./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash 3287cb8122ae8673dfd87e0c1115d086c7708a8af7f630d478b193e0a418f294 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 22:22:22,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 22:22:22,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-07 22:22:22,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 22:22:22,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 22:22:22,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 22:22:22,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 22:22:22,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 22:22:22,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 22:22:22,651 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 22:22:22,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 22:22:22,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 22:22:22,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 22:22:22,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 22:22:22,652 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 22:22:22,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 22:22:22,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 22:22:22,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 22:22:22,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 22:22:22,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 22:22:22,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 22:22:22,654 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 22:22:22,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 22:22:22,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 22:22:22,655 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3287cb8122ae8673dfd87e0c1115d086c7708a8af7f630d478b193e0a418f294 [2025-02-07 22:22:22,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 22:22:22,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 22:22:22,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 22:22:22,904 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 22:22:22,904 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 22:22:22,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c [2025-02-07 22:22:24,051 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f113a696e/2466e092ec5f4d0cb8862e9e671ea3c4/FLAG4f15e5304 [2025-02-07 22:22:24,413 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 22:22:24,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c [2025-02-07 22:22:24,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f113a696e/2466e092ec5f4d0cb8862e9e671ea3c4/FLAG4f15e5304 [2025-02-07 22:22:24,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f113a696e/2466e092ec5f4d0cb8862e9e671ea3c4 [2025-02-07 22:22:24,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 22:22:24,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 22:22:24,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 22:22:24,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 22:22:24,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 22:22:24,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:22:24" (1/1) ... [2025-02-07 22:22:24,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ef33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:24, skipping insertion in model container [2025-02-07 22:22:24,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:22:24" (1/1) ... [2025-02-07 22:22:24,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 22:22:24,653 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c[1171,1184] [2025-02-07 22:22:24,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 22:22:24,950 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 22:22:24,958 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c[1171,1184] [2025-02-07 22:22:25,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 22:22:25,127 INFO L204 MainTranslator]: Completed translation [2025-02-07 22:22:25,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25 WrapperNode [2025-02-07 22:22:25,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 22:22:25,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 22:22:25,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 22:22:25,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 22:22:25,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:25,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:25,887 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9237 [2025-02-07 22:22:25,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 22:22:25,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 22:22:25,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 22:22:25,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 22:22:25,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:25,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:25,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,095 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]. [2025-02-07 22:22:26,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,305 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 22:22:26,613 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 22:22:26,614 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 22:22:26,614 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 22:22:26,615 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (1/1) ... [2025-02-07 22:22:26,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 22:22:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 22:22:26,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 22:22:26,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 22:22:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 22:22:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 22:22:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 22:22:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 22:22:27,169 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 22:22:27,171 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 22:22:36,478 INFO L? ?]: Removed 5088 outVars from TransFormulas that were not future-live. [2025-02-07 22:22:36,478 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 22:22:36,912 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 22:22:36,912 INFO L337 CfgBuilder]: Removed 8 assume(true) statements. [2025-02-07 22:22:36,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:22:36 BoogieIcfgContainer [2025-02-07 22:22:36,913 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 22:22:36,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 22:22:36,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 22:22:36,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 22:22:36,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 10:22:24" (1/3) ... [2025-02-07 22:22:36,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa16ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:22:36, skipping insertion in model container [2025-02-07 22:22:36,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:22:25" (2/3) ... [2025-02-07 22:22:36,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa16ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:22:36, skipping insertion in model container [2025-02-07 22:22:36,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:22:36" (3/3) ... [2025-02-07 22:22:36,924 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.brp2.4.prop2-func-interl.c [2025-02-07 22:22:36,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 22:22:36,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.brp2.4.prop2-func-interl.c that has 1 procedures, 3280 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 22:22:37,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 22:22:37,126 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;@513be960, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 22:22:37,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 22:22:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 3280 states, 3278 states have (on average 1.5024405125076266) internal successors, (4925), 3279 states have internal predecessors, (4925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-02-07 22:22:37,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:37,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:37,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:37,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:37,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1188778786, now seen corresponding path program 1 times [2025-02-07 22:22:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:37,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143420563] [2025-02-07 22:22:37,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:37,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-07 22:22:37,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-07 22:22:37,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:37,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:37,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:37,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143420563] [2025-02-07 22:22:37,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143420563] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:37,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:37,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:22:37,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511692002] [2025-02-07 22:22:37,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:37,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 22:22:37,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:37,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 22:22:37,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:22:37,886 INFO L87 Difference]: Start difference. First operand has 3280 states, 3278 states have (on average 1.5024405125076266) internal successors, (4925), 3279 states have internal predecessors, (4925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:39,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:39,045 INFO L93 Difference]: Finished difference Result 6382 states and 9586 transitions. [2025-02-07 22:22:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 22:22:39,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2025-02-07 22:22:39,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:39,071 INFO L225 Difference]: With dead ends: 6382 [2025-02-07 22:22:39,071 INFO L226 Difference]: Without dead ends: 3279 [2025-02-07 22:22:39,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:22:39,085 INFO L435 NwaCegarLoop]: 4103 mSDtfsCounter, 0 mSDsluCounter, 4098 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8201 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:39,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8201 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-07 22:22:39,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2025-02-07 22:22:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3279. [2025-02-07 22:22:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3278 states have (on average 1.50183038438072) internal successors, (4923), 3278 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4923 transitions. [2025-02-07 22:22:39,221 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4923 transitions. Word has length 182 [2025-02-07 22:22:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:39,222 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 4923 transitions. [2025-02-07 22:22:39,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4923 transitions. [2025-02-07 22:22:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-02-07 22:22:39,225 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:39,225 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:39,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 22:22:39,226 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:39,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1119181635, now seen corresponding path program 1 times [2025-02-07 22:22:39,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:39,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600499316] [2025-02-07 22:22:39,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:39,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:39,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-07 22:22:39,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-07 22:22:39,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:39,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:39,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:39,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600499316] [2025-02-07 22:22:39,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600499316] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:39,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:39,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:22:39,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085815928] [2025-02-07 22:22:39,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:39,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:22:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:39,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:22:39,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:39,613 INFO L87 Difference]: Start difference. First operand 3279 states and 4923 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:40,730 INFO L93 Difference]: Finished difference Result 6381 states and 9581 transitions. [2025-02-07 22:22:40,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:22:40,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2025-02-07 22:22:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:40,740 INFO L225 Difference]: With dead ends: 6381 [2025-02-07 22:22:40,741 INFO L226 Difference]: Without dead ends: 3279 [2025-02-07 22:22:40,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:22:40,745 INFO L435 NwaCegarLoop]: 4097 mSDtfsCounter, 4771 mSDsluCounter, 4094 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 8191 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:40,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 8191 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-07 22:22:40,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2025-02-07 22:22:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3279. [2025-02-07 22:22:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3278 states have (on average 1.5015253203172667) internal successors, (4922), 3278 states have internal predecessors, (4922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4922 transitions. [2025-02-07 22:22:40,801 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4922 transitions. Word has length 182 [2025-02-07 22:22:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:40,802 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 4922 transitions. [2025-02-07 22:22:40,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4922 transitions. [2025-02-07 22:22:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-07 22:22:40,805 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:40,805 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:40,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 22:22:40,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:40,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:40,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1131247298, now seen corresponding path program 1 times [2025-02-07 22:22:40,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:40,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506853335] [2025-02-07 22:22:40,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:40,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:40,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-07 22:22:40,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-07 22:22:40,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:40,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:41,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:41,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506853335] [2025-02-07 22:22:41,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506853335] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:41,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:41,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:22:41,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730384631] [2025-02-07 22:22:41,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:41,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 22:22:41,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:41,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 22:22:41,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:22:41,082 INFO L87 Difference]: Start difference. First operand 3279 states and 4922 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:42,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:42,070 INFO L93 Difference]: Finished difference Result 6382 states and 9581 transitions. [2025-02-07 22:22:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 22:22:42,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2025-02-07 22:22:42,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:42,080 INFO L225 Difference]: With dead ends: 6382 [2025-02-07 22:22:42,080 INFO L226 Difference]: Without dead ends: 3280 [2025-02-07 22:22:42,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:22:42,086 INFO L435 NwaCegarLoop]: 4102 mSDtfsCounter, 0 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8199 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:42,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8199 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 22:22:42,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3280 states. [2025-02-07 22:22:42,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3280 to 3280. [2025-02-07 22:22:42,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3279 states have (on average 1.5013723696248857) internal successors, (4923), 3279 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 4923 transitions. [2025-02-07 22:22:42,174 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 4923 transitions. Word has length 183 [2025-02-07 22:22:42,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:42,174 INFO L471 AbstractCegarLoop]: Abstraction has 3280 states and 4923 transitions. [2025-02-07 22:22:42,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 4923 transitions. [2025-02-07 22:22:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-07 22:22:42,176 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:42,177 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:42,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 22:22:42,177 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:42,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1820991261, now seen corresponding path program 1 times [2025-02-07 22:22:42,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:42,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554891306] [2025-02-07 22:22:42,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:42,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:42,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-07 22:22:42,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-07 22:22:42,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:42,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:42,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:42,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554891306] [2025-02-07 22:22:42,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554891306] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:42,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:42,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 22:22:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677226469] [2025-02-07 22:22:42,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:42,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:22:42,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:42,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:22:42,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:42,550 INFO L87 Difference]: Start difference. First operand 3280 states and 4923 transitions. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:43,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:43,688 INFO L93 Difference]: Finished difference Result 3284 states and 4927 transitions. [2025-02-07 22:22:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:22:43,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2025-02-07 22:22:43,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:43,696 INFO L225 Difference]: With dead ends: 3284 [2025-02-07 22:22:43,696 INFO L226 Difference]: Without dead ends: 3282 [2025-02-07 22:22:43,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:43,699 INFO L435 NwaCegarLoop]: 4101 mSDtfsCounter, 0 mSDsluCounter, 8197 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12298 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:43,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12298 Invalid, 2464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-07 22:22:43,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3282 states. [2025-02-07 22:22:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3282 to 3282. [2025-02-07 22:22:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3281 states have (on average 1.5010667479427005) internal successors, (4925), 3281 states have internal predecessors, (4925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4925 transitions. [2025-02-07 22:22:43,740 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4925 transitions. Word has length 183 [2025-02-07 22:22:43,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:43,741 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4925 transitions. [2025-02-07 22:22:43,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4925 transitions. [2025-02-07 22:22:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-02-07 22:22:43,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:43,742 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:43,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 22:22:43,743 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:43,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:43,743 INFO L85 PathProgramCache]: Analyzing trace with hash -611470017, now seen corresponding path program 1 times [2025-02-07 22:22:43,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:43,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818359671] [2025-02-07 22:22:43,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:43,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:43,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-02-07 22:22:43,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-02-07 22:22:43,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:43,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:44,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:44,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818359671] [2025-02-07 22:22:44,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818359671] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:44,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:44,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 22:22:44,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699357802] [2025-02-07 22:22:44,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:44,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:22:44,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:44,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:22:44,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:44,131 INFO L87 Difference]: Start difference. First operand 3282 states and 4925 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:45,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:45,340 INFO L93 Difference]: Finished difference Result 6389 states and 9588 transitions. [2025-02-07 22:22:45,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:22:45,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2025-02-07 22:22:45,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:45,348 INFO L225 Difference]: With dead ends: 6389 [2025-02-07 22:22:45,348 INFO L226 Difference]: Without dead ends: 3284 [2025-02-07 22:22:45,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:45,352 INFO L435 NwaCegarLoop]: 4101 mSDtfsCounter, 0 mSDsluCounter, 8194 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12295 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:45,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12295 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-07 22:22:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2025-02-07 22:22:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 3284. [2025-02-07 22:22:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3283 states have (on average 1.5007614986293025) internal successors, (4927), 3283 states have internal predecessors, (4927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 4927 transitions. [2025-02-07 22:22:45,390 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 4927 transitions. Word has length 184 [2025-02-07 22:22:45,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:45,390 INFO L471 AbstractCegarLoop]: Abstraction has 3284 states and 4927 transitions. [2025-02-07 22:22:45,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 4927 transitions. [2025-02-07 22:22:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-02-07 22:22:45,391 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:45,392 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:45,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-07 22:22:45,392 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:45,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:45,392 INFO L85 PathProgramCache]: Analyzing trace with hash 155812958, now seen corresponding path program 1 times [2025-02-07 22:22:45,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:45,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100466836] [2025-02-07 22:22:45,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:45,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-02-07 22:22:45,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-02-07 22:22:45,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:45,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:45,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:45,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100466836] [2025-02-07 22:22:45,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100466836] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:45,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:45,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:22:45,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180819509] [2025-02-07 22:22:45,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:45,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 22:22:45,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:45,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 22:22:45,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:22:45,644 INFO L87 Difference]: Start difference. First operand 3284 states and 4927 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:46,889 INFO L93 Difference]: Finished difference Result 6397 states and 9598 transitions. [2025-02-07 22:22:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 22:22:46,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2025-02-07 22:22:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:46,897 INFO L225 Difference]: With dead ends: 6397 [2025-02-07 22:22:46,897 INFO L226 Difference]: Without dead ends: 3290 [2025-02-07 22:22:46,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:22:46,901 INFO L435 NwaCegarLoop]: 4100 mSDtfsCounter, 4 mSDsluCounter, 12290 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16390 SdHoareTripleChecker+Invalid, 3293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:46,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16390 Invalid, 3293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-07 22:22:46,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2025-02-07 22:22:46,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3290. [2025-02-07 22:22:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3289 states have (on average 1.500456065673457) internal successors, (4935), 3289 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 4935 transitions. [2025-02-07 22:22:46,943 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 4935 transitions. Word has length 185 [2025-02-07 22:22:46,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:46,943 INFO L471 AbstractCegarLoop]: Abstraction has 3290 states and 4935 transitions. [2025-02-07 22:22:46,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 4935 transitions. [2025-02-07 22:22:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-07 22:22:46,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:46,947 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:46,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-07 22:22:46,948 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:46,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash -385685463, now seen corresponding path program 1 times [2025-02-07 22:22:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:46,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992987710] [2025-02-07 22:22:46,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:46,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-07 22:22:47,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-07 22:22:47,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:47,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:47,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:47,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992987710] [2025-02-07 22:22:47,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992987710] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:47,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:47,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 22:22:47,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530157267] [2025-02-07 22:22:47,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:47,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:22:47,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:47,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:22:47,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:47,210 INFO L87 Difference]: Start difference. First operand 3290 states and 4935 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:48,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:48,244 INFO L93 Difference]: Finished difference Result 6405 states and 9608 transitions. [2025-02-07 22:22:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:22:48,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2025-02-07 22:22:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:48,251 INFO L225 Difference]: With dead ends: 6405 [2025-02-07 22:22:48,251 INFO L226 Difference]: Without dead ends: 3292 [2025-02-07 22:22:48,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:48,254 INFO L435 NwaCegarLoop]: 4101 mSDtfsCounter, 0 mSDsluCounter, 8194 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12295 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:48,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12295 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-07 22:22:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2025-02-07 22:22:48,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 3292. [2025-02-07 22:22:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3292 states, 3291 states have (on average 1.5001519295047099) internal successors, (4937), 3291 states have internal predecessors, (4937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 3292 states and 4937 transitions. [2025-02-07 22:22:48,286 INFO L78 Accepts]: Start accepts. Automaton has 3292 states and 4937 transitions. Word has length 186 [2025-02-07 22:22:48,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:48,286 INFO L471 AbstractCegarLoop]: Abstraction has 3292 states and 4937 transitions. [2025-02-07 22:22:48,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 4937 transitions. [2025-02-07 22:22:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-02-07 22:22:48,288 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:48,288 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:48,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-07 22:22:48,288 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:48,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:48,289 INFO L85 PathProgramCache]: Analyzing trace with hash 258009785, now seen corresponding path program 1 times [2025-02-07 22:22:48,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:48,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453325216] [2025-02-07 22:22:48,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:48,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:48,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-02-07 22:22:48,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-02-07 22:22:48,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:48,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:48,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:48,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453325216] [2025-02-07 22:22:48,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453325216] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:48,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:48,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 22:22:48,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586498203] [2025-02-07 22:22:48,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:48,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:22:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:48,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:22:48,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:48,509 INFO L87 Difference]: Start difference. First operand 3292 states and 4937 transitions. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:49,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:49,505 INFO L93 Difference]: Finished difference Result 6411 states and 9614 transitions. [2025-02-07 22:22:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:22:49,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2025-02-07 22:22:49,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:49,512 INFO L225 Difference]: With dead ends: 6411 [2025-02-07 22:22:49,512 INFO L226 Difference]: Without dead ends: 3296 [2025-02-07 22:22:49,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:49,515 INFO L435 NwaCegarLoop]: 4101 mSDtfsCounter, 0 mSDsluCounter, 8189 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12290 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:49,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12290 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 22:22:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2025-02-07 22:22:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3292. [2025-02-07 22:22:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3292 states, 3291 states have (on average 1.5001519295047099) internal successors, (4937), 3291 states have internal predecessors, (4937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 3292 states and 4937 transitions. [2025-02-07 22:22:49,545 INFO L78 Accepts]: Start accepts. Automaton has 3292 states and 4937 transitions. Word has length 187 [2025-02-07 22:22:49,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:49,545 INFO L471 AbstractCegarLoop]: Abstraction has 3292 states and 4937 transitions. [2025-02-07 22:22:49,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 4937 transitions. [2025-02-07 22:22:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-07 22:22:49,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:49,547 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:49,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-07 22:22:49,547 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:49,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:49,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1296736329, now seen corresponding path program 1 times [2025-02-07 22:22:49,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:49,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512788961] [2025-02-07 22:22:49,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:49,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:49,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-07 22:22:49,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-07 22:22:49,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:49,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:49,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:49,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512788961] [2025-02-07 22:22:49,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512788961] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:49,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:49,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:22:49,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980904772] [2025-02-07 22:22:49,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:49,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 22:22:49,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:49,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 22:22:49,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:22:49,889 INFO L87 Difference]: Start difference. First operand 3292 states and 4937 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:51,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:51,603 INFO L93 Difference]: Finished difference Result 6411 states and 9615 transitions. [2025-02-07 22:22:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 22:22:51,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2025-02-07 22:22:51,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:51,608 INFO L225 Difference]: With dead ends: 6411 [2025-02-07 22:22:51,608 INFO L226 Difference]: Without dead ends: 3296 [2025-02-07 22:22:51,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:22:51,611 INFO L435 NwaCegarLoop]: 4097 mSDtfsCounter, 4 mSDsluCounter, 12282 mSDsCounter, 0 mSdLazyCounter, 3301 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16379 SdHoareTripleChecker+Invalid, 3301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:51,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16379 Invalid, 3301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3301 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-07 22:22:51,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2025-02-07 22:22:51,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3294. [2025-02-07 22:22:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.499848162769511) internal successors, (4939), 3293 states have internal predecessors, (4939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4939 transitions. [2025-02-07 22:22:51,637 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4939 transitions. Word has length 188 [2025-02-07 22:22:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:51,637 INFO L471 AbstractCegarLoop]: Abstraction has 3294 states and 4939 transitions. [2025-02-07 22:22:51,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4939 transitions. [2025-02-07 22:22:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-07 22:22:51,639 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:51,639 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:51,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-07 22:22:51,639 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:51,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:51,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1336185871, now seen corresponding path program 1 times [2025-02-07 22:22:51,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:51,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287653915] [2025-02-07 22:22:51,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:51,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:51,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-07 22:22:51,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-07 22:22:51,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:51,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:52,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:52,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287653915] [2025-02-07 22:22:52,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287653915] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:52,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:52,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:22:52,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58467435] [2025-02-07 22:22:52,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:52,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-07 22:22:52,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:52,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-07 22:22:52,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-07 22:22:52,031 INFO L87 Difference]: Start difference. First operand 3294 states and 4939 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:53,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:53,823 INFO L93 Difference]: Finished difference Result 6414 states and 9623 transitions. [2025-02-07 22:22:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-07 22:22:53,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2025-02-07 22:22:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:53,828 INFO L225 Difference]: With dead ends: 6414 [2025-02-07 22:22:53,828 INFO L226 Difference]: Without dead ends: 3297 [2025-02-07 22:22:53,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-07 22:22:53,830 INFO L435 NwaCegarLoop]: 3949 mSDtfsCounter, 4757 mSDsluCounter, 11830 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4757 SdHoareTripleChecker+Valid, 15779 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:53,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4757 Valid, 15779 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-07 22:22:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3297 states. [2025-02-07 22:22:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3297 to 3294. [2025-02-07 22:22:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.498329790464622) internal successors, (4934), 3293 states have internal predecessors, (4934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4934 transitions. [2025-02-07 22:22:53,857 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4934 transitions. Word has length 189 [2025-02-07 22:22:53,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:53,857 INFO L471 AbstractCegarLoop]: Abstraction has 3294 states and 4934 transitions. [2025-02-07 22:22:53,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4934 transitions. [2025-02-07 22:22:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-07 22:22:53,858 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:53,858 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:53,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-07 22:22:53,859 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:53,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:53,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1846678603, now seen corresponding path program 1 times [2025-02-07 22:22:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470753198] [2025-02-07 22:22:53,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:53,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-07 22:22:53,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-07 22:22:53,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:53,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:54,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:54,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470753198] [2025-02-07 22:22:54,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470753198] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:54,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:54,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:22:54,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590594442] [2025-02-07 22:22:54,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:54,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-07 22:22:54,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:54,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-07 22:22:54,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-07 22:22:54,236 INFO L87 Difference]: Start difference. First operand 3294 states and 4934 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:22:56,088 INFO L93 Difference]: Finished difference Result 8974 states and 13443 transitions. [2025-02-07 22:22:56,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 22:22:56,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2025-02-07 22:22:56,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:22:56,097 INFO L225 Difference]: With dead ends: 8974 [2025-02-07 22:22:56,097 INFO L226 Difference]: Without dead ends: 5857 [2025-02-07 22:22:56,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-07 22:22:56,100 INFO L435 NwaCegarLoop]: 4088 mSDtfsCounter, 3917 mSDsluCounter, 16121 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3917 SdHoareTripleChecker+Valid, 20209 SdHoareTripleChecker+Invalid, 4052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-07 22:22:56,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3917 Valid, 20209 Invalid, 4052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-07 22:22:56,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2025-02-07 22:22:56,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 3481. [2025-02-07 22:22:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 1.4971264367816093) internal successors, (5210), 3480 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 5210 transitions. [2025-02-07 22:22:56,135 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 5210 transitions. Word has length 189 [2025-02-07 22:22:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:22:56,136 INFO L471 AbstractCegarLoop]: Abstraction has 3481 states and 5210 transitions. [2025-02-07 22:22:56,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:22:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 5210 transitions. [2025-02-07 22:22:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1711 [2025-02-07 22:22:56,151 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:22:56,151 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:22:56,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-07 22:22:56,152 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:22:56,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:22:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash 670500201, now seen corresponding path program 1 times [2025-02-07 22:22:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:22:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132339411] [2025-02-07 22:22:56,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:22:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:22:56,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1710 statements into 1 equivalence classes. [2025-02-07 22:22:57,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1710 of 1710 statements. [2025-02-07 22:22:57,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:22:57,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:22:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:22:59,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:22:59,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132339411] [2025-02-07 22:22:59,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132339411] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:22:59,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:22:59,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:22:59,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287723430] [2025-02-07 22:22:59,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:22:59,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:22:59,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:22:59,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:22:59,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:22:59,540 INFO L87 Difference]: Start difference. First operand 3481 states and 5210 transitions. Second operand has 4 states, 4 states have (on average 427.5) internal successors, (1710), 3 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:00,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:00,518 INFO L93 Difference]: Finished difference Result 6598 states and 9879 transitions. [2025-02-07 22:23:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:00,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 427.5) internal successors, (1710), 3 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1710 [2025-02-07 22:23:00,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:00,523 INFO L225 Difference]: With dead ends: 6598 [2025-02-07 22:23:00,523 INFO L226 Difference]: Without dead ends: 3481 [2025-02-07 22:23:00,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:00,525 INFO L435 NwaCegarLoop]: 4088 mSDtfsCounter, 4724 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4724 SdHoareTripleChecker+Valid, 8173 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:00,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4724 Valid, 8173 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 22:23:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2025-02-07 22:23:00,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2025-02-07 22:23:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 1.4968390804597702) internal successors, (5209), 3480 states have internal predecessors, (5209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 5209 transitions. [2025-02-07 22:23:00,553 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 5209 transitions. Word has length 1710 [2025-02-07 22:23:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:00,553 INFO L471 AbstractCegarLoop]: Abstraction has 3481 states and 5209 transitions. [2025-02-07 22:23:00,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 427.5) internal successors, (1710), 3 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 5209 transitions. [2025-02-07 22:23:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2025-02-07 22:23:00,568 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:00,569 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:00,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-07 22:23:00,569 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:00,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash -856429849, now seen corresponding path program 1 times [2025-02-07 22:23:00,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:00,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553357045] [2025-02-07 22:23:00,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:00,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:00,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1711 statements into 1 equivalence classes. [2025-02-07 22:23:01,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1711 of 1711 statements. [2025-02-07 22:23:01,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:01,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:02,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:02,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553357045] [2025-02-07 22:23:02,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553357045] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:02,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:02,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:02,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490197052] [2025-02-07 22:23:02,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:02,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:23:02,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:02,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:23:02,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:23:02,789 INFO L87 Difference]: Start difference. First operand 3481 states and 5209 transitions. Second operand has 4 states, 4 states have (on average 427.75) internal successors, (1711), 3 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:03,714 INFO L93 Difference]: Finished difference Result 6598 states and 9877 transitions. [2025-02-07 22:23:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:03,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 427.75) internal successors, (1711), 3 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1711 [2025-02-07 22:23:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:03,719 INFO L225 Difference]: With dead ends: 6598 [2025-02-07 22:23:03,719 INFO L226 Difference]: Without dead ends: 3481 [2025-02-07 22:23:03,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:03,722 INFO L435 NwaCegarLoop]: 4087 mSDtfsCounter, 4720 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4720 SdHoareTripleChecker+Valid, 8171 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:03,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4720 Valid, 8171 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 22:23:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2025-02-07 22:23:03,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2025-02-07 22:23:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 1.4965517241379311) internal successors, (5208), 3480 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 5208 transitions. [2025-02-07 22:23:03,753 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 5208 transitions. Word has length 1711 [2025-02-07 22:23:03,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:03,753 INFO L471 AbstractCegarLoop]: Abstraction has 3481 states and 5208 transitions. [2025-02-07 22:23:03,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 427.75) internal successors, (1711), 3 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 5208 transitions. [2025-02-07 22:23:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1713 [2025-02-07 22:23:03,768 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:03,769 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:03,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-07 22:23:03,770 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:03,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:03,771 INFO L85 PathProgramCache]: Analyzing trace with hash -150940670, now seen corresponding path program 1 times [2025-02-07 22:23:03,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:03,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804937263] [2025-02-07 22:23:03,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:03,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1712 statements into 1 equivalence classes. [2025-02-07 22:23:04,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1712 of 1712 statements. [2025-02-07 22:23:04,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:04,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:06,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:06,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804937263] [2025-02-07 22:23:06,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804937263] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:06,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:06,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:23:06,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135967439] [2025-02-07 22:23:06,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:06,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 22:23:06,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:06,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 22:23:06,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:06,527 INFO L87 Difference]: Start difference. First operand 3481 states and 5208 transitions. Second operand has 5 states, 5 states have (on average 342.4) internal successors, (1712), 5 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:07,723 INFO L93 Difference]: Finished difference Result 6603 states and 9882 transitions. [2025-02-07 22:23:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 22:23:07,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 342.4) internal successors, (1712), 5 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1712 [2025-02-07 22:23:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:07,728 INFO L225 Difference]: With dead ends: 6603 [2025-02-07 22:23:07,728 INFO L226 Difference]: Without dead ends: 3486 [2025-02-07 22:23:07,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:07,730 INFO L435 NwaCegarLoop]: 4086 mSDtfsCounter, 4 mSDsluCounter, 12249 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16335 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:07,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16335 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3273 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-07 22:23:07,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2025-02-07 22:23:07,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3484. [2025-02-07 22:23:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 3483 states have (on average 1.496124031007752) internal successors, (5211), 3483 states have internal predecessors, (5211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5211 transitions. [2025-02-07 22:23:07,763 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5211 transitions. Word has length 1712 [2025-02-07 22:23:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:07,763 INFO L471 AbstractCegarLoop]: Abstraction has 3484 states and 5211 transitions. [2025-02-07 22:23:07,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 342.4) internal successors, (1712), 5 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5211 transitions. [2025-02-07 22:23:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1714 [2025-02-07 22:23:07,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:07,779 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:07,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-07 22:23:07,779 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:07,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:07,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2063330724, now seen corresponding path program 1 times [2025-02-07 22:23:07,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:07,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582065624] [2025-02-07 22:23:07,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:07,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:07,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1713 statements into 1 equivalence classes. [2025-02-07 22:23:08,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1713 of 1713 statements. [2025-02-07 22:23:08,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:08,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:09,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:09,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582065624] [2025-02-07 22:23:09,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582065624] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:09,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:09,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:09,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72104664] [2025-02-07 22:23:09,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:09,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:23:09,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:09,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:23:09,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:23:09,726 INFO L87 Difference]: Start difference. First operand 3484 states and 5211 transitions. Second operand has 4 states, 4 states have (on average 428.25) internal successors, (1713), 3 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:10,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:10,631 INFO L93 Difference]: Finished difference Result 6604 states and 9881 transitions. [2025-02-07 22:23:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:10,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 428.25) internal successors, (1713), 3 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1713 [2025-02-07 22:23:10,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:10,636 INFO L225 Difference]: With dead ends: 6604 [2025-02-07 22:23:10,636 INFO L226 Difference]: Without dead ends: 3484 [2025-02-07 22:23:10,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:10,639 INFO L435 NwaCegarLoop]: 4086 mSDtfsCounter, 4715 mSDsluCounter, 4083 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4715 SdHoareTripleChecker+Valid, 8169 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:10,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4715 Valid, 8169 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-07 22:23:10,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2025-02-07 22:23:10,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2025-02-07 22:23:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 3483 states have (on average 1.4958369221935113) internal successors, (5210), 3483 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5210 transitions. [2025-02-07 22:23:10,666 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5210 transitions. Word has length 1713 [2025-02-07 22:23:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:10,667 INFO L471 AbstractCegarLoop]: Abstraction has 3484 states and 5210 transitions. [2025-02-07 22:23:10,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 428.25) internal successors, (1713), 3 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5210 transitions. [2025-02-07 22:23:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1715 [2025-02-07 22:23:10,681 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:10,682 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:10,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-07 22:23:10,682 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:10,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:10,684 INFO L85 PathProgramCache]: Analyzing trace with hash -6149634, now seen corresponding path program 1 times [2025-02-07 22:23:10,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:10,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291264726] [2025-02-07 22:23:10,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:10,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:10,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1714 statements into 1 equivalence classes. [2025-02-07 22:23:11,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1714 of 1714 statements. [2025-02-07 22:23:11,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:11,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:12,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:12,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291264726] [2025-02-07 22:23:12,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291264726] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:12,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:12,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:12,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255841760] [2025-02-07 22:23:12,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:12,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:23:12,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:12,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:23:12,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:23:12,385 INFO L87 Difference]: Start difference. First operand 3484 states and 5210 transitions. Second operand has 4 states, 4 states have (on average 428.5) internal successors, (1714), 3 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:13,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:13,324 INFO L93 Difference]: Finished difference Result 6604 states and 9879 transitions. [2025-02-07 22:23:13,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:13,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 428.5) internal successors, (1714), 3 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1714 [2025-02-07 22:23:13,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:13,327 INFO L225 Difference]: With dead ends: 6604 [2025-02-07 22:23:13,327 INFO L226 Difference]: Without dead ends: 3484 [2025-02-07 22:23:13,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:13,330 INFO L435 NwaCegarLoop]: 4085 mSDtfsCounter, 4711 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4711 SdHoareTripleChecker+Valid, 8167 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:13,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4711 Valid, 8167 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 22:23:13,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2025-02-07 22:23:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2025-02-07 22:23:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 3483 states have (on average 1.4955498133792708) internal successors, (5209), 3483 states have internal predecessors, (5209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:13,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5209 transitions. [2025-02-07 22:23:13,396 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5209 transitions. Word has length 1714 [2025-02-07 22:23:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:13,401 INFO L471 AbstractCegarLoop]: Abstraction has 3484 states and 5209 transitions. [2025-02-07 22:23:13,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 428.5) internal successors, (1714), 3 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5209 transitions. [2025-02-07 22:23:13,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1716 [2025-02-07 22:23:13,459 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:13,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:13,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-07 22:23:13,461 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:13,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:13,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1581519811, now seen corresponding path program 1 times [2025-02-07 22:23:13,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:13,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015003303] [2025-02-07 22:23:13,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:13,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1715 statements into 1 equivalence classes. [2025-02-07 22:23:14,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1715 of 1715 statements. [2025-02-07 22:23:14,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:14,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:15,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:15,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015003303] [2025-02-07 22:23:15,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015003303] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:15,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:15,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:15,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360134343] [2025-02-07 22:23:15,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:15,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:23:15,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:15,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:23:15,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:23:15,266 INFO L87 Difference]: Start difference. First operand 3484 states and 5209 transitions. Second operand has 4 states, 4 states have (on average 428.75) internal successors, (1715), 3 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:16,054 INFO L93 Difference]: Finished difference Result 6604 states and 9877 transitions. [2025-02-07 22:23:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:16,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 428.75) internal successors, (1715), 3 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1715 [2025-02-07 22:23:16,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:16,058 INFO L225 Difference]: With dead ends: 6604 [2025-02-07 22:23:16,058 INFO L226 Difference]: Without dead ends: 3484 [2025-02-07 22:23:16,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:16,060 INFO L435 NwaCegarLoop]: 4084 mSDtfsCounter, 4707 mSDsluCounter, 4081 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4707 SdHoareTripleChecker+Valid, 8165 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:16,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4707 Valid, 8165 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-07 22:23:16,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2025-02-07 22:23:16,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2025-02-07 22:23:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 3483 states have (on average 1.4952627045650302) internal successors, (5208), 3483 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5208 transitions. [2025-02-07 22:23:16,087 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5208 transitions. Word has length 1715 [2025-02-07 22:23:16,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:16,087 INFO L471 AbstractCegarLoop]: Abstraction has 3484 states and 5208 transitions. [2025-02-07 22:23:16,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 428.75) internal successors, (1715), 3 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5208 transitions. [2025-02-07 22:23:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1717 [2025-02-07 22:23:16,101 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:16,101 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:16,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-07 22:23:16,102 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:16,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:16,103 INFO L85 PathProgramCache]: Analyzing trace with hash -690362505, now seen corresponding path program 1 times [2025-02-07 22:23:16,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:16,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084332684] [2025-02-07 22:23:16,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:16,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1716 statements into 1 equivalence classes. [2025-02-07 22:23:16,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1716 of 1716 statements. [2025-02-07 22:23:16,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:16,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:18,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:18,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084332684] [2025-02-07 22:23:18,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084332684] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:18,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:18,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:23:18,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389861106] [2025-02-07 22:23:18,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:18,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 22:23:18,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:18,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 22:23:18,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:18,655 INFO L87 Difference]: Start difference. First operand 3484 states and 5208 transitions. Second operand has 5 states, 5 states have (on average 343.2) internal successors, (1716), 5 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:19,973 INFO L93 Difference]: Finished difference Result 6609 states and 9882 transitions. [2025-02-07 22:23:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 22:23:19,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 343.2) internal successors, (1716), 5 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1716 [2025-02-07 22:23:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:19,976 INFO L225 Difference]: With dead ends: 6609 [2025-02-07 22:23:19,977 INFO L226 Difference]: Without dead ends: 3489 [2025-02-07 22:23:19,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:19,980 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 4 mSDsluCounter, 12240 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16323 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:19,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16323 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3273 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-07 22:23:19,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2025-02-07 22:23:20,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3487. [2025-02-07 22:23:20,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3487 states, 3486 states have (on average 1.4948364888123924) internal successors, (5211), 3486 states have internal predecessors, (5211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 5211 transitions. [2025-02-07 22:23:20,014 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 5211 transitions. Word has length 1716 [2025-02-07 22:23:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:20,014 INFO L471 AbstractCegarLoop]: Abstraction has 3487 states and 5211 transitions. [2025-02-07 22:23:20,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 343.2) internal successors, (1716), 5 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 5211 transitions. [2025-02-07 22:23:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1718 [2025-02-07 22:23:20,029 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:20,030 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:20,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-07 22:23:20,030 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:20,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash 367279258, now seen corresponding path program 1 times [2025-02-07 22:23:20,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:20,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534838287] [2025-02-07 22:23:20,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:20,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:20,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1717 statements into 1 equivalence classes. [2025-02-07 22:23:20,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1717 of 1717 statements. [2025-02-07 22:23:20,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:20,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:21,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:21,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534838287] [2025-02-07 22:23:21,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534838287] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:21,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:21,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:21,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089941539] [2025-02-07 22:23:21,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:21,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:23:21,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:21,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:23:21,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:23:21,977 INFO L87 Difference]: Start difference. First operand 3487 states and 5211 transitions. Second operand has 4 states, 4 states have (on average 429.25) internal successors, (1717), 3 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:22,898 INFO L93 Difference]: Finished difference Result 6610 states and 9881 transitions. [2025-02-07 22:23:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:22,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 429.25) internal successors, (1717), 3 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1717 [2025-02-07 22:23:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:22,901 INFO L225 Difference]: With dead ends: 6610 [2025-02-07 22:23:22,901 INFO L226 Difference]: Without dead ends: 3487 [2025-02-07 22:23:22,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:22,904 INFO L435 NwaCegarLoop]: 4081 mSDtfsCounter, 4702 mSDsluCounter, 4078 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4702 SdHoareTripleChecker+Valid, 8159 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:22,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4702 Valid, 8159 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 22:23:22,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2025-02-07 22:23:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3487. [2025-02-07 22:23:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3487 states, 3486 states have (on average 1.4945496270797476) internal successors, (5210), 3486 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 5210 transitions. [2025-02-07 22:23:22,927 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 5210 transitions. Word has length 1717 [2025-02-07 22:23:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:22,927 INFO L471 AbstractCegarLoop]: Abstraction has 3487 states and 5210 transitions. [2025-02-07 22:23:22,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 429.25) internal successors, (1717), 3 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 5210 transitions. [2025-02-07 22:23:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1719 [2025-02-07 22:23:22,940 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:22,941 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:22,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-07 22:23:22,941 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:22,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:22,942 INFO L85 PathProgramCache]: Analyzing trace with hash 203270803, now seen corresponding path program 1 times [2025-02-07 22:23:22,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:22,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386366495] [2025-02-07 22:23:22,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:22,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:23,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1718 statements into 1 equivalence classes. [2025-02-07 22:23:23,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1718 of 1718 statements. [2025-02-07 22:23:23,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:23,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:24,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:24,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386366495] [2025-02-07 22:23:24,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386366495] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:24,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:24,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:24,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247277341] [2025-02-07 22:23:24,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:24,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 22:23:24,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:24,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 22:23:24,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 22:23:24,786 INFO L87 Difference]: Start difference. First operand 3487 states and 5210 transitions. Second operand has 4 states, 4 states have (on average 429.5) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:25,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:25,618 INFO L93 Difference]: Finished difference Result 6610 states and 9879 transitions. [2025-02-07 22:23:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 22:23:25,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 429.5) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1718 [2025-02-07 22:23:25,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:25,621 INFO L225 Difference]: With dead ends: 6610 [2025-02-07 22:23:25,622 INFO L226 Difference]: Without dead ends: 3487 [2025-02-07 22:23:25,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:25,624 INFO L435 NwaCegarLoop]: 4080 mSDtfsCounter, 4698 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 8157 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:25,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4698 Valid, 8157 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-07 22:23:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2025-02-07 22:23:25,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3487. [2025-02-07 22:23:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3487 states, 3486 states have (on average 1.4942627653471028) internal successors, (5209), 3486 states have internal predecessors, (5209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 5209 transitions. [2025-02-07 22:23:25,669 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 5209 transitions. Word has length 1718 [2025-02-07 22:23:25,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:25,669 INFO L471 AbstractCegarLoop]: Abstraction has 3487 states and 5209 transitions. [2025-02-07 22:23:25,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 429.5) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 5209 transitions. [2025-02-07 22:23:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1720 [2025-02-07 22:23:25,694 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:25,695 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-07 22:23:25,695 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:25,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:25,697 INFO L85 PathProgramCache]: Analyzing trace with hash 567682515, now seen corresponding path program 1 times [2025-02-07 22:23:25,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:25,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201516103] [2025-02-07 22:23:25,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:25,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1719 statements into 1 equivalence classes. [2025-02-07 22:23:26,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1719 of 1719 statements. [2025-02-07 22:23:26,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:26,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:28,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201516103] [2025-02-07 22:23:28,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201516103] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:28,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:28,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 22:23:28,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108145088] [2025-02-07 22:23:28,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:28,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 22:23:28,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:28,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 22:23:28,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:28,082 INFO L87 Difference]: Start difference. First operand 3487 states and 5209 transitions. Second operand has 5 states, 5 states have (on average 343.8) internal successors, (1719), 5 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:29,315 INFO L93 Difference]: Finished difference Result 6615 states and 9884 transitions. [2025-02-07 22:23:29,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 22:23:29,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 343.8) internal successors, (1719), 5 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1719 [2025-02-07 22:23:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:29,319 INFO L225 Difference]: With dead ends: 6615 [2025-02-07 22:23:29,319 INFO L226 Difference]: Without dead ends: 3492 [2025-02-07 22:23:29,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 22:23:29,321 INFO L435 NwaCegarLoop]: 4081 mSDtfsCounter, 4 mSDsluCounter, 12234 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16315 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:29,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16315 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3273 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-07 22:23:29,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2025-02-07 22:23:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 3490. [2025-02-07 22:23:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 3489 states have (on average 1.4938377758670105) internal successors, (5212), 3489 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5212 transitions. [2025-02-07 22:23:29,344 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5212 transitions. Word has length 1719 [2025-02-07 22:23:29,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:29,345 INFO L471 AbstractCegarLoop]: Abstraction has 3490 states and 5212 transitions. [2025-02-07 22:23:29,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 343.8) internal successors, (1719), 5 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5212 transitions. [2025-02-07 22:23:29,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2025-02-07 22:23:29,358 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:29,359 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:29,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-07 22:23:29,359 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:29,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:29,360 INFO L85 PathProgramCache]: Analyzing trace with hash -418835920, now seen corresponding path program 1 times [2025-02-07 22:23:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:29,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206797561] [2025-02-07 22:23:29,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:29,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1720 statements into 1 equivalence classes. [2025-02-07 22:23:29,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1720 of 1720 statements. [2025-02-07 22:23:29,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:29,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:31,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:31,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206797561] [2025-02-07 22:23:31,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206797561] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:31,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:31,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:31,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851067351] [2025-02-07 22:23:31,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:31,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 22:23:31,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:31,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 22:23:31,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:23:31,363 INFO L87 Difference]: Start difference. First operand 3490 states and 5212 transitions. Second operand has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:32,053 INFO L93 Difference]: Finished difference Result 6617 states and 9885 transitions. [2025-02-07 22:23:32,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 22:23:32,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1720 [2025-02-07 22:23:32,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:32,056 INFO L225 Difference]: With dead ends: 6617 [2025-02-07 22:23:32,056 INFO L226 Difference]: Without dead ends: 3491 [2025-02-07 22:23:32,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:23:32,060 INFO L435 NwaCegarLoop]: 4087 mSDtfsCounter, 0 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8169 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:32,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8169 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1626 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-07 22:23:32,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2025-02-07 22:23:32,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3491. [2025-02-07 22:23:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 3490 states have (on average 1.4936962750716332) internal successors, (5213), 3490 states have internal predecessors, (5213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 5213 transitions. [2025-02-07 22:23:32,081 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 5213 transitions. Word has length 1720 [2025-02-07 22:23:32,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:32,081 INFO L471 AbstractCegarLoop]: Abstraction has 3491 states and 5213 transitions. [2025-02-07 22:23:32,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 5213 transitions. [2025-02-07 22:23:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2025-02-07 22:23:32,095 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:32,096 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:32,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-07 22:23:32,096 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:32,097 INFO L85 PathProgramCache]: Analyzing trace with hash -317229423, now seen corresponding path program 1 times [2025-02-07 22:23:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:32,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318350625] [2025-02-07 22:23:32,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:32,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1720 statements into 1 equivalence classes. [2025-02-07 22:23:32,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1720 of 1720 statements. [2025-02-07 22:23:32,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:32,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 22:23:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 22:23:33,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 22:23:33,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318350625] [2025-02-07 22:23:33,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318350625] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 22:23:33,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 22:23:33,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 22:23:33,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659853150] [2025-02-07 22:23:33,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 22:23:33,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 22:23:33,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 22:23:33,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 22:23:33,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:23:33,884 INFO L87 Difference]: Start difference. First operand 3491 states and 5213 transitions. Second operand has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:34,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 22:23:34,735 INFO L93 Difference]: Finished difference Result 6619 states and 9887 transitions. [2025-02-07 22:23:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 22:23:34,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1720 [2025-02-07 22:23:34,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 22:23:34,738 INFO L225 Difference]: With dead ends: 6619 [2025-02-07 22:23:34,738 INFO L226 Difference]: Without dead ends: 3492 [2025-02-07 22:23:34,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 22:23:34,740 INFO L435 NwaCegarLoop]: 4087 mSDtfsCounter, 0 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8169 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-07 22:23:34,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8169 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1626 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-07 22:23:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2025-02-07 22:23:34,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 3492. [2025-02-07 22:23:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 3491 states have (on average 1.4935548553423088) internal successors, (5214), 3491 states have internal predecessors, (5214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 5214 transitions. [2025-02-07 22:23:34,762 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 5214 transitions. Word has length 1720 [2025-02-07 22:23:34,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 22:23:34,762 INFO L471 AbstractCegarLoop]: Abstraction has 3492 states and 5214 transitions. [2025-02-07 22:23:34,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 22:23:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 5214 transitions. [2025-02-07 22:23:34,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2025-02-07 22:23:34,775 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 22:23:34,776 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 22:23:34,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-07 22:23:34,776 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 22:23:34,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 22:23:34,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1978352398, now seen corresponding path program 1 times [2025-02-07 22:23:34,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 22:23:34,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781373054] [2025-02-07 22:23:34,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 22:23:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 22:23:34,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1720 statements into 1 equivalence classes. [2025-02-07 22:23:35,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1720 of 1720 statements. [2025-02-07 22:23:35,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 22:23:35,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat