./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77987d39218daa3d8ca19fe9337f6493b276d704fa95c2d6fb7800ec30efdcea --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:05:18,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:05:18,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:05:18,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:05:18,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:05:18,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:05:18,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:05:18,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:05:18,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:05:18,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:05:18,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:05:18,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:05:18,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:05:18,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:05:18,657 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:05:18,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:05:18,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:05:18,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:05:18,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:05:18,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:05:18,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:05:18,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:05:18,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:05:18,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:05:18,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:05:18,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:05:18,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:05:18,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:05:18,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:05:18,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:05:18,665 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:05:18,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:05:18,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:05:18,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:05:18,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:18,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:05:18,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:05:18,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:05:18,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:05:18,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:05:18,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:05:18,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:05:18,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:05:18,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:05:18,670 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77987d39218daa3d8ca19fe9337f6493b276d704fa95c2d6fb7800ec30efdcea [2024-11-10 19:05:18,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:05:18,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:05:18,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:05:18,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:05:18,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:05:18,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c [2024-11-10 19:05:20,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:05:20,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:05:20,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c [2024-11-10 19:05:20,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c358317e1/ea3c001850de4de38c61b0219f43f96e/FLAGb78e43474 [2024-11-10 19:05:20,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c358317e1/ea3c001850de4de38c61b0219f43f96e [2024-11-10 19:05:20,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:05:20,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:05:20,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:20,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:05:20,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:05:20,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cafd4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20, skipping insertion in model container [2024-11-10 19:05:20,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:05:20,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:20,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:05:20,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:20,432 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:05:20,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20 WrapperNode [2024-11-10 19:05:20,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:20,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:20,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:05:20,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:05:20,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,464 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2024-11-10 19:05:20,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:20,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:05:20,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:05:20,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:05:20,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,486 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:05:20,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:05:20,492 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:05:20,495 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:05:20,495 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:05:20,496 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (1/1) ... [2024-11-10 19:05:20,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:20,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:05:20,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:05:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:05:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:05:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:05:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:05:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:05:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:05:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:05:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:05:20,612 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:05:20,614 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:05:20,994 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-10 19:05:20,994 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:05:21,013 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:05:21,016 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:05:21,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:21 BoogieIcfgContainer [2024-11-10 19:05:21,016 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:05:21,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:05:21,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:05:21,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:05:21,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:05:20" (1/3) ... [2024-11-10 19:05:21,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b1703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:21, skipping insertion in model container [2024-11-10 19:05:21,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:20" (2/3) ... [2024-11-10 19:05:21,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b1703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:21, skipping insertion in model container [2024-11-10 19:05:21,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:21" (3/3) ... [2024-11-10 19:05:21,024 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound5.c [2024-11-10 19:05:21,036 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:05:21,036 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-10 19:05:21,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:05:21,095 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;@1646bbf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:05:21,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-10 19:05:21,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 141 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:05:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:05:21,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:21,104 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:21,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:21,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:21,107 INFO L85 PathProgramCache]: Analyzing trace with hash 373124208, now seen corresponding path program 1 times [2024-11-10 19:05:21,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:21,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50551817] [2024-11-10 19:05:21,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:21,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:21,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50551817] [2024-11-10 19:05:21,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50551817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:21,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:21,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:21,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730729398] [2024-11-10 19:05:21,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:21,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:05:21,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:05:21,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:21,246 INFO L87 Difference]: Start difference. First operand has 153 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 141 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:05:21,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:21,273 INFO L93 Difference]: Finished difference Result 302 states and 334 transitions. [2024-11-10 19:05:21,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:05:21,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 19:05:21,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:21,283 INFO L225 Difference]: With dead ends: 302 [2024-11-10 19:05:21,283 INFO L226 Difference]: Without dead ends: 146 [2024-11-10 19:05:21,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:21,290 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:21,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:21,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-10 19:05:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-10 19:05:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 135 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:05:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2024-11-10 19:05:21,331 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 15 [2024-11-10 19:05:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:21,333 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2024-11-10 19:05:21,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:05:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2024-11-10 19:05:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:05:21,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:21,334 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:21,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:05:21,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:21,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1395198000, now seen corresponding path program 1 times [2024-11-10 19:05:21,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:21,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645245639] [2024-11-10 19:05:21,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:21,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:21,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:21,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645245639] [2024-11-10 19:05:21,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645245639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:21,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:21,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056880062] [2024-11-10 19:05:21,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:21,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:21,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:21,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:21,462 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:21,532 INFO L93 Difference]: Finished difference Result 212 states and 222 transitions. [2024-11-10 19:05:21,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:21,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-10 19:05:21,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:21,533 INFO L225 Difference]: With dead ends: 212 [2024-11-10 19:05:21,533 INFO L226 Difference]: Without dead ends: 151 [2024-11-10 19:05:21,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:21,535 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:21,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 435 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-10 19:05:21,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-10 19:05:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 83 states have (on average 1.7228915662650603) internal successors, (143), 140 states have internal predecessors, (143), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:05:21,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2024-11-10 19:05:21,554 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 15 [2024-11-10 19:05:21,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:21,555 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2024-11-10 19:05:21,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:21,555 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2024-11-10 19:05:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:05:21,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:21,556 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:21,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:05:21,556 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:21,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:21,556 INFO L85 PathProgramCache]: Analyzing trace with hash -165159412, now seen corresponding path program 1 times [2024-11-10 19:05:21,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:21,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576531850] [2024-11-10 19:05:21,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:21,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:21,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241061236] [2024-11-10 19:05:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:21,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:21,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:21,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:21,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:05:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:21,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:21,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:21,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:21,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576531850] [2024-11-10 19:05:21,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:21,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241061236] [2024-11-10 19:05:21,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241061236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:21,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:21,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:21,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433625022] [2024-11-10 19:05:21,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:21,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:21,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:21,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:21,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:21,684 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:21,996 INFO L93 Difference]: Finished difference Result 240 states and 287 transitions. [2024-11-10 19:05:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:21,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-10 19:05:21,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:21,998 INFO L225 Difference]: With dead ends: 240 [2024-11-10 19:05:22,000 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 19:05:22,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:22,002 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 78 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:22,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 157 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:22,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 19:05:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2024-11-10 19:05:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 116 states have (on average 1.7672413793103448) internal successors, (205), 173 states have internal predecessors, (205), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:05:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 231 transitions. [2024-11-10 19:05:22,012 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 231 transitions. Word has length 19 [2024-11-10 19:05:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:22,012 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 231 transitions. [2024-11-10 19:05:22,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 231 transitions. [2024-11-10 19:05:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:05:22,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:22,013 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:22,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:22,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:22,214 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:22,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:22,215 INFO L85 PathProgramCache]: Analyzing trace with hash 195598154, now seen corresponding path program 1 times [2024-11-10 19:05:22,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676275708] [2024-11-10 19:05:22,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204030279] [2024-11-10 19:05:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:22,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:22,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:05:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:22,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:22,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:22,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:22,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676275708] [2024-11-10 19:05:22,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204030279] [2024-11-10 19:05:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204030279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:22,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:22,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:22,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044385892] [2024-11-10 19:05:22,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:22,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:22,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:22,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:22,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:22,295 INFO L87 Difference]: Start difference. First operand 189 states and 231 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:22,577 INFO L93 Difference]: Finished difference Result 301 states and 367 transitions. [2024-11-10 19:05:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:22,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 19:05:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:22,579 INFO L225 Difference]: With dead ends: 301 [2024-11-10 19:05:22,579 INFO L226 Difference]: Without dead ends: 293 [2024-11-10 19:05:22,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:22,581 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 92 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:22,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 237 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:22,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-10 19:05:22,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 249. [2024-11-10 19:05:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 170 states have (on average 1.7294117647058824) internal successors, (294), 227 states have internal predecessors, (294), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 19:05:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 332 transitions. [2024-11-10 19:05:22,596 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 332 transitions. Word has length 21 [2024-11-10 19:05:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:22,596 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 332 transitions. [2024-11-10 19:05:22,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 332 transitions. [2024-11-10 19:05:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 19:05:22,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:22,609 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:22,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:05:22,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 19:05:22,810 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:22,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1008732024, now seen corresponding path program 1 times [2024-11-10 19:05:22,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:22,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864768752] [2024-11-10 19:05:22,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:22,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1200174592] [2024-11-10 19:05:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:22,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:22,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:22,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:22,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:05:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:22,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:22,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:22,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:22,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:22,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864768752] [2024-11-10 19:05:22,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:22,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200174592] [2024-11-10 19:05:22,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200174592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:22,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:22,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:22,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76556837] [2024-11-10 19:05:22,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:22,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:22,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:22,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:22,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:22,940 INFO L87 Difference]: Start difference. First operand 249 states and 332 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:23,200 INFO L93 Difference]: Finished difference Result 287 states and 353 transitions. [2024-11-10 19:05:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:23,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-10 19:05:23,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:23,202 INFO L225 Difference]: With dead ends: 287 [2024-11-10 19:05:23,202 INFO L226 Difference]: Without dead ends: 273 [2024-11-10 19:05:23,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:23,202 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 69 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:23,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 154 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:23,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-10 19:05:23,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 216. [2024-11-10 19:05:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 142 states have (on average 1.6408450704225352) internal successors, (233), 199 states have internal predecessors, (233), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2024-11-10 19:05:23,214 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 23 [2024-11-10 19:05:23,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:23,214 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2024-11-10 19:05:23,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2024-11-10 19:05:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:05:23,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:23,215 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:23,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:23,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:23,421 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:23,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash -745073679, now seen corresponding path program 1 times [2024-11-10 19:05:23,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:23,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772414768] [2024-11-10 19:05:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:23,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831250557] [2024-11-10 19:05:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:23,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:23,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:23,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:23,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:05:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:23,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:23,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:23,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:23,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:23,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772414768] [2024-11-10 19:05:23,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:23,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831250557] [2024-11-10 19:05:23,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831250557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:23,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:23,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851949998] [2024-11-10 19:05:23,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:23,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:23,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:23,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:23,526 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:23,870 INFO L93 Difference]: Finished difference Result 393 states and 496 transitions. [2024-11-10 19:05:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:23,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-10 19:05:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:23,873 INFO L225 Difference]: With dead ends: 393 [2024-11-10 19:05:23,873 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 19:05:23,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:23,874 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 93 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:23,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 242 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:23,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 19:05:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 302. [2024-11-10 19:05:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.639269406392694) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-10 19:05:23,886 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 30 [2024-11-10 19:05:23,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:23,886 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-10 19:05:23,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-10 19:05:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:05:23,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:23,887 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:23,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:05:24,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:24,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:24,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:24,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1243735631, now seen corresponding path program 1 times [2024-11-10 19:05:24,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:24,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914435906] [2024-11-10 19:05:24,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:24,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463344780] [2024-11-10 19:05:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:24,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:24,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:24,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:24,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:05:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:24,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:24,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:24,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:24,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:24,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914435906] [2024-11-10 19:05:24,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:24,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463344780] [2024-11-10 19:05:24,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463344780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:24,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:24,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:24,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706166829] [2024-11-10 19:05:24,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:24,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:24,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:24,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:24,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:24,217 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:24,703 INFO L93 Difference]: Finished difference Result 361 states and 474 transitions. [2024-11-10 19:05:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:24,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-10 19:05:24,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:24,708 INFO L225 Difference]: With dead ends: 361 [2024-11-10 19:05:24,708 INFO L226 Difference]: Without dead ends: 359 [2024-11-10 19:05:24,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:24,709 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 192 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:24,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 188 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-10 19:05:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 302. [2024-11-10 19:05:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.6210045662100456) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-10 19:05:24,718 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 32 [2024-11-10 19:05:24,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:24,719 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-10 19:05:24,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-10 19:05:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:05:24,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:24,719 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:24,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:05:24,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:24,920 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:24,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:24,921 INFO L85 PathProgramCache]: Analyzing trace with hash -98901022, now seen corresponding path program 1 times [2024-11-10 19:05:24,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:24,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683527534] [2024-11-10 19:05:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:24,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515467282] [2024-11-10 19:05:24,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:24,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:24,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:24,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:05:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:24,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:24,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:25,044 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:25,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:25,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683527534] [2024-11-10 19:05:25,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:25,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515467282] [2024-11-10 19:05:25,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515467282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:25,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:25,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:25,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411023270] [2024-11-10 19:05:25,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:25,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:25,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:25,046 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:25,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:25,331 INFO L93 Difference]: Finished difference Result 361 states and 470 transitions. [2024-11-10 19:05:25,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:25,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-10 19:05:25,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:25,333 INFO L225 Difference]: With dead ends: 361 [2024-11-10 19:05:25,333 INFO L226 Difference]: Without dead ends: 359 [2024-11-10 19:05:25,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:25,334 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 191 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:25,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 177 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:25,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-10 19:05:25,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 302. [2024-11-10 19:05:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 276 states have internal predecessors, (351), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 397 transitions. [2024-11-10 19:05:25,343 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 397 transitions. Word has length 33 [2024-11-10 19:05:25,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:25,343 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 397 transitions. [2024-11-10 19:05:25,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 397 transitions. [2024-11-10 19:05:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:05:25,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:25,344 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:25,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:25,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:25,548 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:25,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:25,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1229035693, now seen corresponding path program 1 times [2024-11-10 19:05:25,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:25,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653274319] [2024-11-10 19:05:25,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:25,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599888116] [2024-11-10 19:05:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:25,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:25,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:05:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:25,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:25,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:25,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:25,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653274319] [2024-11-10 19:05:25,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:25,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599888116] [2024-11-10 19:05:25,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599888116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:25,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:25,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:25,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064581366] [2024-11-10 19:05:25,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:25,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:25,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:25,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:25,624 INFO L87 Difference]: Start difference. First operand 302 states and 397 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:26,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:26,566 INFO L93 Difference]: Finished difference Result 383 states and 476 transitions. [2024-11-10 19:05:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:26,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-10 19:05:26,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:26,568 INFO L225 Difference]: With dead ends: 383 [2024-11-10 19:05:26,568 INFO L226 Difference]: Without dead ends: 381 [2024-11-10 19:05:26,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:26,569 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 98 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:26,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 246 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:05:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-10 19:05:26,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 303. [2024-11-10 19:05:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 220 states have (on average 1.5863636363636364) internal successors, (349), 277 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 395 transitions. [2024-11-10 19:05:26,581 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 395 transitions. Word has length 34 [2024-11-10 19:05:26,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:26,583 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 395 transitions. [2024-11-10 19:05:26,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 395 transitions. [2024-11-10 19:05:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:05:26,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:26,586 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:26,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:05:26,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:26,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:26,787 INFO L85 PathProgramCache]: Analyzing trace with hash -554599104, now seen corresponding path program 1 times [2024-11-10 19:05:26,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:26,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333512292] [2024-11-10 19:05:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:26,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [873897647] [2024-11-10 19:05:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:26,799 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:26,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:05:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:26,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:26,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:26,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:26,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333512292] [2024-11-10 19:05:26,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873897647] [2024-11-10 19:05:26,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873897647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:26,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:26,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:26,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760200731] [2024-11-10 19:05:26,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:26,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:26,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:26,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:26,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:26,929 INFO L87 Difference]: Start difference. First operand 303 states and 395 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:27,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:27,698 INFO L93 Difference]: Finished difference Result 383 states and 472 transitions. [2024-11-10 19:05:27,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:27,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-10 19:05:27,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:27,701 INFO L225 Difference]: With dead ends: 383 [2024-11-10 19:05:27,702 INFO L226 Difference]: Without dead ends: 381 [2024-11-10 19:05:27,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:27,703 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 161 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:27,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 224 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:27,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-10 19:05:27,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 304. [2024-11-10 19:05:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 278 states have internal predecessors, (347), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 393 transitions. [2024-11-10 19:05:27,720 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 393 transitions. Word has length 35 [2024-11-10 19:05:27,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:27,720 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 393 transitions. [2024-11-10 19:05:27,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 393 transitions. [2024-11-10 19:05:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:05:27,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:27,721 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:27,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:27,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 19:05:27,922 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:27,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:27,922 INFO L85 PathProgramCache]: Analyzing trace with hash 536119252, now seen corresponding path program 1 times [2024-11-10 19:05:27,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:27,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248993736] [2024-11-10 19:05:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:27,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1281947905] [2024-11-10 19:05:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:27,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:27,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:27,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:27,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:05:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:27,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:27,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:28,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:28,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:28,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248993736] [2024-11-10 19:05:28,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:28,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281947905] [2024-11-10 19:05:28,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281947905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:28,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:28,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:28,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614773934] [2024-11-10 19:05:28,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:28,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:28,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:28,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:28,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,065 INFO L87 Difference]: Start difference. First operand 304 states and 393 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:28,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:28,287 INFO L93 Difference]: Finished difference Result 332 states and 416 transitions. [2024-11-10 19:05:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:28,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-10 19:05:28,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:28,289 INFO L225 Difference]: With dead ends: 332 [2024-11-10 19:05:28,289 INFO L226 Difference]: Without dead ends: 330 [2024-11-10 19:05:28,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,290 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 240 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:28,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 169 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-10 19:05:28,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 305. [2024-11-10 19:05:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 222 states have (on average 1.5585585585585586) internal successors, (346), 279 states have internal predecessors, (346), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 392 transitions. [2024-11-10 19:05:28,300 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 392 transitions. Word has length 43 [2024-11-10 19:05:28,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:28,300 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 392 transitions. [2024-11-10 19:05:28,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 392 transitions. [2024-11-10 19:05:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:05:28,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:28,302 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:28,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:05:28,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:28,504 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:28,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:28,504 INFO L85 PathProgramCache]: Analyzing trace with hash -560172304, now seen corresponding path program 1 times [2024-11-10 19:05:28,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:28,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644764912] [2024-11-10 19:05:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:28,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688450074] [2024-11-10 19:05:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:28,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:28,521 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:28,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:05:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:28,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:28,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:28,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644764912] [2024-11-10 19:05:28,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688450074] [2024-11-10 19:05:28,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688450074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:28,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:28,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324989347] [2024-11-10 19:05:28,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:28,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:28,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:28,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,623 INFO L87 Difference]: Start difference. First operand 305 states and 392 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:28,811 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2024-11-10 19:05:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:28,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-10 19:05:28,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:28,815 INFO L225 Difference]: With dead ends: 332 [2024-11-10 19:05:28,815 INFO L226 Difference]: Without dead ends: 330 [2024-11-10 19:05:28,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,816 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 176 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:28,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 184 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:28,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-10 19:05:28,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 306. [2024-11-10 19:05:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 223 states have (on average 1.547085201793722) internal successors, (345), 280 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 391 transitions. [2024-11-10 19:05:28,825 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 391 transitions. Word has length 44 [2024-11-10 19:05:28,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:28,826 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 391 transitions. [2024-11-10 19:05:28,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 391 transitions. [2024-11-10 19:05:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:05:28,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:28,829 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:28,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:29,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 19:05:29,033 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:29,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,034 INFO L85 PathProgramCache]: Analyzing trace with hash -185472174, now seen corresponding path program 1 times [2024-11-10 19:05:29,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054825122] [2024-11-10 19:05:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:29,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139719371] [2024-11-10 19:05:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:29,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:29,044 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:29,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:05:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:29,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:29,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:29,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:29,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054825122] [2024-11-10 19:05:29,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:29,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139719371] [2024-11-10 19:05:29,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139719371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:29,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:29,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:29,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254921804] [2024-11-10 19:05:29,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:29,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:29,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:29,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:29,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:29,105 INFO L87 Difference]: Start difference. First operand 306 states and 391 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:29,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:29,673 INFO L93 Difference]: Finished difference Result 338 states and 400 transitions. [2024-11-10 19:05:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:29,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-10 19:05:29,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:29,675 INFO L225 Difference]: With dead ends: 338 [2024-11-10 19:05:29,675 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:05:29,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:29,675 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 147 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:29,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 222 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:05:29,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 307. [2024-11-10 19:05:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 224 states have (on average 1.5357142857142858) internal successors, (344), 281 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 390 transitions. [2024-11-10 19:05:29,684 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 390 transitions. Word has length 45 [2024-11-10 19:05:29,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:29,684 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 390 transitions. [2024-11-10 19:05:29,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 390 transitions. [2024-11-10 19:05:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:05:29,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:29,685 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:05:29,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:05:29,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:05:29,886 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:29,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1454670034, now seen corresponding path program 1 times [2024-11-10 19:05:29,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851634001] [2024-11-10 19:05:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:29,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282965016] [2024-11-10 19:05:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:29,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:29,903 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:29,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:05:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:29,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:30,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:30,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:30,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851634001] [2024-11-10 19:05:30,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:30,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282965016] [2024-11-10 19:05:30,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282965016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:30,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:30,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:30,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840616175] [2024-11-10 19:05:30,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:30,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:30,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:30,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:30,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:30,041 INFO L87 Difference]: Start difference. First operand 307 states and 390 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:30,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:30,751 INFO L93 Difference]: Finished difference Result 338 states and 397 transitions. [2024-11-10 19:05:30,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:30,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-10 19:05:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:30,752 INFO L225 Difference]: With dead ends: 338 [2024-11-10 19:05:30,752 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:05:30,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:30,753 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 146 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:30,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 249 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:30,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:05:30,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 308. [2024-11-10 19:05:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 225 states have (on average 1.5244444444444445) internal successors, (343), 282 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 389 transitions. [2024-11-10 19:05:30,761 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 389 transitions. Word has length 46 [2024-11-10 19:05:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:30,762 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 389 transitions. [2024-11-10 19:05:30,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 389 transitions. [2024-11-10 19:05:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:05:30,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:30,762 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:30,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:05:30,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:05:30,963 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:30,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:30,964 INFO L85 PathProgramCache]: Analyzing trace with hash 2111006016, now seen corresponding path program 1 times [2024-11-10 19:05:30,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:30,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815064706] [2024-11-10 19:05:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:31,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:31,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815064706] [2024-11-10 19:05:31,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815064706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:31,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:31,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:31,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865013399] [2024-11-10 19:05:31,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:31,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:31,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:31,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:31,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:31,022 INFO L87 Difference]: Start difference. First operand 308 states and 389 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:31,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:31,068 INFO L93 Difference]: Finished difference Result 399 states and 506 transitions. [2024-11-10 19:05:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:31,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-10 19:05:31,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:31,069 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:05:31,069 INFO L226 Difference]: Without dead ends: 397 [2024-11-10 19:05:31,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:31,070 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 47 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:31,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 320 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:31,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-10 19:05:31,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 310. [2024-11-10 19:05:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 228 states have (on average 1.5043859649122806) internal successors, (343), 284 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 389 transitions. [2024-11-10 19:05:31,080 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 389 transitions. Word has length 53 [2024-11-10 19:05:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:31,081 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 389 transitions. [2024-11-10 19:05:31,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 389 transitions. [2024-11-10 19:05:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:05:31,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:31,082 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:31,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:05:31,082 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:31,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1016677081, now seen corresponding path program 1 times [2024-11-10 19:05:31,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:31,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816649615] [2024-11-10 19:05:31,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:31,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:31,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816649615] [2024-11-10 19:05:31,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816649615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:31,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:31,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685351614] [2024-11-10 19:05:31,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:31,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:31,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:31,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:31,137 INFO L87 Difference]: Start difference. First operand 310 states and 389 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:31,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:31,173 INFO L93 Difference]: Finished difference Result 398 states and 500 transitions. [2024-11-10 19:05:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:31,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-10 19:05:31,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:31,175 INFO L225 Difference]: With dead ends: 398 [2024-11-10 19:05:31,175 INFO L226 Difference]: Without dead ends: 396 [2024-11-10 19:05:31,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:31,176 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 46 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:31,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 307 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:31,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-10 19:05:31,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 312. [2024-11-10 19:05:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 286 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 387 transitions. [2024-11-10 19:05:31,187 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 387 transitions. Word has length 54 [2024-11-10 19:05:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:31,188 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 387 transitions. [2024-11-10 19:05:31,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 387 transitions. [2024-11-10 19:05:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:05:31,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:31,189 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:31,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:05:31,189 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:31,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:31,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1452279549, now seen corresponding path program 1 times [2024-11-10 19:05:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:31,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646828035] [2024-11-10 19:05:31,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:31,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646828035] [2024-11-10 19:05:31,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646828035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:31,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:31,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:31,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237447967] [2024-11-10 19:05:31,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:31,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:31,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:31,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:31,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:31,267 INFO L87 Difference]: Start difference. First operand 312 states and 387 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:31,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:31,898 INFO L93 Difference]: Finished difference Result 400 states and 496 transitions. [2024-11-10 19:05:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:31,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-10 19:05:31,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:31,899 INFO L225 Difference]: With dead ends: 400 [2024-11-10 19:05:31,900 INFO L226 Difference]: Without dead ends: 399 [2024-11-10 19:05:31,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:31,900 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 189 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:31,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 201 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:31,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-10 19:05:31,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 314. [2024-11-10 19:05:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 233 states have (on average 1.4721030042918455) internal successors, (343), 288 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 389 transitions. [2024-11-10 19:05:31,910 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 389 transitions. Word has length 55 [2024-11-10 19:05:31,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:31,911 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 389 transitions. [2024-11-10 19:05:31,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 389 transitions. [2024-11-10 19:05:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:05:31,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:31,911 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:31,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:05:31,912 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:31,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:31,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1452280990, now seen corresponding path program 1 times [2024-11-10 19:05:31,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:31,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872095210] [2024-11-10 19:05:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:31,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:31,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872095210] [2024-11-10 19:05:31,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872095210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:31,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:31,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:31,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681709896] [2024-11-10 19:05:31,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:31,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:31,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:31,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:31,985 INFO L87 Difference]: Start difference. First operand 314 states and 389 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:32,650 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2024-11-10 19:05:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:32,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-10 19:05:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:32,652 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:05:32,652 INFO L226 Difference]: Without dead ends: 398 [2024-11-10 19:05:32,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:32,652 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 190 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:32,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 190 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:32,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-10 19:05:32,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 314. [2024-11-10 19:05:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 233 states have (on average 1.4678111587982832) internal successors, (342), 288 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 388 transitions. [2024-11-10 19:05:32,664 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 388 transitions. Word has length 55 [2024-11-10 19:05:32,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:32,664 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 388 transitions. [2024-11-10 19:05:32,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 388 transitions. [2024-11-10 19:05:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:05:32,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:32,666 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:32,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:05:32,666 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:32,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:32,667 INFO L85 PathProgramCache]: Analyzing trace with hash 846511398, now seen corresponding path program 1 times [2024-11-10 19:05:32,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:32,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549363272] [2024-11-10 19:05:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:32,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549363272] [2024-11-10 19:05:32,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549363272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:32,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:32,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:32,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947824428] [2024-11-10 19:05:32,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:32,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:32,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:32,747 INFO L87 Difference]: Start difference. First operand 314 states and 388 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:32,883 INFO L93 Difference]: Finished difference Result 381 states and 462 transitions. [2024-11-10 19:05:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:32,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-10 19:05:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:32,884 INFO L225 Difference]: With dead ends: 381 [2024-11-10 19:05:32,884 INFO L226 Difference]: Without dead ends: 377 [2024-11-10 19:05:32,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:32,885 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:32,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 179 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:05:32,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-10 19:05:32,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 328. [2024-11-10 19:05:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 247 states have (on average 1.4453441295546559) internal successors, (357), 302 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 403 transitions. [2024-11-10 19:05:32,900 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 403 transitions. Word has length 60 [2024-11-10 19:05:32,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:32,900 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 403 transitions. [2024-11-10 19:05:32,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 403 transitions. [2024-11-10 19:05:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 19:05:32,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:32,901 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:32,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:05:32,901 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:32,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:32,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1106499523, now seen corresponding path program 1 times [2024-11-10 19:05:32,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:32,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630758142] [2024-11-10 19:05:32,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:32,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:32,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630758142] [2024-11-10 19:05:32,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630758142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:32,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066710076] [2024-11-10 19:05:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:32,999 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:33,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:05:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:33,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:33,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:33,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066710076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:33,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:33,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:05:33,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366514937] [2024-11-10 19:05:33,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:33,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:33,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:33,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:33,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:33,103 INFO L87 Difference]: Start difference. First operand 328 states and 403 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:33,126 INFO L93 Difference]: Finished difference Result 328 states and 403 transitions. [2024-11-10 19:05:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:33,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-10 19:05:33,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:33,128 INFO L225 Difference]: With dead ends: 328 [2024-11-10 19:05:33,129 INFO L226 Difference]: Without dead ends: 327 [2024-11-10 19:05:33,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:33,130 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 114 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:33,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 287 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:33,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-10 19:05:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-10 19:05:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 247 states have (on average 1.4331983805668016) internal successors, (354), 301 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 400 transitions. [2024-11-10 19:05:33,143 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 400 transitions. Word has length 64 [2024-11-10 19:05:33,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:33,143 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 400 transitions. [2024-11-10 19:05:33,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 400 transitions. [2024-11-10 19:05:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:05:33,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:33,144 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:33,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:05:33,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-10 19:05:33,345 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:33,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:33,345 INFO L85 PathProgramCache]: Analyzing trace with hash 584780093, now seen corresponding path program 1 times [2024-11-10 19:05:33,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:33,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897251667] [2024-11-10 19:05:33,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:33,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:33,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897251667] [2024-11-10 19:05:33,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897251667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:33,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784230004] [2024-11-10 19:05:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:33,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:33,466 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:33,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:05:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:33,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:33,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:33,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784230004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:33,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:33,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:05:33,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134857453] [2024-11-10 19:05:33,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:33,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:33,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:33,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:33,689 INFO L87 Difference]: Start difference. First operand 327 states and 400 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:34,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:34,195 INFO L93 Difference]: Finished difference Result 395 states and 496 transitions. [2024-11-10 19:05:34,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:34,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-10 19:05:34,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:34,196 INFO L225 Difference]: With dead ends: 395 [2024-11-10 19:05:34,196 INFO L226 Difference]: Without dead ends: 394 [2024-11-10 19:05:34,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:34,197 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 88 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:34,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 160 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-10 19:05:34,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 336. [2024-11-10 19:05:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 255 states have (on average 1.419607843137255) internal successors, (362), 309 states have internal predecessors, (362), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:05:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 410 transitions. [2024-11-10 19:05:34,208 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 410 transitions. Word has length 66 [2024-11-10 19:05:34,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:34,208 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 410 transitions. [2024-11-10 19:05:34,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 410 transitions. [2024-11-10 19:05:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:05:34,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:34,209 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:34,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:34,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:34,410 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:34,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:34,410 INFO L85 PathProgramCache]: Analyzing trace with hash -58253050, now seen corresponding path program 1 times [2024-11-10 19:05:34,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:34,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498286044] [2024-11-10 19:05:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:34,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:34,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498286044] [2024-11-10 19:05:34,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498286044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:34,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772687788] [2024-11-10 19:05:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:34,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:34,475 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:34,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:05:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:34,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:34,560 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:34,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772687788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:34,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:34,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:05:34,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461415666] [2024-11-10 19:05:34,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:34,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:34,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:34,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:34,562 INFO L87 Difference]: Start difference. First operand 336 states and 410 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:34,623 INFO L93 Difference]: Finished difference Result 420 states and 508 transitions. [2024-11-10 19:05:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:34,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2024-11-10 19:05:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:34,624 INFO L225 Difference]: With dead ends: 420 [2024-11-10 19:05:34,625 INFO L226 Difference]: Without dead ends: 419 [2024-11-10 19:05:34,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:05:34,625 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 110 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:34,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 629 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-10 19:05:34,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 381. [2024-11-10 19:05:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 293 states have (on average 1.4402730375426622) internal successors, (422), 348 states have internal predecessors, (422), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 19:05:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 484 transitions. [2024-11-10 19:05:34,640 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 484 transitions. Word has length 65 [2024-11-10 19:05:34,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:34,640 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 484 transitions. [2024-11-10 19:05:34,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 484 transitions. [2024-11-10 19:05:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:05:34,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:34,641 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:34,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:34,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:34,845 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:34,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:34,845 INFO L85 PathProgramCache]: Analyzing trace with hash 948313707, now seen corresponding path program 1 times [2024-11-10 19:05:34,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:34,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947512860] [2024-11-10 19:05:34,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:34,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:34,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947512860] [2024-11-10 19:05:34,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947512860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:34,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058577893] [2024-11-10 19:05:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:34,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:34,949 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:34,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:05:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:34,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:35,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:35,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058577893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:35,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:35,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-10 19:05:35,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671732128] [2024-11-10 19:05:35,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:35,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:35,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:35,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:35,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:35,144 INFO L87 Difference]: Start difference. First operand 381 states and 484 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:35,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:35,730 INFO L93 Difference]: Finished difference Result 435 states and 562 transitions. [2024-11-10 19:05:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:35,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2024-11-10 19:05:35,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:35,734 INFO L225 Difference]: With dead ends: 435 [2024-11-10 19:05:35,734 INFO L226 Difference]: Without dead ends: 434 [2024-11-10 19:05:35,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:35,734 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 67 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:35,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 154 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:35,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-10 19:05:35,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 382. [2024-11-10 19:05:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 294 states have (on average 1.435374149659864) internal successors, (422), 349 states have internal predecessors, (422), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 19:05:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 484 transitions. [2024-11-10 19:05:35,748 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 484 transitions. Word has length 67 [2024-11-10 19:05:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:35,749 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 484 transitions. [2024-11-10 19:05:35,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 484 transitions. [2024-11-10 19:05:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:35,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:35,749 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:35,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:35,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:05:35,950 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:35,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:35,951 INFO L85 PathProgramCache]: Analyzing trace with hash -249721833, now seen corresponding path program 1 times [2024-11-10 19:05:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:35,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971170422] [2024-11-10 19:05:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:35,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:36,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971170422] [2024-11-10 19:05:36,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971170422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:36,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716428596] [2024-11-10 19:05:36,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:36,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:36,019 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:36,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:05:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:36,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:36,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:36,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716428596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:05:36,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:05:36,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:05:36,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790661181] [2024-11-10 19:05:36,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:05:36,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:05:36,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:05:36,187 INFO L87 Difference]: Start difference. First operand 382 states and 484 transitions. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:05:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,315 INFO L93 Difference]: Finished difference Result 985 states and 1186 transitions. [2024-11-10 19:05:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:05:36,316 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 68 [2024-11-10 19:05:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,318 INFO L225 Difference]: With dead ends: 985 [2024-11-10 19:05:36,318 INFO L226 Difference]: Without dead ends: 885 [2024-11-10 19:05:36,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:05:36,319 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 337 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 787 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:05:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2024-11-10 19:05:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 747. [2024-11-10 19:05:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 625 states have (on average 1.4128) internal successors, (883), 685 states have internal predecessors, (883), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 19:05:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1007 transitions. [2024-11-10 19:05:36,361 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1007 transitions. Word has length 68 [2024-11-10 19:05:36,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,362 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1007 transitions. [2024-11-10 19:05:36,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:05:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1007 transitions. [2024-11-10 19:05:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:36,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,363 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:36,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:36,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:36,568 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:36,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1459274835, now seen corresponding path program 1 times [2024-11-10 19:05:36,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858815639] [2024-11-10 19:05:36,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:36,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685073446] [2024-11-10 19:05:36,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:36,584 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:36,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:05:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:36,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:36,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:36,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858815639] [2024-11-10 19:05:36,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:36,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685073446] [2024-11-10 19:05:36,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685073446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:36,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:36,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:36,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149056253] [2024-11-10 19:05:36,930 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:36,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:36,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:36,931 INFO L87 Difference]: Start difference. First operand 747 states and 1007 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:37,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:37,294 INFO L93 Difference]: Finished difference Result 792 states and 1070 transitions. [2024-11-10 19:05:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:37,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-10 19:05:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:37,301 INFO L225 Difference]: With dead ends: 792 [2024-11-10 19:05:37,301 INFO L226 Difference]: Without dead ends: 790 [2024-11-10 19:05:37,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:37,302 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 41 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:37,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 209 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-10 19:05:37,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 750. [2024-11-10 19:05:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 628 states have (on average 1.4044585987261147) internal successors, (882), 688 states have internal predecessors, (882), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 19:05:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1006 transitions. [2024-11-10 19:05:37,333 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1006 transitions. Word has length 68 [2024-11-10 19:05:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:37,333 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1006 transitions. [2024-11-10 19:05:37,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1006 transitions. [2024-11-10 19:05:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 19:05:37,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:37,336 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:37,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:05:37,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:37,537 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:37,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:37,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2007120469, now seen corresponding path program 1 times [2024-11-10 19:05:37,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:37,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882654728] [2024-11-10 19:05:37,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:37,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504068075] [2024-11-10 19:05:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:37,550 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:37,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:05:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:37,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:37,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:39,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:39,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882654728] [2024-11-10 19:05:39,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:39,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504068075] [2024-11-10 19:05:39,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504068075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:39,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:39,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:39,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757853702] [2024-11-10 19:05:39,360 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:39,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:39,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:39,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:39,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:05:39,361 INFO L87 Difference]: Start difference. First operand 750 states and 1006 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:39,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:39,596 INFO L93 Difference]: Finished difference Result 792 states and 1063 transitions. [2024-11-10 19:05:39,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:39,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2024-11-10 19:05:39,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:39,599 INFO L225 Difference]: With dead ends: 792 [2024-11-10 19:05:39,599 INFO L226 Difference]: Without dead ends: 790 [2024-11-10 19:05:39,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:05:39,600 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:39,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 156 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-10 19:05:39,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 753. [2024-11-10 19:05:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 631 states have (on average 1.3961965134706815) internal successors, (881), 691 states have internal predecessors, (881), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 19:05:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1005 transitions. [2024-11-10 19:05:39,630 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1005 transitions. Word has length 69 [2024-11-10 19:05:39,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:39,630 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1005 transitions. [2024-11-10 19:05:39,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1005 transitions. [2024-11-10 19:05:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:05:39,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:39,630 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:39,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:39,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:39,831 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:39,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash -408707671, now seen corresponding path program 1 times [2024-11-10 19:05:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:39,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771082246] [2024-11-10 19:05:39,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:39,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:39,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [546638424] [2024-11-10 19:05:39,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:39,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:39,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:39,842 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:39,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:05:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:39,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-10 19:05:39,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:39,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:39,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771082246] [2024-11-10 19:05:39,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:39,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546638424] [2024-11-10 19:05:39,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546638424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:39,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:39,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:39,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960091746] [2024-11-10 19:05:39,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:39,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:39,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:39,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:39,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:39,931 INFO L87 Difference]: Start difference. First operand 753 states and 1005 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:40,334 INFO L93 Difference]: Finished difference Result 807 states and 1058 transitions. [2024-11-10 19:05:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:40,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-10 19:05:40,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:40,336 INFO L225 Difference]: With dead ends: 807 [2024-11-10 19:05:40,336 INFO L226 Difference]: Without dead ends: 806 [2024-11-10 19:05:40,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:40,337 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 128 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:40,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 185 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:40,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-10 19:05:40,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 753. [2024-11-10 19:05:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 631 states have (on average 1.3914421553090333) internal successors, (878), 691 states have internal predecessors, (878), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 19:05:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1002 transitions. [2024-11-10 19:05:40,375 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1002 transitions. Word has length 72 [2024-11-10 19:05:40,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:40,375 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1002 transitions. [2024-11-10 19:05:40,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1002 transitions. [2024-11-10 19:05:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 19:05:40,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:40,376 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:05:40,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:40,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:05:40,576 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:40,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:40,578 INFO L85 PathProgramCache]: Analyzing trace with hash 214964177, now seen corresponding path program 1 times [2024-11-10 19:05:40,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:40,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776521342] [2024-11-10 19:05:40,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:40,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690099947] [2024-11-10 19:05:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:40,590 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:40,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:05:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:40,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-10 19:05:40,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:40,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776521342] [2024-11-10 19:05:40,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690099947] [2024-11-10 19:05:40,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690099947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:40,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:40,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:40,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662394501] [2024-11-10 19:05:40,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:40,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:40,771 INFO L87 Difference]: Start difference. First operand 753 states and 1002 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:41,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:41,327 INFO L93 Difference]: Finished difference Result 809 states and 1055 transitions. [2024-11-10 19:05:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:41,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-11-10 19:05:41,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:41,330 INFO L225 Difference]: With dead ends: 809 [2024-11-10 19:05:41,330 INFO L226 Difference]: Without dead ends: 806 [2024-11-10 19:05:41,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:41,330 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 128 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:41,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 188 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:41,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-10 19:05:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 762. [2024-11-10 19:05:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 640 states have (on average 1.3828125) internal successors, (885), 700 states have internal predecessors, (885), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 19:05:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1009 transitions. [2024-11-10 19:05:41,358 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1009 transitions. Word has length 73 [2024-11-10 19:05:41,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:41,358 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1009 transitions. [2024-11-10 19:05:41,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1009 transitions. [2024-11-10 19:05:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:05:41,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:41,359 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:41,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:41,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:05:41,560 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:41,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:41,560 INFO L85 PathProgramCache]: Analyzing trace with hash 280358814, now seen corresponding path program 1 times [2024-11-10 19:05:41,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:41,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828182300] [2024-11-10 19:05:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:41,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [570243023] [2024-11-10 19:05:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:41,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:41,573 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:41,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:05:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:41,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:41,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:41,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:42,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:42,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828182300] [2024-11-10 19:05:42,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:42,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570243023] [2024-11-10 19:05:42,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570243023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:42,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:42,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:42,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940835774] [2024-11-10 19:05:42,008 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:42,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:42,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:42,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:42,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:42,008 INFO L87 Difference]: Start difference. First operand 762 states and 1009 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:42,501 INFO L93 Difference]: Finished difference Result 931 states and 1238 transitions. [2024-11-10 19:05:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:05:42,502 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-11-10 19:05:42,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:42,505 INFO L225 Difference]: With dead ends: 931 [2024-11-10 19:05:42,505 INFO L226 Difference]: Without dead ends: 927 [2024-11-10 19:05:42,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:42,505 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 417 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:42,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 362 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:42,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-10 19:05:42,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 832. [2024-11-10 19:05:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 702 states have (on average 1.3945868945868947) internal successors, (979), 764 states have internal predecessors, (979), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 19:05:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1119 transitions. [2024-11-10 19:05:42,541 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1119 transitions. Word has length 79 [2024-11-10 19:05:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:42,541 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1119 transitions. [2024-11-10 19:05:42,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1119 transitions. [2024-11-10 19:05:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 19:05:42,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:42,542 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:42,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:42,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:05:42,743 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:42,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:42,743 INFO L85 PathProgramCache]: Analyzing trace with hash 101188727, now seen corresponding path program 1 times [2024-11-10 19:05:42,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:42,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075811000] [2024-11-10 19:05:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:42,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216939744] [2024-11-10 19:05:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:42,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:42,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:42,757 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:42,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:05:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:42,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:42,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:43,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:43,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:43,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075811000] [2024-11-10 19:05:43,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:43,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216939744] [2024-11-10 19:05:43,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216939744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:43,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:43,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:43,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911591172] [2024-11-10 19:05:43,700 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:43,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:43,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:43,702 INFO L87 Difference]: Start difference. First operand 832 states and 1119 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:44,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:44,014 INFO L93 Difference]: Finished difference Result 854 states and 1132 transitions. [2024-11-10 19:05:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:05:44,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 80 [2024-11-10 19:05:44,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:44,017 INFO L225 Difference]: With dead ends: 854 [2024-11-10 19:05:44,017 INFO L226 Difference]: Without dead ends: 848 [2024-11-10 19:05:44,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:44,017 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 221 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:44,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 423 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:44,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-10 19:05:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 826. [2024-11-10 19:05:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 702 states have (on average 1.3504273504273505) internal successors, (948), 758 states have internal predecessors, (948), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 19:05:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1088 transitions. [2024-11-10 19:05:44,047 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1088 transitions. Word has length 80 [2024-11-10 19:05:44,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:44,047 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1088 transitions. [2024-11-10 19:05:44,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1088 transitions. [2024-11-10 19:05:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:05:44,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:44,048 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:44,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:44,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:44,249 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:44,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1158116676, now seen corresponding path program 1 times [2024-11-10 19:05:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:44,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623930508] [2024-11-10 19:05:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:44,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:44,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623222566] [2024-11-10 19:05:44,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:44,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:44,260 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:44,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:05:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:44,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:44,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:44,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:44,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:44,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623930508] [2024-11-10 19:05:44,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:44,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623222566] [2024-11-10 19:05:44,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623222566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:44,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:44,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:05:44,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847260929] [2024-11-10 19:05:44,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:44,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:05:44,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:44,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:05:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:05:44,743 INFO L87 Difference]: Start difference. First operand 826 states and 1088 transitions. Second operand has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:45,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:45,486 INFO L93 Difference]: Finished difference Result 1083 states and 1474 transitions. [2024-11-10 19:05:45,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:05:45,486 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 81 [2024-11-10 19:05:45,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:45,489 INFO L225 Difference]: With dead ends: 1083 [2024-11-10 19:05:45,489 INFO L226 Difference]: Without dead ends: 1075 [2024-11-10 19:05:45,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:05:45,490 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 358 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:45,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 358 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:45,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-10 19:05:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1041. [2024-11-10 19:05:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 897 states have (on average 1.3857302118171684) internal successors, (1243), 955 states have internal predecessors, (1243), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-10 19:05:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1423 transitions. [2024-11-10 19:05:45,528 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1423 transitions. Word has length 81 [2024-11-10 19:05:45,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:45,528 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1423 transitions. [2024-11-10 19:05:45,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1423 transitions. [2024-11-10 19:05:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:05:45,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:45,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:45,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:45,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:45,733 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:45,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1541878507, now seen corresponding path program 1 times [2024-11-10 19:05:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:45,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112609974] [2024-11-10 19:05:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:45,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212034277] [2024-11-10 19:05:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:45,748 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:45,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:05:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:45,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:45,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:46,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:46,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:46,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112609974] [2024-11-10 19:05:46,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:46,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212034277] [2024-11-10 19:05:46,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212034277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:46,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:46,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:05:46,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666009829] [2024-11-10 19:05:46,864 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:46,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:05:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:05:46,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:05:46,865 INFO L87 Difference]: Start difference. First operand 1041 states and 1423 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:47,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:47,690 INFO L93 Difference]: Finished difference Result 1171 states and 1601 transitions. [2024-11-10 19:05:47,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:05:47,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 82 [2024-11-10 19:05:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:47,693 INFO L225 Difference]: With dead ends: 1171 [2024-11-10 19:05:47,693 INFO L226 Difference]: Without dead ends: 1169 [2024-11-10 19:05:47,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:05:47,694 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 509 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:47,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 336 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:47,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-10 19:05:47,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1093. [2024-11-10 19:05:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 944 states have (on average 1.3760593220338984) internal successors, (1299), 1002 states have internal predecessors, (1299), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-10 19:05:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1489 transitions. [2024-11-10 19:05:47,734 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1489 transitions. Word has length 82 [2024-11-10 19:05:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:47,735 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1489 transitions. [2024-11-10 19:05:47,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1489 transitions. [2024-11-10 19:05:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:05:47,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:47,736 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:47,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:05:47,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-10 19:05:47,936 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:47,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash -553593382, now seen corresponding path program 1 times [2024-11-10 19:05:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:47,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773384908] [2024-11-10 19:05:47,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:47,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461501366] [2024-11-10 19:05:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:47,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:47,949 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:47,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:05:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:05:47,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:48,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:48,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:48,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773384908] [2024-11-10 19:05:48,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:48,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461501366] [2024-11-10 19:05:48,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461501366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:48,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:48,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:05:48,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799353829] [2024-11-10 19:05:48,547 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:48,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:05:48,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:48,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:05:48,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:05:48,549 INFO L87 Difference]: Start difference. First operand 1093 states and 1489 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:49,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:49,909 INFO L93 Difference]: Finished difference Result 1180 states and 1596 transitions. [2024-11-10 19:05:49,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:05:49,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 83 [2024-11-10 19:05:49,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:49,913 INFO L225 Difference]: With dead ends: 1180 [2024-11-10 19:05:49,913 INFO L226 Difference]: Without dead ends: 1094 [2024-11-10 19:05:49,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:05:49,914 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 442 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:49,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 391 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:05:49,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-10 19:05:49,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 952. [2024-11-10 19:05:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 819 states have (on average 1.3772893772893773) internal successors, (1128), 875 states have internal predecessors, (1128), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-10 19:05:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1286 transitions. [2024-11-10 19:05:49,957 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1286 transitions. Word has length 83 [2024-11-10 19:05:49,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:49,958 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1286 transitions. [2024-11-10 19:05:49,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1286 transitions. [2024-11-10 19:05:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 19:05:49,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:49,960 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 19:05:49,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:50,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-10 19:05:50,162 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:50,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:50,163 INFO L85 PathProgramCache]: Analyzing trace with hash 18474419, now seen corresponding path program 1 times [2024-11-10 19:05:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:50,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015384484] [2024-11-10 19:05:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:50,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595658830] [2024-11-10 19:05:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:50,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:50,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:50,174 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:50,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:05:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:50,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:50,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:50,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015384484] [2024-11-10 19:05:50,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595658830] [2024-11-10 19:05:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595658830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:50,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960873289] [2024-11-10 19:05:50,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:50,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:50,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:50,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:50,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:50,774 INFO L87 Difference]: Start difference. First operand 952 states and 1286 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:51,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:51,677 INFO L93 Difference]: Finished difference Result 1040 states and 1406 transitions. [2024-11-10 19:05:51,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:05:51,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 84 [2024-11-10 19:05:51,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:51,680 INFO L225 Difference]: With dead ends: 1040 [2024-11-10 19:05:51,680 INFO L226 Difference]: Without dead ends: 1036 [2024-11-10 19:05:51,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:05:51,681 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 223 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:51,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 434 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:51,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-10 19:05:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1018. [2024-11-10 19:05:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 881 states have (on average 1.3654937570942112) internal successors, (1203), 935 states have internal predecessors, (1203), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-10 19:05:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1373 transitions. [2024-11-10 19:05:51,717 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1373 transitions. Word has length 84 [2024-11-10 19:05:51,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:51,718 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1373 transitions. [2024-11-10 19:05:51,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:51,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1373 transitions. [2024-11-10 19:05:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:05:51,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:51,719 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:05:51,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:51,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:51,920 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:51,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:51,920 INFO L85 PathProgramCache]: Analyzing trace with hash -393397449, now seen corresponding path program 1 times [2024-11-10 19:05:51,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:51,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647828381] [2024-11-10 19:05:51,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:51,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:51,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783504301] [2024-11-10 19:05:51,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:51,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:51,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:51,931 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:51,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:05:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:51,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-10 19:05:52,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:53,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647828381] [2024-11-10 19:05:53,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783504301] [2024-11-10 19:05:53,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783504301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:53,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:53,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183487056] [2024-11-10 19:05:53,540 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:53,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:53,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-10 19:05:53,541 INFO L87 Difference]: Start difference. First operand 1018 states and 1373 transitions. Second operand has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 19:05:54,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:54,057 INFO L93 Difference]: Finished difference Result 1288 states and 1775 transitions. [2024-11-10 19:05:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:05:54,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2024-11-10 19:05:54,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:54,060 INFO L225 Difference]: With dead ends: 1288 [2024-11-10 19:05:54,060 INFO L226 Difference]: Without dead ends: 1286 [2024-11-10 19:05:54,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-10 19:05:54,061 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 329 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:54,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 358 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:54,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-11-10 19:05:54,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1238. [2024-11-10 19:05:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1078 states have (on average 1.398886827458256) internal successors, (1508), 1133 states have internal predecessors, (1508), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 19:05:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1724 transitions. [2024-11-10 19:05:54,106 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1724 transitions. Word has length 90 [2024-11-10 19:05:54,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:54,106 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1724 transitions. [2024-11-10 19:05:54,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 19:05:54,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1724 transitions. [2024-11-10 19:05:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 19:05:54,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:54,107 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 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] [2024-11-10 19:05:54,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:05:54,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:54,308 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:54,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash 689581041, now seen corresponding path program 1 times [2024-11-10 19:05:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:54,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927077467] [2024-11-10 19:05:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:54,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:54,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517531585] [2024-11-10 19:05:54,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:54,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:54,317 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:54,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:05:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:54,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:54,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-10 19:05:54,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:56,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:56,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927077467] [2024-11-10 19:05:56,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:56,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517531585] [2024-11-10 19:05:56,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517531585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:56,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:56,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:56,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488260524] [2024-11-10 19:05:56,399 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:56,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:56,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:56,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-10 19:05:56,400 INFO L87 Difference]: Start difference. First operand 1238 states and 1724 transitions. Second operand has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 19:05:56,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:56,736 INFO L93 Difference]: Finished difference Result 1243 states and 1724 transitions. [2024-11-10 19:05:56,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:05:56,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2024-11-10 19:05:56,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:56,739 INFO L225 Difference]: With dead ends: 1243 [2024-11-10 19:05:56,739 INFO L226 Difference]: Without dead ends: 1237 [2024-11-10 19:05:56,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-10 19:05:56,740 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 158 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:56,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 335 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-11-10 19:05:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1014. [2024-11-10 19:05:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 882 states have (on average 1.3129251700680271) internal successors, (1158), 928 states have internal predecessors, (1158), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-10 19:05:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1330 transitions. [2024-11-10 19:05:56,788 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1330 transitions. Word has length 91 [2024-11-10 19:05:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:56,788 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1330 transitions. [2024-11-10 19:05:56,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 19:05:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1330 transitions. [2024-11-10 19:05:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 19:05:56,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:56,788 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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] [2024-11-10 19:05:56,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:56,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:56,992 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:56,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:56,993 INFO L85 PathProgramCache]: Analyzing trace with hash 480285107, now seen corresponding path program 1 times [2024-11-10 19:05:56,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:56,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543947638] [2024-11-10 19:05:56,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:57,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282408934] [2024-11-10 19:05:57,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:57,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:57,002 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:57,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:05:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:05:57,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-10 19:05:57,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:57,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:57,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543947638] [2024-11-10 19:05:57,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:57,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282408934] [2024-11-10 19:05:57,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282408934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:57,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:57,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:05:57,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443751136] [2024-11-10 19:05:57,436 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:57,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:05:57,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:57,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:05:57,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:05:57,437 INFO L87 Difference]: Start difference. First operand 1014 states and 1330 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:58,307 INFO L93 Difference]: Finished difference Result 1276 states and 1717 transitions. [2024-11-10 19:05:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:05:58,307 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 94 [2024-11-10 19:05:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:58,310 INFO L225 Difference]: With dead ends: 1276 [2024-11-10 19:05:58,310 INFO L226 Difference]: Without dead ends: 1272 [2024-11-10 19:05:58,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:05:58,311 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 345 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:58,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 360 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2024-11-10 19:05:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1144. [2024-11-10 19:05:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 998 states have (on average 1.3356713426853708) internal successors, (1333), 1046 states have internal predecessors, (1333), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-10 19:05:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1533 transitions. [2024-11-10 19:05:58,364 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1533 transitions. Word has length 94 [2024-11-10 19:05:58,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:58,364 INFO L471 AbstractCegarLoop]: Abstraction has 1144 states and 1533 transitions. [2024-11-10 19:05:58,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1533 transitions. [2024-11-10 19:05:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-10 19:05:58,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:58,365 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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] [2024-11-10 19:05:58,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:58,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:05:58,566 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:58,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:58,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2003936493, now seen corresponding path program 1 times [2024-11-10 19:05:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:58,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139144929] [2024-11-10 19:05:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:58,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394747676] [2024-11-10 19:05:58,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:58,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:58,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:58,578 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:58,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:05:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:58,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:58,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-10 19:05:58,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:59,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:59,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139144929] [2024-11-10 19:05:59,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:59,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394747676] [2024-11-10 19:05:59,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394747676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:59,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:59,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:59,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633778578] [2024-11-10 19:05:59,040 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:59,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:59,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:59,041 INFO L87 Difference]: Start difference. First operand 1144 states and 1533 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 19:06:00,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:00,073 INFO L93 Difference]: Finished difference Result 1197 states and 1609 transitions. [2024-11-10 19:06:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:00,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 95 [2024-11-10 19:06:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:00,076 INFO L225 Difference]: With dead ends: 1197 [2024-11-10 19:06:00,076 INFO L226 Difference]: Without dead ends: 1193 [2024-11-10 19:06:00,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:00,077 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 297 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:00,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 345 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:06:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-10 19:06:00,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1175. [2024-11-10 19:06:00,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1028 states have (on average 1.3307392996108949) internal successors, (1368), 1073 states have internal predecessors, (1368), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-10 19:06:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1574 transitions. [2024-11-10 19:06:00,129 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1574 transitions. Word has length 95 [2024-11-10 19:06:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:00,129 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1574 transitions. [2024-11-10 19:06:00,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 19:06:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1574 transitions. [2024-11-10 19:06:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:06:00,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:00,130 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:00,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:00,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:06:00,331 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:00,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:00,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1591034479, now seen corresponding path program 1 times [2024-11-10 19:06:00,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:00,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890282890] [2024-11-10 19:06:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:00,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:00,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890282890] [2024-11-10 19:06:00,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890282890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:00,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466020162] [2024-11-10 19:06:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:00,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:00,397 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:00,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:06:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:06:00,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:00,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:00,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466020162] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:00,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:00,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 19:06:00,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645016274] [2024-11-10 19:06:00,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:00,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:06:00,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:00,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:06:00,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:00,711 INFO L87 Difference]: Start difference. First operand 1175 states and 1574 transitions. Second operand has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:06:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:01,812 INFO L93 Difference]: Finished difference Result 1766 states and 2293 transitions. [2024-11-10 19:06:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-10 19:06:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 104 [2024-11-10 19:06:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:01,817 INFO L225 Difference]: With dead ends: 1766 [2024-11-10 19:06:01,817 INFO L226 Difference]: Without dead ends: 1764 [2024-11-10 19:06:01,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=582, Invalid=1580, Unknown=0, NotChecked=0, Total=2162 [2024-11-10 19:06:01,818 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 1877 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:01,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 765 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-10 19:06:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1332. [2024-11-10 19:06:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1172 states have (on average 1.3361774744027304) internal successors, (1566), 1217 states have internal predecessors, (1566), 116 states have call successors, (116), 6 states have call predecessors, (116), 6 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-10 19:06:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1798 transitions. [2024-11-10 19:06:01,896 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1798 transitions. Word has length 104 [2024-11-10 19:06:01,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:01,896 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1798 transitions. [2024-11-10 19:06:01,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:06:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1798 transitions. [2024-11-10 19:06:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:06:01,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:01,897 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:01,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-10 19:06:02,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:06:02,098 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:02,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:02,098 INFO L85 PathProgramCache]: Analyzing trace with hash -212932578, now seen corresponding path program 1 times [2024-11-10 19:06:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:02,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961210422] [2024-11-10 19:06:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:02,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:02,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961210422] [2024-11-10 19:06:02,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961210422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:02,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658348976] [2024-11-10 19:06:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:02,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:02,178 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:02,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:06:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:02,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:02,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:02,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658348976] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:02,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:02,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-10 19:06:02,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329875051] [2024-11-10 19:06:02,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:02,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 19:06:02,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 19:06:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:06:02,488 INFO L87 Difference]: Start difference. First operand 1332 states and 1798 transitions. Second operand has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 16 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:06:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:03,641 INFO L93 Difference]: Finished difference Result 1936 states and 2524 transitions. [2024-11-10 19:06:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-10 19:06:03,642 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 16 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 104 [2024-11-10 19:06:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:03,645 INFO L225 Difference]: With dead ends: 1936 [2024-11-10 19:06:03,646 INFO L226 Difference]: Without dead ends: 1934 [2024-11-10 19:06:03,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=935, Invalid=2725, Unknown=0, NotChecked=0, Total=3660 [2024-11-10 19:06:03,647 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 2200 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:03,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 711 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2024-11-10 19:06:03,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1556. [2024-11-10 19:06:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1378 states have (on average 1.3432510885341074) internal successors, (1851), 1423 states have internal predecessors, (1851), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-10 19:06:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2119 transitions. [2024-11-10 19:06:03,729 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2119 transitions. Word has length 104 [2024-11-10 19:06:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:03,729 INFO L471 AbstractCegarLoop]: Abstraction has 1556 states and 2119 transitions. [2024-11-10 19:06:03,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 16 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:06:03,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2119 transitions. [2024-11-10 19:06:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:06:03,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:03,730 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:03,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:03,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:06:03,931 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:03,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:03,931 INFO L85 PathProgramCache]: Analyzing trace with hash -212931137, now seen corresponding path program 1 times [2024-11-10 19:06:03,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:03,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039935234] [2024-11-10 19:06:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:03,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:04,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:04,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039935234] [2024-11-10 19:06:04,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039935234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:04,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727743423] [2024-11-10 19:06:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:04,002 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:04,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:06:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:04,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:04,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:04,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:04,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727743423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:04,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:04,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:06:04,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485786192] [2024-11-10 19:06:04,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:04,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:04,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:04,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:04,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:04,326 INFO L87 Difference]: Start difference. First operand 1556 states and 2119 transitions. Second operand has 11 states, 10 states have (on average 19.6) internal successors, (196), 11 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:06:05,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:05,181 INFO L93 Difference]: Finished difference Result 1696 states and 2239 transitions. [2024-11-10 19:06:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:06:05,182 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.6) internal successors, (196), 11 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 104 [2024-11-10 19:06:05,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:05,188 INFO L225 Difference]: With dead ends: 1696 [2024-11-10 19:06:05,188 INFO L226 Difference]: Without dead ends: 1695 [2024-11-10 19:06:05,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:06:05,189 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 1159 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:05,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 534 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:05,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2024-11-10 19:06:05,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1581. [2024-11-10 19:06:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1400 states have (on average 1.3385714285714285) internal successors, (1874), 1445 states have internal predecessors, (1874), 137 states have call successors, (137), 6 states have call predecessors, (137), 6 states have return successors, (137), 129 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-10 19:06:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2148 transitions. [2024-11-10 19:06:05,270 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2148 transitions. Word has length 104 [2024-11-10 19:06:05,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:05,270 INFO L471 AbstractCegarLoop]: Abstraction has 1581 states and 2148 transitions. [2024-11-10 19:06:05,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.6) internal successors, (196), 11 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:06:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2148 transitions. [2024-11-10 19:06:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:06:05,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:05,271 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:05,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:05,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:05,471 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:05,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:05,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1531609277, now seen corresponding path program 1 times [2024-11-10 19:06:05,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:05,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593233786] [2024-11-10 19:06:05,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:05,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:05,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:05,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593233786] [2024-11-10 19:06:05,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593233786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:05,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805116145] [2024-11-10 19:06:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:05,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:05,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:05,550 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:05,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:06:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:05,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:05,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:05,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805116145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:05,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:05,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-10 19:06:05,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060379069] [2024-11-10 19:06:05,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:05,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:05,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:05,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:05,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:05,851 INFO L87 Difference]: Start difference. First operand 1581 states and 2148 transitions. Second operand has 8 states, 7 states have (on average 28.571428571428573) internal successors, (200), 8 states have internal predecessors, (200), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-10 19:06:06,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:06,389 INFO L93 Difference]: Finished difference Result 2079 states and 2855 transitions. [2024-11-10 19:06:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:06,390 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.571428571428573) internal successors, (200), 8 states have internal predecessors, (200), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-11-10 19:06:06,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:06,393 INFO L225 Difference]: With dead ends: 2079 [2024-11-10 19:06:06,393 INFO L226 Difference]: Without dead ends: 2077 [2024-11-10 19:06:06,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:06,394 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 285 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:06,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 395 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:06,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-11-10 19:06:06,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1793. [2024-11-10 19:06:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1594 states have (on average 1.3431618569636135) internal successors, (2141), 1639 states have internal predecessors, (2141), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-10 19:06:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2451 transitions. [2024-11-10 19:06:06,479 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2451 transitions. Word has length 106 [2024-11-10 19:06:06,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:06,479 INFO L471 AbstractCegarLoop]: Abstraction has 1793 states and 2451 transitions. [2024-11-10 19:06:06,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.571428571428573) internal successors, (200), 8 states have internal predecessors, (200), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-10 19:06:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2451 transitions. [2024-11-10 19:06:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:06,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:06,480 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:06,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:06,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-10 19:06:06,680 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:06,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:06,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1806806035, now seen corresponding path program 1 times [2024-11-10 19:06:06,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:06,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891203340] [2024-11-10 19:06:06,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:06,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:06,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:06,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891203340] [2024-11-10 19:06:06,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891203340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:06,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716617341] [2024-11-10 19:06:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:06,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:06,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:06,745 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:06,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:06:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:06,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:06,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:07,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716617341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:07,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:07,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-10 19:06:07,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240297334] [2024-11-10 19:06:07,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:07,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:07,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:07,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:07,048 INFO L87 Difference]: Start difference. First operand 1793 states and 2451 transitions. Second operand has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-10 19:06:07,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:07,576 INFO L93 Difference]: Finished difference Result 2425 states and 3359 transitions. [2024-11-10 19:06:07,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:07,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 109 [2024-11-10 19:06:07,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:07,580 INFO L225 Difference]: With dead ends: 2425 [2024-11-10 19:06:07,580 INFO L226 Difference]: Without dead ends: 2423 [2024-11-10 19:06:07,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:07,581 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 334 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:07,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 354 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:07,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2024-11-10 19:06:07,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2045. [2024-11-10 19:06:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 1825 states have (on average 1.3435616438356164) internal successors, (2452), 1870 states have internal predecessors, (2452), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-10 19:06:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2804 transitions. [2024-11-10 19:06:07,682 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2804 transitions. Word has length 109 [2024-11-10 19:06:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:07,682 INFO L471 AbstractCegarLoop]: Abstraction has 2045 states and 2804 transitions. [2024-11-10 19:06:07,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-10 19:06:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2804 transitions. [2024-11-10 19:06:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 19:06:07,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:07,683 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:07,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:07,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:07,884 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:07,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -419956002, now seen corresponding path program 1 times [2024-11-10 19:06:07,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:07,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579874641] [2024-11-10 19:06:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:06:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-10 19:06:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579874641] [2024-11-10 19:06:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579874641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:06:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:06:07,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895158271] [2024-11-10 19:06:07,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:07,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:07,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:07,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:07,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:07,947 INFO L87 Difference]: Start difference. First operand 2045 states and 2804 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:09,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:09,446 INFO L93 Difference]: Finished difference Result 2093 states and 2851 transitions. [2024-11-10 19:06:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:09,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 116 [2024-11-10 19:06:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:09,449 INFO L225 Difference]: With dead ends: 2093 [2024-11-10 19:06:09,449 INFO L226 Difference]: Without dead ends: 2075 [2024-11-10 19:06:09,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:09,450 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 255 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:09,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 245 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:06:09,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2024-11-10 19:06:09,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2033. [2024-11-10 19:06:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2033 states, 1816 states have (on average 1.3403083700440528) internal successors, (2434), 1859 states have internal predecessors, (2434), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2780 transitions. [2024-11-10 19:06:09,576 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2780 transitions. Word has length 116 [2024-11-10 19:06:09,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:09,577 INFO L471 AbstractCegarLoop]: Abstraction has 2033 states and 2780 transitions. [2024-11-10 19:06:09,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2780 transitions. [2024-11-10 19:06:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 19:06:09,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:09,578 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-11-10 19:06:09,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-10 19:06:09,578 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:09,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash -925962854, now seen corresponding path program 1 times [2024-11-10 19:06:09,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:09,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071937371] [2024-11-10 19:06:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:09,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160442742] [2024-11-10 19:06:09,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:09,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:09,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:09,590 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:09,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:06:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:06:09,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-10 19:06:10,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:11,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:11,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071937371] [2024-11-10 19:06:11,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:11,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160442742] [2024-11-10 19:06:11,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160442742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:11,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:11,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:06:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850640597] [2024-11-10 19:06:11,417 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:11,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:06:11,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:11,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:06:11,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=200, Unknown=1, NotChecked=0, Total=272 [2024-11-10 19:06:11,417 INFO L87 Difference]: Start difference. First operand 2033 states and 2780 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:12,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:12,408 INFO L93 Difference]: Finished difference Result 2115 states and 2895 transitions. [2024-11-10 19:06:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:06:12,408 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 117 [2024-11-10 19:06:12,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:12,411 INFO L225 Difference]: With dead ends: 2115 [2024-11-10 19:06:12,411 INFO L226 Difference]: Without dead ends: 2113 [2024-11-10 19:06:12,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=191, Invalid=510, Unknown=1, NotChecked=0, Total=702 [2024-11-10 19:06:12,413 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 460 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:12,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 414 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:06:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-10 19:06:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2054. [2024-11-10 19:06:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1834 states have (on average 1.3369683751363142) internal successors, (2452), 1877 states have internal predecessors, (2452), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-10 19:06:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2804 transitions. [2024-11-10 19:06:12,521 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2804 transitions. Word has length 117 [2024-11-10 19:06:12,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:12,522 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2804 transitions. [2024-11-10 19:06:12,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2804 transitions. [2024-11-10 19:06:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 19:06:12,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:12,523 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-11-10 19:06:12,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-10 19:06:12,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-10 19:06:12,724 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:12,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2064955138, now seen corresponding path program 2 times [2024-11-10 19:06:12,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:12,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128772534] [2024-11-10 19:06:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:12,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:12,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550930158] [2024-11-10 19:06:12,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:12,743 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:12,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:06:12,787 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:12,788 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:12,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:06:12,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 21 proven. 37 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:06:13,225 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:13,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:13,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128772534] [2024-11-10 19:06:13,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:13,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550930158] [2024-11-10 19:06:13,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550930158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:13,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:13,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-10 19:06:13,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384107541] [2024-11-10 19:06:13,342 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:13,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:06:13,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:13,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:06:13,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:06:13,343 INFO L87 Difference]: Start difference. First operand 2054 states and 2804 transitions. Second operand has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:14,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:14,368 INFO L93 Difference]: Finished difference Result 2124 states and 2893 transitions. [2024-11-10 19:06:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:06:14,369 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) Word has length 117 [2024-11-10 19:06:14,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:14,372 INFO L225 Difference]: With dead ends: 2124 [2024-11-10 19:06:14,372 INFO L226 Difference]: Without dead ends: 2120 [2024-11-10 19:06:14,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:06:14,373 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 438 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:14,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 680 Invalid, 1942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:06:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2024-11-10 19:06:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2074. [2024-11-10 19:06:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1852 states have (on average 1.3336933045356372) internal successors, (2470), 1895 states have internal predecessors, (2470), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 172 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-10 19:06:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2826 transitions. [2024-11-10 19:06:14,474 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2826 transitions. Word has length 117 [2024-11-10 19:06:14,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:14,475 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2826 transitions. [2024-11-10 19:06:14,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2826 transitions. [2024-11-10 19:06:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 19:06:14,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:14,475 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2024-11-10 19:06:14,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:14,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 19:06:14,676 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:14,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1359922696, now seen corresponding path program 1 times [2024-11-10 19:06:14,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:14,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972612333] [2024-11-10 19:06:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:14,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:14,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193833789] [2024-11-10 19:06:14,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:14,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:14,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:14,686 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:14,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:06:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:14,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:06:14,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-10 19:06:15,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:17,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:17,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972612333] [2024-11-10 19:06:17,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:17,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193833789] [2024-11-10 19:06:17,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193833789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:17,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:17,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:06:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950109693] [2024-11-10 19:06:17,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:17,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:06:17,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:17,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:06:17,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=189, Unknown=1, NotChecked=0, Total=272 [2024-11-10 19:06:17,040 INFO L87 Difference]: Start difference. First operand 2074 states and 2826 transitions. Second operand has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:17,570 INFO L93 Difference]: Finished difference Result 2093 states and 2841 transitions. [2024-11-10 19:06:17,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:06:17,570 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 118 [2024-11-10 19:06:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:17,573 INFO L225 Difference]: With dead ends: 2093 [2024-11-10 19:06:17,573 INFO L226 Difference]: Without dead ends: 2091 [2024-11-10 19:06:17,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=196, Invalid=403, Unknown=1, NotChecked=0, Total=600 [2024-11-10 19:06:17,574 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 396 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:17,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 306 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2024-11-10 19:06:17,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 2074. [2024-11-10 19:06:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1852 states have (on average 1.3326133909287257) internal successors, (2468), 1895 states have internal predecessors, (2468), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 172 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-10 19:06:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2824 transitions. [2024-11-10 19:06:17,670 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2824 transitions. Word has length 118 [2024-11-10 19:06:17,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:17,670 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2824 transitions. [2024-11-10 19:06:17,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2824 transitions. [2024-11-10 19:06:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 19:06:17,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:17,671 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2024-11-10 19:06:17,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:17,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:06:17,872 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:17,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 410900260, now seen corresponding path program 2 times [2024-11-10 19:06:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:17,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908560739] [2024-11-10 19:06:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:17,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:17,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [560539052] [2024-11-10 19:06:17,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:17,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:17,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:17,887 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:17,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-10 19:06:17,933 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:17,933 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:17,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:06:17,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:18,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:18,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:18,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908560739] [2024-11-10 19:06:18,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:18,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560539052] [2024-11-10 19:06:18,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560539052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:18,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:18,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:18,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271231741] [2024-11-10 19:06:18,764 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:18,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:18,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:18,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:18,765 INFO L87 Difference]: Start difference. First operand 2074 states and 2824 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:19,456 INFO L93 Difference]: Finished difference Result 2101 states and 2848 transitions. [2024-11-10 19:06:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:19,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 118 [2024-11-10 19:06:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:19,459 INFO L225 Difference]: With dead ends: 2101 [2024-11-10 19:06:19,459 INFO L226 Difference]: Without dead ends: 2099 [2024-11-10 19:06:19,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:19,460 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 190 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:19,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 354 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-10 19:06:19,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2074. [2024-11-10 19:06:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1852 states have (on average 1.3315334773218142) internal successors, (2466), 1895 states have internal predecessors, (2466), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 172 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-10 19:06:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2822 transitions. [2024-11-10 19:06:19,558 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2822 transitions. Word has length 118 [2024-11-10 19:06:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:19,558 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2822 transitions. [2024-11-10 19:06:19,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:19,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2822 transitions. [2024-11-10 19:06:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 19:06:19,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:19,559 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2024-11-10 19:06:19,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:19,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-10 19:06:19,764 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:19,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:19,764 INFO L85 PathProgramCache]: Analyzing trace with hash -792069288, now seen corresponding path program 1 times [2024-11-10 19:06:19,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:19,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738871991] [2024-11-10 19:06:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127232186] [2024-11-10 19:06:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:19,782 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:19,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-10 19:06:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:06:19,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:20,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:20,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:20,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738871991] [2024-11-10 19:06:20,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:20,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127232186] [2024-11-10 19:06:20,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127232186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:20,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:20,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:20,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442630147] [2024-11-10 19:06:20,145 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:20,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:20,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:20,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:20,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:20,146 INFO L87 Difference]: Start difference. First operand 2074 states and 2822 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:06:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:20,827 INFO L93 Difference]: Finished difference Result 2137 states and 2905 transitions. [2024-11-10 19:06:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:20,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 119 [2024-11-10 19:06:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:20,831 INFO L225 Difference]: With dead ends: 2137 [2024-11-10 19:06:20,831 INFO L226 Difference]: Without dead ends: 2133 [2024-11-10 19:06:20,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:20,832 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 227 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:20,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 353 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2024-11-10 19:06:20,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2031. [2024-11-10 19:06:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2031 states, 1818 states have (on average 1.2882288228822882) internal successors, (2342), 1857 states have internal predecessors, (2342), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2688 transitions. [2024-11-10 19:06:20,937 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2688 transitions. Word has length 119 [2024-11-10 19:06:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:20,937 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2688 transitions. [2024-11-10 19:06:20,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:06:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2688 transitions. [2024-11-10 19:06:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:20,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:20,938 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2024-11-10 19:06:20,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:21,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-10 19:06:21,139 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:21,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:21,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1215655942, now seen corresponding path program 1 times [2024-11-10 19:06:21,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:21,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090789967] [2024-11-10 19:06:21,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:21,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:21,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539692195] [2024-11-10 19:06:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:21,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:21,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:21,157 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:21,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-10 19:06:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:21,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:21,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:21,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:21,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:21,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090789967] [2024-11-10 19:06:21,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:21,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539692195] [2024-11-10 19:06:21,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539692195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:21,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:21,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:06:21,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742712851] [2024-11-10 19:06:21,978 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:21,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:21,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:21,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:21,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:21,979 INFO L87 Difference]: Start difference. First operand 2031 states and 2688 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:06:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:22,423 INFO L93 Difference]: Finished difference Result 2042 states and 2698 transitions. [2024-11-10 19:06:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:22,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 120 [2024-11-10 19:06:22,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:22,427 INFO L225 Difference]: With dead ends: 2042 [2024-11-10 19:06:22,427 INFO L226 Difference]: Without dead ends: 2040 [2024-11-10 19:06:22,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:22,428 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 81 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:22,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 269 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:22,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2024-11-10 19:06:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 2031. [2024-11-10 19:06:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2031 states, 1818 states have (on average 1.2871287128712872) internal successors, (2340), 1857 states have internal predecessors, (2340), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2686 transitions. [2024-11-10 19:06:22,532 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2686 transitions. Word has length 120 [2024-11-10 19:06:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:22,532 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2686 transitions. [2024-11-10 19:06:22,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:06:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2686 transitions. [2024-11-10 19:06:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:22,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:22,533 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2024-11-10 19:06:22,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:22,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-10 19:06:22,734 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:22,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash -261838302, now seen corresponding path program 2 times [2024-11-10 19:06:22,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:22,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763462919] [2024-11-10 19:06:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:22,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:22,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876283027] [2024-11-10 19:06:22,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:22,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:22,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:22,752 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:22,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-10 19:06:22,799 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:22,800 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:22,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:06:22,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:23,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:24,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:24,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763462919] [2024-11-10 19:06:24,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:24,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876283027] [2024-11-10 19:06:24,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876283027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:24,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:06:24,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-10 19:06:24,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087287366] [2024-11-10 19:06:24,147 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:24,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:06:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:06:24,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:24,148 INFO L87 Difference]: Start difference. First operand 2031 states and 2686 transitions. Second operand has 9 states, 8 states have (on average 20.5) internal successors, (164), 9 states have internal predecessors, (164), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-10 19:06:29,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:29,309 INFO L93 Difference]: Finished difference Result 2071 states and 2727 transitions. [2024-11-10 19:06:29,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:06:29,310 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 20.5) internal successors, (164), 9 states have internal predecessors, (164), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 120 [2024-11-10 19:06:29,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:29,312 INFO L225 Difference]: With dead ends: 2071 [2024-11-10 19:06:29,312 INFO L226 Difference]: Without dead ends: 2069 [2024-11-10 19:06:29,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:29,313 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 444 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:29,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 534 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-10 19:06:29,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-11-10 19:06:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2035. [2024-11-10 19:06:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 1822 states have (on average 1.283205268935236) internal successors, (2338), 1861 states have internal predecessors, (2338), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2684 transitions. [2024-11-10 19:06:29,422 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2684 transitions. Word has length 120 [2024-11-10 19:06:29,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:29,423 INFO L471 AbstractCegarLoop]: Abstraction has 2035 states and 2684 transitions. [2024-11-10 19:06:29,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 20.5) internal successors, (164), 9 states have internal predecessors, (164), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-10 19:06:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2684 transitions. [2024-11-10 19:06:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:06:29,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:29,425 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:29,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:29,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-10 19:06:29,625 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:29,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash -969371370, now seen corresponding path program 1 times [2024-11-10 19:06:29,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:29,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669953654] [2024-11-10 19:06:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:29,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:29,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954407667] [2024-11-10 19:06:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:29,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:29,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:29,636 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:29,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-10 19:06:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:29,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:29,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:30,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:06:30,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:30,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669953654] [2024-11-10 19:06:30,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:30,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954407667] [2024-11-10 19:06:30,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954407667] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:30,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:30,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:06:30,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165491940] [2024-11-10 19:06:30,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:30,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:30,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:30,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:30,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:30,832 INFO L87 Difference]: Start difference. First operand 2035 states and 2684 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:06:33,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:33,150 INFO L93 Difference]: Finished difference Result 2035 states and 2684 transitions. [2024-11-10 19:06:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:33,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 121 [2024-11-10 19:06:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:33,153 INFO L225 Difference]: With dead ends: 2035 [2024-11-10 19:06:33,153 INFO L226 Difference]: Without dead ends: 2034 [2024-11-10 19:06:33,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:33,153 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 103 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:33,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 142 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 19:06:33,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2024-11-10 19:06:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2034. [2024-11-10 19:06:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1822 states have (on average 1.265642151481888) internal successors, (2306), 1860 states have internal predecessors, (2306), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2652 transitions. [2024-11-10 19:06:33,272 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2652 transitions. Word has length 121 [2024-11-10 19:06:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:33,272 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 2652 transitions. [2024-11-10 19:06:33,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:06:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2652 transitions. [2024-11-10 19:06:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:06:33,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:33,273 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:33,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:33,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:33,474 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:33,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:33,474 INFO L85 PathProgramCache]: Analyzing trace with hash 14258692, now seen corresponding path program 1 times [2024-11-10 19:06:33,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:33,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265496914] [2024-11-10 19:06:33,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:33,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:33,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438057909] [2024-11-10 19:06:33,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:33,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:33,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:33,484 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:33,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-10 19:06:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:33,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:33,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:33,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-10 19:06:34,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:34,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265496914] [2024-11-10 19:06:34,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:34,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438057909] [2024-11-10 19:06:34,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438057909] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:34,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:34,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:06:34,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424116496] [2024-11-10 19:06:34,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:34,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:34,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:34,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:34,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:34,668 INFO L87 Difference]: Start difference. First operand 2034 states and 2652 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:06:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:37,650 INFO L93 Difference]: Finished difference Result 2034 states and 2652 transitions. [2024-11-10 19:06:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:37,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 122 [2024-11-10 19:06:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:37,653 INFO L225 Difference]: With dead ends: 2034 [2024-11-10 19:06:37,653 INFO L226 Difference]: Without dead ends: 2031 [2024-11-10 19:06:37,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:37,654 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 103 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:37,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 142 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-10 19:06:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2024-11-10 19:06:37,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 2031. [2024-11-10 19:06:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2031 states, 1822 states have (on average 1.2371020856201975) internal successors, (2254), 1857 states have internal predecessors, (2254), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2600 transitions. [2024-11-10 19:06:37,769 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2600 transitions. Word has length 122 [2024-11-10 19:06:37,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:37,769 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2600 transitions. [2024-11-10 19:06:37,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:06:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2600 transitions. [2024-11-10 19:06:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 19:06:37,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:37,770 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:37,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:37,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-10 19:06:37,975 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:37,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1545189265, now seen corresponding path program 2 times [2024-11-10 19:06:37,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:37,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513045117] [2024-11-10 19:06:37,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:37,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:37,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995576088] [2024-11-10 19:06:37,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:37,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:37,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:37,986 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:37,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-10 19:06:38,033 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:38,034 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:38,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:06:38,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-10 19:06:38,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:38,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513045117] [2024-11-10 19:06:38,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995576088] [2024-11-10 19:06:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995576088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:38,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:38,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:06:38,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925671811] [2024-11-10 19:06:38,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:38,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:06:38,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:38,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:06:38,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:38,475 INFO L87 Difference]: Start difference. First operand 2031 states and 2600 transitions. Second operand has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:38,975 INFO L93 Difference]: Finished difference Result 2483 states and 3190 transitions. [2024-11-10 19:06:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:38,975 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 128 [2024-11-10 19:06:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:38,978 INFO L225 Difference]: With dead ends: 2483 [2024-11-10 19:06:38,978 INFO L226 Difference]: Without dead ends: 2481 [2024-11-10 19:06:38,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:38,978 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 293 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:38,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 478 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:06:38,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2024-11-10 19:06:39,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2106. [2024-11-10 19:06:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2106 states, 1891 states have (on average 1.239555790586991) internal successors, (2344), 1926 states have internal predecessors, (2344), 179 states have call successors, (179), 6 states have call predecessors, (179), 6 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-10 19:06:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 2702 transitions. [2024-11-10 19:06:39,112 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 2702 transitions. Word has length 128 [2024-11-10 19:06:39,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:39,112 INFO L471 AbstractCegarLoop]: Abstraction has 2106 states and 2702 transitions. [2024-11-10 19:06:39,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2702 transitions. [2024-11-10 19:06:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 19:06:39,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:39,113 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:39,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-10 19:06:39,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:39,313 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:39,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:39,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1022935212, now seen corresponding path program 1 times [2024-11-10 19:06:39,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:39,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859537584] [2024-11-10 19:06:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:39,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233522128] [2024-11-10 19:06:39,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:39,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:39,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:39,326 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:39,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-10 19:06:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:39,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:06:39,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-10 19:06:39,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:40,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:40,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859537584] [2024-11-10 19:06:40,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:40,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233522128] [2024-11-10 19:06:40,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233522128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:40,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:40,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:06:40,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558921098] [2024-11-10 19:06:40,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:40,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:40,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:40,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:40,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:40,148 INFO L87 Difference]: Start difference. First operand 2106 states and 2702 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:40,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:40,891 INFO L93 Difference]: Finished difference Result 2229 states and 2860 transitions. [2024-11-10 19:06:40,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:40,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 131 [2024-11-10 19:06:40,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:40,893 INFO L225 Difference]: With dead ends: 2229 [2024-11-10 19:06:40,893 INFO L226 Difference]: Without dead ends: 2228 [2024-11-10 19:06:40,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:40,894 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 212 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:40,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 582 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:40,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2024-11-10 19:06:41,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2106. [2024-11-10 19:06:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2106 states, 1891 states have (on average 1.2390269698572185) internal successors, (2343), 1926 states have internal predecessors, (2343), 179 states have call successors, (179), 6 states have call predecessors, (179), 6 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-10 19:06:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 2701 transitions. [2024-11-10 19:06:41,023 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 2701 transitions. Word has length 131 [2024-11-10 19:06:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:41,024 INFO L471 AbstractCegarLoop]: Abstraction has 2106 states and 2701 transitions. [2024-11-10 19:06:41,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2701 transitions. [2024-11-10 19:06:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 19:06:41,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:41,025 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:41,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-10 19:06:41,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:41,225 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:41,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:41,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1646220421, now seen corresponding path program 1 times [2024-11-10 19:06:41,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:41,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595406689] [2024-11-10 19:06:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:41,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:41,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465195679] [2024-11-10 19:06:41,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:41,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:41,236 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:41,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-10 19:06:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:41,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:06:41,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 15 proven. 65 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-10 19:06:41,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:42,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:42,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595406689] [2024-11-10 19:06:42,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:42,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465195679] [2024-11-10 19:06:42,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465195679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:42,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:42,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:06:42,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411497917] [2024-11-10 19:06:42,606 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:42,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:42,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:42,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:42,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:06:42,607 INFO L87 Difference]: Start difference. First operand 2106 states and 2701 transitions. Second operand has 11 states, 10 states have (on average 9.6) internal successors, (96), 11 states have internal predecessors, (96), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:43,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:43,785 INFO L93 Difference]: Finished difference Result 2231 states and 2863 transitions. [2024-11-10 19:06:43,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:06:43,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.6) internal successors, (96), 11 states have internal predecessors, (96), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 132 [2024-11-10 19:06:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:43,787 INFO L225 Difference]: With dead ends: 2231 [2024-11-10 19:06:43,787 INFO L226 Difference]: Without dead ends: 2198 [2024-11-10 19:06:43,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:06:43,788 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 125 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:43,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 485 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:06:43,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2024-11-10 19:06:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2081. [2024-11-10 19:06:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1869 states have (on average 1.2397003745318351) internal successors, (2317), 1903 states have internal predecessors, (2317), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-10 19:06:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2669 transitions. [2024-11-10 19:06:43,915 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2669 transitions. Word has length 132 [2024-11-10 19:06:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:43,915 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 2669 transitions. [2024-11-10 19:06:43,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.6) internal successors, (96), 11 states have internal predecessors, (96), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2669 transitions. [2024-11-10 19:06:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-10 19:06:43,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:43,916 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:43,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-10 19:06:44,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-10 19:06:44,117 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:44,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:44,117 INFO L85 PathProgramCache]: Analyzing trace with hash 801177206, now seen corresponding path program 2 times [2024-11-10 19:06:44,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:44,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236381494] [2024-11-10 19:06:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:44,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:44,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [451744092] [2024-11-10 19:06:44,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:44,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:44,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:44,129 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:44,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-10 19:06:44,175 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:44,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:44,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:06:44,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-10 19:06:44,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:44,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:44,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236381494] [2024-11-10 19:06:44,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:44,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451744092] [2024-11-10 19:06:44,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451744092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:44,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:44,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:06:44,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681915861] [2024-11-10 19:06:44,615 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:44,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:06:44,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:44,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:06:44,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:44,616 INFO L87 Difference]: Start difference. First operand 2081 states and 2669 transitions. Second operand has 9 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:06:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:45,122 INFO L93 Difference]: Finished difference Result 2504 states and 3226 transitions. [2024-11-10 19:06:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:45,123 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 139 [2024-11-10 19:06:45,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:45,125 INFO L225 Difference]: With dead ends: 2504 [2024-11-10 19:06:45,125 INFO L226 Difference]: Without dead ends: 2502 [2024-11-10 19:06:45,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:45,126 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 241 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:45,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 469 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:45,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2024-11-10 19:06:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2157. [2024-11-10 19:06:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1939 states have (on average 1.2418772563176896) internal successors, (2408), 1973 states have internal predecessors, (2408), 182 states have call successors, (182), 6 states have call predecessors, (182), 6 states have return successors, (182), 177 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-10 19:06:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2772 transitions. [2024-11-10 19:06:45,255 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2772 transitions. Word has length 139 [2024-11-10 19:06:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:45,255 INFO L471 AbstractCegarLoop]: Abstraction has 2157 states and 2772 transitions. [2024-11-10 19:06:45,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:06:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2772 transitions. [2024-11-10 19:06:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 19:06:45,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:45,256 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:45,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:45,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-10 19:06:45,457 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:45,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1212178210, now seen corresponding path program 1 times [2024-11-10 19:06:45,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:45,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478778748] [2024-11-10 19:06:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:45,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:45,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33415002] [2024-11-10 19:06:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:45,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:45,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:45,474 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:45,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-10 19:06:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:45,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:06:45,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-10 19:06:46,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:46,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:46,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478778748] [2024-11-10 19:06:46,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:46,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33415002] [2024-11-10 19:06:46,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33415002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:46,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:46,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:06:46,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863077001] [2024-11-10 19:06:46,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:46,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:46,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:46,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:46,915 INFO L87 Difference]: Start difference. First operand 2157 states and 2772 transitions. Second operand has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 10 states have internal predecessors, (98), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:06:47,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:47,617 INFO L93 Difference]: Finished difference Result 2269 states and 2917 transitions. [2024-11-10 19:06:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:06:47,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 10 states have internal predecessors, (98), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 142 [2024-11-10 19:06:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:47,620 INFO L225 Difference]: With dead ends: 2269 [2024-11-10 19:06:47,620 INFO L226 Difference]: Without dead ends: 2268 [2024-11-10 19:06:47,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:06:47,621 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 169 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:47,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 619 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:47,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2024-11-10 19:06:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2157. [2024-11-10 19:06:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1939 states have (on average 1.2413615265600826) internal successors, (2407), 1973 states have internal predecessors, (2407), 182 states have call successors, (182), 6 states have call predecessors, (182), 6 states have return successors, (182), 177 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-10 19:06:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2771 transitions. [2024-11-10 19:06:47,753 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2771 transitions. Word has length 142 [2024-11-10 19:06:47,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:47,753 INFO L471 AbstractCegarLoop]: Abstraction has 2157 states and 2771 transitions. [2024-11-10 19:06:47,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 10 states have internal predecessors, (98), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:06:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2771 transitions. [2024-11-10 19:06:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 19:06:47,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:47,754 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:47,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:47,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-10 19:06:47,955 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:47,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1077181088, now seen corresponding path program 1 times [2024-11-10 19:06:47,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:47,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416499533] [2024-11-10 19:06:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568821055] [2024-11-10 19:06:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:47,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:47,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:47,973 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:47,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-10 19:06:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:48,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 19:06:48,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 21 proven. 76 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-10 19:06:48,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:48,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:48,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416499533] [2024-11-10 19:06:48,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:48,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568821055] [2024-11-10 19:06:48,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568821055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:48,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:48,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:06:48,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628843120] [2024-11-10 19:06:48,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:48,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:06:48,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:48,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:06:48,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:48,930 INFO L87 Difference]: Start difference. First operand 2157 states and 2771 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:06:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:50,111 INFO L93 Difference]: Finished difference Result 2274 states and 2924 transitions. [2024-11-10 19:06:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:06:50,112 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 143 [2024-11-10 19:06:50,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:50,114 INFO L225 Difference]: With dead ends: 2274 [2024-11-10 19:06:50,114 INFO L226 Difference]: Without dead ends: 2270 [2024-11-10 19:06:50,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:06:50,115 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 157 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:50,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 593 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:06:50,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-11-10 19:06:50,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2139. [2024-11-10 19:06:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 1923 states have (on average 1.2407696307852314) internal successors, (2386), 1956 states have internal predecessors, (2386), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 176 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-10 19:06:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2746 transitions. [2024-11-10 19:06:50,242 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2746 transitions. Word has length 143 [2024-11-10 19:06:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:50,242 INFO L471 AbstractCegarLoop]: Abstraction has 2139 states and 2746 transitions. [2024-11-10 19:06:50,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:06:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2746 transitions. [2024-11-10 19:06:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 19:06:50,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:50,244 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:50,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:50,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-10 19:06:50,444 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:50,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:50,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1317329846, now seen corresponding path program 1 times [2024-11-10 19:06:50,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:50,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590538182] [2024-11-10 19:06:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:06:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:06:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:06:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 19:06:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:06:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 19:06:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:06:50,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:50,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590538182] [2024-11-10 19:06:50,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590538182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:50,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740779394] [2024-11-10 19:06:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:50,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:50,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:50,541 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:50,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-10 19:06:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:50,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:06:50,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:06:50,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:06:50,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740779394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:50,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:50,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:06:50,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524067499] [2024-11-10 19:06:50,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:50,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:50,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:50,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:50,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:50,996 INFO L87 Difference]: Start difference. First operand 2139 states and 2746 transitions. Second operand has 11 states, 10 states have (on average 30.5) internal successors, (305), 11 states have internal predecessors, (305), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29)