./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:41:20,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:41:20,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 19:41:20,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:41:20,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:41:20,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:41:20,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:41:20,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:41:20,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:41:20,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:41:20,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:41:20,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:41:20,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:41:20,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:41:20,838 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:41:20,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:41:20,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:41:20,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:41:20,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:41:20,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:41:20,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:41:20,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:41:20,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:41:20,842 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:41:20,842 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:41:20,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:41:20,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:41:20,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:41:20,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:41:20,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:41:20,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:41:20,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:41:20,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:41:20,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:41:20,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:41:20,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:41:20,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:41:20,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:41:20,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:41:20,853 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:41:20,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:41:20,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 [2024-10-24 19:41:21,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:41:21,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:41:21,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:41:21,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:41:21,148 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:41:21,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2024-10-24 19:41:22,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:41:22,893 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:41:22,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2024-10-24 19:41:22,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fa31fa0/070db1bb1a854ff4ad0318f884551103/FLAGb8845ea4c [2024-10-24 19:41:23,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fa31fa0/070db1bb1a854ff4ad0318f884551103 [2024-10-24 19:41:23,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:41:23,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:41:23,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:41:23,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:41:23,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:41:23,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10663b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23, skipping insertion in model container [2024-10-24 19:41:23,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:41:23,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:41:23,509 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:41:23,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:41:23,533 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:41:23,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23 WrapperNode [2024-10-24 19:41:23,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:41:23,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:41:23,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:41:23,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:41:23,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,568 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-24 19:41:23,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:41:23,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:41:23,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:41:23,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:41:23,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,585 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 19:41:23,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:41:23,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:41:23,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:41:23,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:41:23,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (1/1) ... [2024-10-24 19:41:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:41:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:23,633 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) [2024-10-24 19:41:23,635 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 [2024-10-24 19:41:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:41:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:41:23,736 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:41:23,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:41:23,818 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-24 19:41:23,818 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:41:23,839 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:41:23,839 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:41:23,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:41:23 BoogieIcfgContainer [2024-10-24 19:41:23,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:41:23,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:41:23,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:41:23,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:41:23,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:41:23" (1/3) ... [2024-10-24 19:41:23,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@959e769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:41:23, skipping insertion in model container [2024-10-24 19:41:23,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:23" (2/3) ... [2024-10-24 19:41:23,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@959e769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:41:23, skipping insertion in model container [2024-10-24 19:41:23,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:41:23" (3/3) ... [2024-10-24 19:41:23,848 INFO L112 eAbstractionObserver]: Analyzing ICFG GopanReps-CAV2006-Fig1a.c [2024-10-24 19:41:23,862 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:41:23,863 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 19:41:23,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:41:23,927 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;@4c8b7abf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:41:23,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 19:41:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 10 states have (on average 1.9) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 19:41:23,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:23,937 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 19:41:23,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:23,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:23,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2066791, now seen corresponding path program 1 times [2024-10-24 19:41:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:23,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617548657] [2024-10-24 19:41:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:24,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617548657] [2024-10-24 19:41:24,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617548657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:41:24,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:41:24,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:41:24,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108697883] [2024-10-24 19:41:24,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:41:24,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:41:24,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:24,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:41:24,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,186 INFO L87 Difference]: Start difference. First operand has 17 states, 10 states have (on average 1.9) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:24,237 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2024-10-24 19:41:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:41:24,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 19:41:24,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:24,247 INFO L225 Difference]: With dead ends: 42 [2024-10-24 19:41:24,248 INFO L226 Difference]: Without dead ends: 23 [2024-10-24 19:41:24,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,256 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:24,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 22 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:41:24,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-24 19:41:24,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-24 19:41:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-10-24 19:41:24,292 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 4 [2024-10-24 19:41:24,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:24,293 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-24 19:41:24,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-10-24 19:41:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 19:41:24,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:24,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 19:41:24,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:41:24,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:24,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:24,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2066599, now seen corresponding path program 1 times [2024-10-24 19:41:24,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:24,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080500225] [2024-10-24 19:41:24,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:24,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080500225] [2024-10-24 19:41:24,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080500225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:41:24,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:41:24,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:41:24,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011291658] [2024-10-24 19:41:24,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:41:24,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:41:24,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:24,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:41:24,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,348 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:24,384 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-10-24 19:41:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:41:24,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 19:41:24,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:24,385 INFO L225 Difference]: With dead ends: 26 [2024-10-24 19:41:24,385 INFO L226 Difference]: Without dead ends: 24 [2024-10-24 19:41:24,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,387 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:24,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:41:24,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-24 19:41:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2024-10-24 19:41:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-24 19:41:24,392 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 4 [2024-10-24 19:41:24,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:24,392 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-24 19:41:24,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-24 19:41:24,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 19:41:24,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:24,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 19:41:24,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:41:24,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:24,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash 64064617, now seen corresponding path program 1 times [2024-10-24 19:41:24,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:24,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079509401] [2024-10-24 19:41:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:24,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:24,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079509401] [2024-10-24 19:41:24,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079509401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:41:24,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:41:24,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:41:24,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068258215] [2024-10-24 19:41:24,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:41:24,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:41:24,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:24,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:41:24,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,437 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:24,466 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-10-24 19:41:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:41:24,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 19:41:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:24,467 INFO L225 Difference]: With dead ends: 20 [2024-10-24 19:41:24,468 INFO L226 Difference]: Without dead ends: 19 [2024-10-24 19:41:24,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,469 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:24,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:41:24,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-24 19:41:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-24 19:41:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-24 19:41:24,478 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 5 [2024-10-24 19:41:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:24,478 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-24 19:41:24,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-10-24 19:41:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 19:41:24,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:24,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 19:41:24,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:41:24,481 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:24,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1986003184, now seen corresponding path program 1 times [2024-10-24 19:41:24,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:24,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968392720] [2024-10-24 19:41:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:24,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:24,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968392720] [2024-10-24 19:41:24,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968392720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:41:24,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:41:24,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:41:24,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863454759] [2024-10-24 19:41:24,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:41:24,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:41:24,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:24,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:41:24,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,540 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:24,552 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-24 19:41:24,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:41:24,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 19:41:24,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:24,554 INFO L225 Difference]: With dead ends: 19 [2024-10-24 19:41:24,554 INFO L226 Difference]: Without dead ends: 18 [2024-10-24 19:41:24,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:41:24,555 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:24,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 7 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:41:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-24 19:41:24,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-24 19:41:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-10-24 19:41:24,565 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2024-10-24 19:41:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:24,565 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-10-24 19:41:24,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-10-24 19:41:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 19:41:24,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:24,567 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:41:24,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:41:24,568 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:24,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:24,568 INFO L85 PathProgramCache]: Analyzing trace with hash 578676022, now seen corresponding path program 1 times [2024-10-24 19:41:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:24,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822494164] [2024-10-24 19:41:24,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:24,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822494164] [2024-10-24 19:41:24,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822494164] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:24,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98569091] [2024-10-24 19:41:24,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:24,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:24,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:24,669 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) [2024-10-24 19:41:24,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:41:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:24,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:41:24,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:24,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98569091] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:24,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:24,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 7 [2024-10-24 19:41:24,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424683559] [2024-10-24 19:41:24,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:24,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:41:24,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:24,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:41:24,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:41:24,873 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:25,002 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2024-10-24 19:41:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:41:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-24 19:41:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:25,004 INFO L225 Difference]: With dead ends: 34 [2024-10-24 19:41:25,004 INFO L226 Difference]: Without dead ends: 23 [2024-10-24 19:41:25,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:41:25,006 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:25,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 7 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:41:25,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-24 19:41:25,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-10-24 19:41:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:25,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-10-24 19:41:25,016 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2024-10-24 19:41:25,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:25,016 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-10-24 19:41:25,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-10-24 19:41:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 19:41:25,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:25,018 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1] [2024-10-24 19:41:25,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 19:41:25,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:25,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:25,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:25,224 INFO L85 PathProgramCache]: Analyzing trace with hash -358707657, now seen corresponding path program 1 times [2024-10-24 19:41:25,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:25,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147297331] [2024-10-24 19:41:25,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:25,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:25,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:25,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147297331] [2024-10-24 19:41:25,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147297331] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:25,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805609566] [2024-10-24 19:41:25,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:25,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:25,308 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) [2024-10-24 19:41:25,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:41:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:25,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:41:25,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:25,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:25,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805609566] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:25,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:25,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 19:41:25,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698852892] [2024-10-24 19:41:25,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:25,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:41:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:25,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:41:25,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:41:25,467 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:25,543 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2024-10-24 19:41:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:41:25,544 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-24 19:41:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:25,545 INFO L225 Difference]: With dead ends: 78 [2024-10-24 19:41:25,545 INFO L226 Difference]: Without dead ends: 77 [2024-10-24 19:41:25,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:41:25,546 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:25,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:41:25,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-24 19:41:25,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2024-10-24 19:41:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 66 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2024-10-24 19:41:25,556 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 17 [2024-10-24 19:41:25,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:25,557 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2024-10-24 19:41:25,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2024-10-24 19:41:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 19:41:25,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:25,558 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-24 19:41:25,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 19:41:25,759 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,SelfDestructingSolverStorable5 [2024-10-24 19:41:25,759 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:25,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1114947233, now seen corresponding path program 1 times [2024-10-24 19:41:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:25,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297112439] [2024-10-24 19:41:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 19:41:25,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:25,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297112439] [2024-10-24 19:41:25,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297112439] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:25,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930868761] [2024-10-24 19:41:25,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:25,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:25,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:25,809 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) [2024-10-24 19:41:25,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:41:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:25,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:41:25,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:25,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:25,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930868761] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:25,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:25,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-10-24 19:41:25,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979943635] [2024-10-24 19:41:25,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:25,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 19:41:25,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:25,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 19:41:25,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:41:25,975 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:26,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:26,048 INFO L93 Difference]: Finished difference Result 159 states and 200 transitions. [2024-10-24 19:41:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:41:26,050 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-10-24 19:41:26,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:26,052 INFO L225 Difference]: With dead ends: 159 [2024-10-24 19:41:26,053 INFO L226 Difference]: Without dead ends: 105 [2024-10-24 19:41:26,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:41:26,056 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 14 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:26,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 33 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:41:26,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-24 19:41:26,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-24 19:41:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 118 transitions. [2024-10-24 19:41:26,069 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 118 transitions. Word has length 19 [2024-10-24 19:41:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:26,070 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 118 transitions. [2024-10-24 19:41:26,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-10-24 19:41:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 19:41:26,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:26,072 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1] [2024-10-24 19:41:26,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 19:41:26,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:26,273 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:26,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:26,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1789312301, now seen corresponding path program 2 times [2024-10-24 19:41:26,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:26,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058606361] [2024-10-24 19:41:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:26,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:26,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058606361] [2024-10-24 19:41:26,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058606361] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:26,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068162770] [2024-10-24 19:41:26,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:41:26,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:26,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:26,462 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) [2024-10-24 19:41:26,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:41:26,505 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:41:26,505 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:26,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:41:26,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:26,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:26,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068162770] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:26,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:26,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-24 19:41:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328525562] [2024-10-24 19:41:26,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:26,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 19:41:26,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:26,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 19:41:26,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:41:26,779 INFO L87 Difference]: Start difference. First operand 105 states and 118 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:26,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:26,933 INFO L93 Difference]: Finished difference Result 562 states and 655 transitions. [2024-10-24 19:41:26,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 19:41:26,936 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-10-24 19:41:26,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:26,943 INFO L225 Difference]: With dead ends: 562 [2024-10-24 19:41:26,944 INFO L226 Difference]: Without dead ends: 561 [2024-10-24 19:41:26,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:41:26,945 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 59 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:26,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 78 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:41:26,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-10-24 19:41:26,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 369. [2024-10-24 19:41:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 367 states have (on average 1.1634877384196185) internal successors, (427), 368 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 427 transitions. [2024-10-24 19:41:27,013 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 427 transitions. Word has length 41 [2024-10-24 19:41:27,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:27,013 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 427 transitions. [2024-10-24 19:41:27,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 427 transitions. [2024-10-24 19:41:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 19:41:27,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:27,016 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 5, 5, 5, 4, 4, 4, 1, 1] [2024-10-24 19:41:27,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:41:27,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:27,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:27,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:27,217 INFO L85 PathProgramCache]: Analyzing trace with hash -419532703, now seen corresponding path program 2 times [2024-10-24 19:41:27,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:27,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3071853] [2024-10-24 19:41:27,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:27,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-24 19:41:27,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3071853] [2024-10-24 19:41:27,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3071853] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563057733] [2024-10-24 19:41:27,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:41:27,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:27,348 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) [2024-10-24 19:41:27,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:41:27,397 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:41:27,397 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:27,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 19:41:27,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-24 19:41:27,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-24 19:41:27,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563057733] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:27,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:27,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-24 19:41:27,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164122985] [2024-10-24 19:41:27,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:27,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:41:27,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:27,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:41:27,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:41:27,545 INFO L87 Difference]: Start difference. First operand 369 states and 427 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:27,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:27,600 INFO L93 Difference]: Finished difference Result 595 states and 690 transitions. [2024-10-24 19:41:27,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:41:27,600 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-10-24 19:41:27,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:27,602 INFO L225 Difference]: With dead ends: 595 [2024-10-24 19:41:27,602 INFO L226 Difference]: Without dead ends: 247 [2024-10-24 19:41:27,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:41:27,605 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:27,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:41:27,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-24 19:41:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-10-24 19:41:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 245 states have (on average 1.1346938775510205) internal successors, (278), 246 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 278 transitions. [2024-10-24 19:41:27,617 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 278 transitions. Word has length 55 [2024-10-24 19:41:27,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:27,617 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 278 transitions. [2024-10-24 19:41:27,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 278 transitions. [2024-10-24 19:41:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 19:41:27,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:27,620 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1] [2024-10-24 19:41:27,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 19:41:27,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:27,822 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:27,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:27,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1132236789, now seen corresponding path program 3 times [2024-10-24 19:41:27,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:27,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514607835] [2024-10-24 19:41:27,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:28,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:28,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514607835] [2024-10-24 19:41:28,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514607835] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:28,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677240789] [2024-10-24 19:41:28,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:41:28,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:28,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:28,171 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) [2024-10-24 19:41:28,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:41:28,223 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-24 19:41:28,224 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:28,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 19:41:28,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:28,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:28,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677240789] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:28,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:28,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2024-10-24 19:41:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114289070] [2024-10-24 19:41:28,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:28,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-24 19:41:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-24 19:41:28,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-24 19:41:28,834 INFO L87 Difference]: Start difference. First operand 247 states and 278 transitions. Second operand has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:29,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:29,146 INFO L93 Difference]: Finished difference Result 2228 states and 2599 transitions. [2024-10-24 19:41:29,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-24 19:41:29,146 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-10-24 19:41:29,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:29,156 INFO L225 Difference]: With dead ends: 2228 [2024-10-24 19:41:29,157 INFO L226 Difference]: Without dead ends: 2227 [2024-10-24 19:41:29,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-24 19:41:29,159 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 159 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:29,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 178 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:41:29,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2024-10-24 19:41:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 949. [2024-10-24 19:41:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 947 states have (on average 1.1647307286166844) internal successors, (1103), 948 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1103 transitions. [2024-10-24 19:41:29,213 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1103 transitions. Word has length 89 [2024-10-24 19:41:29,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:29,214 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1103 transitions. [2024-10-24 19:41:29,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1103 transitions. [2024-10-24 19:41:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-24 19:41:29,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:29,220 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 10, 10, 10, 5, 5, 5, 1, 1] [2024-10-24 19:41:29,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 19:41:29,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:29,421 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:29,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:29,422 INFO L85 PathProgramCache]: Analyzing trace with hash -947455925, now seen corresponding path program 3 times [2024-10-24 19:41:29,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:29,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227268978] [2024-10-24 19:41:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:29,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 188 proven. 290 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-24 19:41:29,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:29,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227268978] [2024-10-24 19:41:29,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227268978] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:29,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121832268] [2024-10-24 19:41:29,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:41:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:29,639 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) [2024-10-24 19:41:29,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 19:41:29,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-24 19:41:29,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:29,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:41:29,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-24 19:41:29,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-24 19:41:30,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121832268] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:30,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 27 [2024-10-24 19:41:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165172836] [2024-10-24 19:41:30,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:30,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-24 19:41:30,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:30,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-24 19:41:30,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-24 19:41:30,061 INFO L87 Difference]: Start difference. First operand 949 states and 1103 transitions. Second operand has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:30,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:30,212 INFO L93 Difference]: Finished difference Result 2483 states and 3009 transitions. [2024-10-24 19:41:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-24 19:41:30,212 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-10-24 19:41:30,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:30,220 INFO L225 Difference]: With dead ends: 2483 [2024-10-24 19:41:30,220 INFO L226 Difference]: Without dead ends: 1591 [2024-10-24 19:41:30,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-24 19:41:30,223 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:30,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 86 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:41:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2024-10-24 19:41:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2024-10-24 19:41:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1589 states have (on average 1.1604782882315923) internal successors, (1844), 1590 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 1844 transitions. [2024-10-24 19:41:30,285 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 1844 transitions. Word has length 91 [2024-10-24 19:41:30,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:30,285 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 1844 transitions. [2024-10-24 19:41:30,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1844 transitions. [2024-10-24 19:41:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-24 19:41:30,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:30,292 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 25, 14, 14, 14, 12, 12, 12, 1, 1] [2024-10-24 19:41:30,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 19:41:30,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:30,493 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:30,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:30,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1376963598, now seen corresponding path program 4 times [2024-10-24 19:41:30,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:30,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597016277] [2024-10-24 19:41:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-24 19:41:30,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:30,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597016277] [2024-10-24 19:41:30,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597016277] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:30,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870893003] [2024-10-24 19:41:30,819 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 19:41:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:30,821 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) [2024-10-24 19:41:30,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 19:41:30,890 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 19:41:30,890 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:30,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 19:41:30,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-24 19:41:30,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-24 19:41:31,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870893003] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:31,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:31,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2024-10-24 19:41:31,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057259247] [2024-10-24 19:41:31,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:31,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-24 19:41:31,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:31,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-24 19:41:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2024-10-24 19:41:31,325 INFO L87 Difference]: Start difference. First operand 1591 states and 1844 transitions. Second operand has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 27 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:31,447 INFO L93 Difference]: Finished difference Result 2479 states and 2879 transitions. [2024-10-24 19:41:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-24 19:41:31,448 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 27 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2024-10-24 19:41:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:31,452 INFO L225 Difference]: With dead ends: 2479 [2024-10-24 19:41:31,452 INFO L226 Difference]: Without dead ends: 957 [2024-10-24 19:41:31,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2024-10-24 19:41:31,455 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:31,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:41:31,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-10-24 19:41:31,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2024-10-24 19:41:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 955 states have (on average 1.1413612565445026) internal successors, (1090), 956 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1090 transitions. [2024-10-24 19:41:31,503 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1090 transitions. Word has length 157 [2024-10-24 19:41:31,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:31,503 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 1090 transitions. [2024-10-24 19:41:31,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 27 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1090 transitions. [2024-10-24 19:41:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 19:41:31,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:31,505 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1] [2024-10-24 19:41:31,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 19:41:31,705 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,SelfDestructingSolverStorable11 [2024-10-24 19:41:31,706 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:31,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:31,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1858413957, now seen corresponding path program 4 times [2024-10-24 19:41:31,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:31,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172774338] [2024-10-24 19:41:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:31,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:32,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:32,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172774338] [2024-10-24 19:41:32,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172774338] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:32,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611939549] [2024-10-24 19:41:32,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 19:41:32,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:32,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:32,672 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) [2024-10-24 19:41:32,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 19:41:32,755 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 19:41:32,756 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:32,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 19:41:32,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:33,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:34,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611939549] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:34,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:34,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 62 [2024-10-24 19:41:34,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211101693] [2024-10-24 19:41:34,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:34,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-10-24 19:41:34,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:34,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-10-24 19:41:34,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-10-24 19:41:34,545 INFO L87 Difference]: Start difference. First operand 957 states and 1090 transitions. Second operand has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 63 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:35,453 INFO L93 Difference]: Finished difference Result 16030 states and 18694 transitions. [2024-10-24 19:41:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-24 19:41:35,454 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 63 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2024-10-24 19:41:35,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:35,509 INFO L225 Difference]: With dead ends: 16030 [2024-10-24 19:41:35,509 INFO L226 Difference]: Without dead ends: 16029 [2024-10-24 19:41:35,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-10-24 19:41:35,517 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 323 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:35,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 405 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 19:41:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16029 states. [2024-10-24 19:41:35,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16029 to 4491. [2024-10-24 19:41:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4491 states, 4489 states have (on average 1.163733570951214) internal successors, (5224), 4490 states have internal predecessors, (5224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4491 states and 5224 transitions. [2024-10-24 19:41:35,948 INFO L78 Accepts]: Start accepts. Automaton has 4491 states and 5224 transitions. Word has length 185 [2024-10-24 19:41:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:35,948 INFO L471 AbstractCegarLoop]: Abstraction has 4491 states and 5224 transitions. [2024-10-24 19:41:35,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 63 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 4491 states and 5224 transitions. [2024-10-24 19:41:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-10-24 19:41:35,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:35,953 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 39, 26, 26, 26, 14, 14, 14, 1, 1] [2024-10-24 19:41:35,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 19:41:36,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 19:41:36,157 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:36,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:36,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1788889520, now seen corresponding path program 5 times [2024-10-24 19:41:36,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:36,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098366040] [2024-10-24 19:41:36,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:36,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-24 19:41:36,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:36,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098366040] [2024-10-24 19:41:36,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098366040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:36,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567450137] [2024-10-24 19:41:36,994 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 19:41:36,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:36,996 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) [2024-10-24 19:41:36,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 19:41:37,101 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-10-24 19:41:37,102 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:37,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-24 19:41:37,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-24 19:41:37,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-24 19:41:38,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567450137] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:38,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:38,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 52 [2024-10-24 19:41:38,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754107328] [2024-10-24 19:41:38,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:38,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-24 19:41:38,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:38,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-24 19:41:38,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-10-24 19:41:38,269 INFO L87 Difference]: Start difference. First operand 4491 states and 5224 transitions. Second operand has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 52 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:38,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:38,545 INFO L93 Difference]: Finished difference Result 6853 states and 7984 transitions. [2024-10-24 19:41:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-24 19:41:38,546 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 52 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2024-10-24 19:41:38,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:38,555 INFO L225 Difference]: With dead ends: 6853 [2024-10-24 19:41:38,555 INFO L226 Difference]: Without dead ends: 2515 [2024-10-24 19:41:38,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 454 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-10-24 19:41:38,562 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:38,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 171 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:41:38,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2024-10-24 19:41:38,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2024-10-24 19:41:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2513 states have (on average 1.1492240350179068) internal successors, (2888), 2514 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 2888 transitions. [2024-10-24 19:41:38,649 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 2888 transitions. Word has length 241 [2024-10-24 19:41:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:38,650 INFO L471 AbstractCegarLoop]: Abstraction has 2515 states and 2888 transitions. [2024-10-24 19:41:38,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 52 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2888 transitions. [2024-10-24 19:41:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-24 19:41:38,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:38,656 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 1, 1] [2024-10-24 19:41:38,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 19:41:38,857 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,SelfDestructingSolverStorable13 [2024-10-24 19:41:38,857 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:38,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:38,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1330253989, now seen corresponding path program 5 times [2024-10-24 19:41:38,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:38,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511412477] [2024-10-24 19:41:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:38,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:41,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:41,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511412477] [2024-10-24 19:41:41,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511412477] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:41,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594784039] [2024-10-24 19:41:41,998 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 19:41:41,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:42,000 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) [2024-10-24 19:41:42,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 19:41:42,184 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-10-24 19:41:42,185 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:42,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-10-24 19:41:42,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 11242 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-10-24 19:41:44,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:41:44,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594784039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:41:44,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:41:44,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [63] total 116 [2024-10-24 19:41:44,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118639177] [2024-10-24 19:41:44,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:41:44,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-24 19:41:44,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:44,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-24 19:41:44,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2024-10-24 19:41:44,641 INFO L87 Difference]: Start difference. First operand 2515 states and 2888 transitions. Second operand has 54 states, 54 states have (on average 5.851851851851852) internal successors, (316), 53 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:45,115 INFO L93 Difference]: Finished difference Result 2642 states and 3042 transitions. [2024-10-24 19:41:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-24 19:41:45,116 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 5.851851851851852) internal successors, (316), 53 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 377 [2024-10-24 19:41:45,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:45,119 INFO L225 Difference]: With dead ends: 2642 [2024-10-24 19:41:45,119 INFO L226 Difference]: Without dead ends: 430 [2024-10-24 19:41:45,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3224 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2024-10-24 19:41:45,127 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 16 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:45,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 771 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 19:41:45,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-24 19:41:45,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 392. [2024-10-24 19:41:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.0025575447570332) internal successors, (392), 391 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 392 transitions. [2024-10-24 19:41:45,139 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 392 transitions. Word has length 377 [2024-10-24 19:41:45,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:45,139 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 392 transitions. [2024-10-24 19:41:45,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.851851851851852) internal successors, (316), 53 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 392 transitions. [2024-10-24 19:41:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-10-24 19:41:45,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:45,144 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 64, 51, 51, 51, 14, 14, 14, 1, 1] [2024-10-24 19:41:45,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 19:41:45,345 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,SelfDestructingSolverStorable14 [2024-10-24 19:41:45,346 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:45,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:45,346 INFO L85 PathProgramCache]: Analyzing trace with hash 315213407, now seen corresponding path program 6 times [2024-10-24 19:41:45,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:45,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044791705] [2024-10-24 19:41:45,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 0 proven. 11052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:48,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:48,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044791705] [2024-10-24 19:41:48,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044791705] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:48,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664367653] [2024-10-24 19:41:48,270 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-24 19:41:48,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:48,271 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) [2024-10-24 19:41:48,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 19:41:48,433 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2024-10-24 19:41:48,433 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:41:48,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 19:41:48,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2024-10-24 19:41:48,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:41:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2024-10-24 19:41:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664367653] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:41:49,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:41:49,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 16, 16] total 81 [2024-10-24 19:41:49,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017293063] [2024-10-24 19:41:49,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:41:49,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-10-24 19:41:49,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:41:49,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-10-24 19:41:49,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2024-10-24 19:41:49,300 INFO L87 Difference]: Start difference. First operand 392 states and 392 transitions. Second operand has 82 states, 81 states have (on average 6.0246913580246915) internal successors, (488), 82 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:49,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:41:49,704 INFO L93 Difference]: Finished difference Result 489 states and 504 transitions. [2024-10-24 19:41:49,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-10-24 19:41:49,704 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 6.0246913580246915) internal successors, (488), 82 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 391 [2024-10-24 19:41:49,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:41:49,707 INFO L225 Difference]: With dead ends: 489 [2024-10-24 19:41:49,707 INFO L226 Difference]: Without dead ends: 488 [2024-10-24 19:41:49,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2024-10-24 19:41:49,710 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:41:49,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 254 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:41:49,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-24 19:41:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2024-10-24 19:41:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 487 states have (on average 1.002053388090349) internal successors, (488), 487 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 488 transitions. [2024-10-24 19:41:49,724 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 488 transitions. Word has length 391 [2024-10-24 19:41:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:41:49,724 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 488 transitions. [2024-10-24 19:41:49,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 81 states have (on average 6.0246913580246915) internal successors, (488), 82 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:41:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 488 transitions. [2024-10-24 19:41:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-10-24 19:41:49,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:41:49,732 INFO L215 NwaCegarLoop]: trace histogram [81, 81, 80, 51, 51, 51, 30, 30, 30, 1, 1] [2024-10-24 19:41:49,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 19:41:49,932 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,SelfDestructingSolverStorable15 [2024-10-24 19:41:49,933 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:41:49,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:41:49,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1169916625, now seen corresponding path program 7 times [2024-10-24 19:41:49,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:41:49,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417199504] [2024-10-24 19:41:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:41:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:41:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:53,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:41:53,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417199504] [2024-10-24 19:41:53,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417199504] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:41:53,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833607697] [2024-10-24 19:41:53,932 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-24 19:41:53,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:41:53,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:41:53,934 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) [2024-10-24 19:41:53,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 19:41:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:41:54,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-24 19:41:54,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:41:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:41:54,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:42:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:42:01,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833607697] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:42:01,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:42:01,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 162 [2024-10-24 19:42:01,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813139496] [2024-10-24 19:42:01,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:42:01,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-10-24 19:42:01,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:42:01,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-10-24 19:42:01,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2024-10-24 19:42:01,328 INFO L87 Difference]: Start difference. First operand 488 states and 488 transitions. Second operand has 164 states, 163 states have (on average 5.975460122699387) internal successors, (974), 163 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:42:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:42:03,443 INFO L93 Difference]: Finished difference Result 981 states and 1062 transitions. [2024-10-24 19:42:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-10-24 19:42:03,443 INFO L78 Accepts]: Start accepts. Automaton has has 164 states, 163 states have (on average 5.975460122699387) internal successors, (974), 163 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 487 [2024-10-24 19:42:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:42:03,447 INFO L225 Difference]: With dead ends: 981 [2024-10-24 19:42:03,447 INFO L226 Difference]: Without dead ends: 980 [2024-10-24 19:42:03,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2024-10-24 19:42:03,450 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 519 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 19:42:03,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 502 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 19:42:03,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-10-24 19:42:03,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2024-10-24 19:42:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 979 states have (on average 1.0010214504596526) internal successors, (980), 979 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:42:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 980 transitions. [2024-10-24 19:42:03,478 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 980 transitions. Word has length 487 [2024-10-24 19:42:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:42:03,479 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 980 transitions. [2024-10-24 19:42:03,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 163 states have (on average 5.975460122699387) internal successors, (974), 163 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:42:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 980 transitions. [2024-10-24 19:42:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2024-10-24 19:42:03,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:42:03,500 INFO L215 NwaCegarLoop]: trace histogram [163, 163, 162, 112, 112, 112, 51, 51, 51, 1, 1] [2024-10-24 19:42:03,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 19:42:03,701 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,SelfDestructingSolverStorable16 [2024-10-24 19:42:03,701 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 19:42:03,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:42:03,702 INFO L85 PathProgramCache]: Analyzing trace with hash -378071399, now seen corresponding path program 8 times [2024-10-24 19:42:03,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:42:03,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574354148] [2024-10-24 19:42:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:42:03,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:42:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:42:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 0 proven. 67794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:42:20,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:42:20,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574354148] [2024-10-24 19:42:20,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574354148] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:42:20,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071728739] [2024-10-24 19:42:20,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:42:20,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:42:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:42:20,465 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) [2024-10-24 19:42:20,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 19:42:20,689 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:42:20,690 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:42:20,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-10-24 19:42:20,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:42:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2024-10-24 19:42:24,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:42:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2024-10-24 19:42:32,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071728739] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:42:32,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:42:32,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 54, 54] total 217 [2024-10-24 19:42:32,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950858761] [2024-10-24 19:42:32,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:42:32,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2024-10-24 19:42:32,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:42:32,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2024-10-24 19:42:32,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15014, Invalid=32292, Unknown=0, NotChecked=0, Total=47306 [2024-10-24 19:42:32,953 INFO L87 Difference]: Start difference. First operand 980 states and 980 transitions. Second operand has 218 states, 218 states have (on average 6.674311926605505) internal successors, (1455), 217 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)