) .cse4) 65536)) 4294901760)) (<= .cse3 (+ 4294901760 (* (div (+ .cse3 (- 4294901633)) 256) 256)))) (let ((.cse5 (mod (+ 65511 (* 65535 .cse0) c_~var_1_18~0) 65536))) (and (not (= (mod (+ 4294901762 .cse5) 4294967296) 0)) (not (= .cse5 0)))) (and (<= .cse3 (+ (* 256 (div (+ .cse3 (- 4294770563)) 256)) 4294770690)) (let ((.cse6 (* 65535 .cse7))) (<= .cse6 (+ (* 65536 (div (+ .cse6 (- 281470681743105) .cse4) 65536)) 281470681743360)))) (and (<= .cse1 (+ 4294901760 (* 256 (div (+ .cse1 (- 4294901633)) 256)))) (<= .cse1 (+ 4294901503 .cse2 (* (div (+ (- 4294901505) .cse1) 65536) 65536)))) (< .cse7 1)))))) is different from true