./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/nla-digbench-scaling/cohendiv-ll_unwindbound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:04:53,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:04:53,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:04:53,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:04:53,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:04:53,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:04:53,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:04:53,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:04:53,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:04:53,734 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:04:53,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:04:53,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:04:53,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:04:53,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:04:53,738 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:04:53,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:04:53,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:04:53,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:04:53,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:04:53,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:04:53,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:04:53,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:04:53,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:04:53,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:04:53,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:04:53,744 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:04:53,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:04:53,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:04:53,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:04:53,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:04:53,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:04:53,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:04:53,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:04:53,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:04:53,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:04:53,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:04:53,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:04:53,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:04:53,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:04:53,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:04:53,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:04:53,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:04:53,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:04:53,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:04:53,750 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2024-10-24 20:04:54,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:04:54,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:04:54,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:04:54,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:04:54,043 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:04:54,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2024-10-24 20:04:55,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:04:55,625 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:04:55,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2024-10-24 20:04:55,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab5ecca1/0743985ddeff41daa9d2a7f007f2a1ab/FLAG9fd00c657 [2024-10-24 20:04:55,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab5ecca1/0743985ddeff41daa9d2a7f007f2a1ab [2024-10-24 20:04:55,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:04:55,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:04:55,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:04:55,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:04:55,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:04:55,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:55,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bcb3c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55, skipping insertion in model container [2024-10-24 20:04:55,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:55,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:04:55,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:04:55,926 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:04:55,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:04:55,970 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:04:55,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55 WrapperNode [2024-10-24 20:04:55,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:04:55,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:04:55,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:04:55,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:04:55,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:55,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,017 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-10-24 20:04:56,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:04:56,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:04:56,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:04:56,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:04:56,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,061 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:04:56,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:04:56,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:04:56,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:04:56,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:04:56,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (1/1) ... [2024-10-24 20:04:56,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:04:56,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:04:56,129 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 20:04:56,135 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 20:04:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:04:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:04:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:04:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:04:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:04:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:04:56,247 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:04:56,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:04:56,582 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-10-24 20:04:56,583 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:04:56,621 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:04:56,621 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 20:04:56,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:04:56 BoogieIcfgContainer [2024-10-24 20:04:56,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:04:56,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:04:56,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:04:56,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:04:56,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:04:55" (1/3) ... [2024-10-24 20:04:56,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117b058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:04:56, skipping insertion in model container [2024-10-24 20:04:56,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:04:55" (2/3) ... [2024-10-24 20:04:56,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117b058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:04:56, skipping insertion in model container [2024-10-24 20:04:56,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:04:56" (3/3) ... [2024-10-24 20:04:56,650 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound20.c [2024-10-24 20:04:56,695 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:04:56,695 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-10-24 20:04:56,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:04:56,785 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;@d794c27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:04:56,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-10-24 20:04:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:04:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:04:56,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:56,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:04:56,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:56,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 170085917, now seen corresponding path program 1 times [2024-10-24 20:04:56,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:56,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450461007] [2024-10-24 20:04:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:56,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:56,933 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 20:04:56,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:56,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450461007] [2024-10-24 20:04:56,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450461007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:56,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:56,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:04:56,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358385788] [2024-10-24 20:04:56,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:56,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:04:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:56,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:04:56,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:04:56,965 INFO L87 Difference]: Start difference. First operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 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 20:04:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:56,997 INFO L93 Difference]: Finished difference Result 178 states and 210 transitions. [2024-10-24 20:04:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:04:57,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 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 20:04:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:57,006 INFO L225 Difference]: With dead ends: 178 [2024-10-24 20:04:57,006 INFO L226 Difference]: Without dead ends: 87 [2024-10-24 20:04:57,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:04:57,012 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:57,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:04:57,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-24 20:04:57,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-24 20:04:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 79 states have internal predecessors, (83), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:04:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-10-24 20:04:57,056 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 5 [2024-10-24 20:04:57,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:57,057 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-10-24 20:04:57,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 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 20:04:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-10-24 20:04:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:04:57,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:57,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:04:57,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:04:57,059 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:57,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:57,059 INFO L85 PathProgramCache]: Analyzing trace with hash 170145499, now seen corresponding path program 1 times [2024-10-24 20:04:57,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:57,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388380001] [2024-10-24 20:04:57,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:57,183 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 20:04:57,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:57,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388380001] [2024-10-24 20:04:57,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388380001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:57,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:57,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:04:57,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799697886] [2024-10-24 20:04:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:57,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:04:57,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:57,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:04:57,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:04:57,190 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 20:04:57,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:57,266 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-10-24 20:04:57,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:04:57,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 20:04:57,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:57,268 INFO L225 Difference]: With dead ends: 101 [2024-10-24 20:04:57,269 INFO L226 Difference]: Without dead ends: 91 [2024-10-24 20:04:57,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:04:57,270 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:57,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:04:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-24 20:04:57,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-24 20:04:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 50 states have (on average 1.74) internal successors, (87), 83 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:04:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2024-10-24 20:04:57,289 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 5 [2024-10-24 20:04:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:57,290 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2024-10-24 20:04:57,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 20:04:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2024-10-24 20:04:57,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 20:04:57,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:57,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:57,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:04:57,291 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:57,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:57,293 INFO L85 PathProgramCache]: Analyzing trace with hash 743199255, now seen corresponding path program 1 times [2024-10-24 20:04:57,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:57,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270300558] [2024-10-24 20:04:57,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:04:57,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135632063] [2024-10-24 20:04:57,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:57,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:57,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:04:57,311 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 20:04:57,313 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 20:04:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:57,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:04:57,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:04:57,397 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 20:04:57,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:04:57,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:57,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270300558] [2024-10-24 20:04:57,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:04:57,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135632063] [2024-10-24 20:04:57,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135632063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:57,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:57,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:04:57,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188460445] [2024-10-24 20:04:57,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:57,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:04:57,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:57,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:04:57,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:04:57,402 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 20:04:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:57,558 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2024-10-24 20:04:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:04:57,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-24 20:04:57,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:57,560 INFO L225 Difference]: With dead ends: 114 [2024-10-24 20:04:57,560 INFO L226 Difference]: Without dead ends: 112 [2024-10-24 20:04:57,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:04:57,561 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:57,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 164 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:04:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-24 20:04:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2024-10-24 20:04:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 85 states have internal predecessors, (89), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:04:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2024-10-24 20:04:57,575 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 8 [2024-10-24 20:04:57,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:57,576 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2024-10-24 20:04:57,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 20:04:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2024-10-24 20:04:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 20:04:57,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:57,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:57,595 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 20:04:57,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:57,778 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:57,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash 148914924, now seen corresponding path program 1 times [2024-10-24 20:04:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:57,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564495865] [2024-10-24 20:04:57,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:04:57,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733988066] [2024-10-24 20:04:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:57,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:57,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:04:57,810 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 20:04:57,811 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 20:04:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:57,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:04:57,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:04:57,890 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 20:04:57,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:04:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564495865] [2024-10-24 20:04:57,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:04:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733988066] [2024-10-24 20:04:57,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733988066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:57,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:57,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:04:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519381489] [2024-10-24 20:04:57,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:57,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:04:57,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:57,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:04:57,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:04:57,894 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:04:58,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:58,019 INFO L93 Difference]: Finished difference Result 155 states and 179 transitions. [2024-10-24 20:04:58,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:04:58,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-10-24 20:04:58,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:58,021 INFO L225 Difference]: With dead ends: 155 [2024-10-24 20:04:58,021 INFO L226 Difference]: Without dead ends: 149 [2024-10-24 20:04:58,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 20:04:58,023 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 51 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 139 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 20:04:58,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 139 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:04:58,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-24 20:04:58,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2024-10-24 20:04:58,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.725) internal successors, (138), 113 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:04:58,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2024-10-24 20:04:58,038 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 15 [2024-10-24 20:04:58,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:58,039 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2024-10-24 20:04:58,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:04:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2024-10-24 20:04:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 20:04:58,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:58,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:58,052 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 20:04:58,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-24 20:04:58,241 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:58,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:58,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1373323182, now seen corresponding path program 1 times [2024-10-24 20:04:58,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:58,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970694356] [2024-10-24 20:04:58,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:58,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:04:58,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596466360] [2024-10-24 20:04:58,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:58,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:58,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:04:58,263 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 20:04:58,264 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 20:04:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:58,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:04:58,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:04:58,405 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 20:04:58,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:04:58,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:58,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970694356] [2024-10-24 20:04:58,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:04:58,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596466360] [2024-10-24 20:04:58,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596466360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:58,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:58,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:04:58,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147200443] [2024-10-24 20:04:58,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:58,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:04:58,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:58,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:04:58,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:04:58,411 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:04:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:58,566 INFO L93 Difference]: Finished difference Result 148 states and 169 transitions. [2024-10-24 20:04:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:04:58,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-24 20:04:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:58,568 INFO L225 Difference]: With dead ends: 148 [2024-10-24 20:04:58,568 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 20:04:58,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:04:58,569 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 182 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:58,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 138 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:04:58,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 20:04:58,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2024-10-24 20:04:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.691358024691358) internal successors, (137), 114 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:04:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 161 transitions. [2024-10-24 20:04:58,581 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 161 transitions. Word has length 17 [2024-10-24 20:04:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:58,581 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 161 transitions. [2024-10-24 20:04:58,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:04:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2024-10-24 20:04:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 20:04:58,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:58,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:58,595 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 20:04:58,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:58,783 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:58,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash -376654252, now seen corresponding path program 1 times [2024-10-24 20:04:58,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:58,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98672514] [2024-10-24 20:04:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:58,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:04:58,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209654373] [2024-10-24 20:04:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:58,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:58,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:04:58,822 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 20:04:58,825 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 20:04:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:58,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:04:58,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:04:58,946 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 20:04:58,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:04:58,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98672514] [2024-10-24 20:04:58,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:04:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209654373] [2024-10-24 20:04:58,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209654373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:58,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:58,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:04:58,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881864519] [2024-10-24 20:04:58,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:58,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:04:58,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:58,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:04:58,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:04:58,949 INFO L87 Difference]: Start difference. First operand 128 states and 161 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:04:59,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:59,104 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2024-10-24 20:04:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:04:59,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-24 20:04:59,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:59,106 INFO L225 Difference]: With dead ends: 148 [2024-10-24 20:04:59,106 INFO L226 Difference]: Without dead ends: 141 [2024-10-24 20:04:59,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:04:59,107 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 178 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:59,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 141 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:04:59,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-24 20:04:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 125. [2024-10-24 20:04:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 111 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:04:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 155 transitions. [2024-10-24 20:04:59,127 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 155 transitions. Word has length 18 [2024-10-24 20:04:59,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:59,127 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 155 transitions. [2024-10-24 20:04:59,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:04:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2024-10-24 20:04:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-24 20:04:59,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:59,128 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:59,148 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 20:04:59,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:59,329 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:59,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:59,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1488714648, now seen corresponding path program 1 times [2024-10-24 20:04:59,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:59,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939758704] [2024-10-24 20:04:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:59,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:04:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:04:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:04:59,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:59,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939758704] [2024-10-24 20:04:59,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939758704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:59,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:59,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:04:59,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128108308] [2024-10-24 20:04:59,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:59,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:04:59,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:59,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:04:59,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:04:59,575 INFO L87 Difference]: Start difference. First operand 125 states and 155 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:04:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:59,683 INFO L93 Difference]: Finished difference Result 156 states and 171 transitions. [2024-10-24 20:04:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:04:59,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-24 20:04:59,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:59,685 INFO L225 Difference]: With dead ends: 156 [2024-10-24 20:04:59,685 INFO L226 Difference]: Without dead ends: 155 [2024-10-24 20:04:59,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:04:59,688 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 64 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:59,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 460 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:04:59,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-24 20:04:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 129. [2024-10-24 20:04:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 81 states have (on average 1.6419753086419753) internal successors, (133), 114 states have internal predecessors, (133), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:04:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 157 transitions. [2024-10-24 20:04:59,708 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 157 transitions. Word has length 26 [2024-10-24 20:04:59,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:59,708 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 157 transitions. [2024-10-24 20:04:59,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:04:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 157 transitions. [2024-10-24 20:04:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:04:59,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:59,709 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:59,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 20:04:59,709 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:59,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:59,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1094486249, now seen corresponding path program 1 times [2024-10-24 20:04:59,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:59,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479509894] [2024-10-24 20:04:59,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:04:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:59,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:04:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:04:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:04:59,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:04:59,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479509894] [2024-10-24 20:04:59,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479509894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:04:59,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:04:59,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:04:59,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721412630] [2024-10-24 20:04:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:04:59,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:04:59,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:04:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:04:59,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:04:59,849 INFO L87 Difference]: Start difference. First operand 129 states and 157 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:04:59,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:04:59,920 INFO L93 Difference]: Finished difference Result 221 states and 258 transitions. [2024-10-24 20:04:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:04:59,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-24 20:04:59,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:04:59,923 INFO L225 Difference]: With dead ends: 221 [2024-10-24 20:04:59,924 INFO L226 Difference]: Without dead ends: 137 [2024-10-24 20:04:59,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:04:59,926 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 11 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:04:59,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 420 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:04:59,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-24 20:04:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-10-24 20:04:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.5909090909090908) internal successors, (140), 121 states have internal predecessors, (140), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:04:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 164 transitions. [2024-10-24 20:04:59,942 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 164 transitions. Word has length 27 [2024-10-24 20:04:59,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:04:59,942 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 164 transitions. [2024-10-24 20:04:59,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:04:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2024-10-24 20:04:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-24 20:04:59,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:04:59,945 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:04:59,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 20:04:59,945 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:04:59,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:04:59,946 INFO L85 PathProgramCache]: Analyzing trace with hash -465699477, now seen corresponding path program 1 times [2024-10-24 20:04:59,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:04:59,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736589744] [2024-10-24 20:04:59,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:59,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:04:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:04:59,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1108609108] [2024-10-24 20:04:59,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:04:59,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:04:59,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:04:59,970 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 20:04:59,971 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 20:05:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:00,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:05:00,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:05:00,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:00,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:00,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736589744] [2024-10-24 20:05:00,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:00,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108609108] [2024-10-24 20:05:00,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108609108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:00,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:00,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:00,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251886731] [2024-10-24 20:05:00,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:00,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:00,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:00,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:00,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:00,099 INFO L87 Difference]: Start difference. First operand 137 states and 164 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:05:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:00,339 INFO L93 Difference]: Finished difference Result 213 states and 283 transitions. [2024-10-24 20:05:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:05:00,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-10-24 20:05:00,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:00,342 INFO L225 Difference]: With dead ends: 213 [2024-10-24 20:05:00,342 INFO L226 Difference]: Without dead ends: 208 [2024-10-24 20:05:00,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:00,343 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 123 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:00,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 97 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:00,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-24 20:05:00,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 188. [2024-10-24 20:05:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.6106870229007633) internal successors, (211), 164 states have internal predecessors, (211), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:05:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 251 transitions. [2024-10-24 20:05:00,362 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 251 transitions. Word has length 29 [2024-10-24 20:05:00,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:00,362 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 251 transitions. [2024-10-24 20:05:00,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:05:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 251 transitions. [2024-10-24 20:05:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 20:05:00,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:00,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:00,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:05:00,568 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 20:05:00,569 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:00,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:00,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1551781809, now seen corresponding path program 1 times [2024-10-24 20:05:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:00,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547066358] [2024-10-24 20:05:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:00,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730439132] [2024-10-24 20:05:00,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:00,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:00,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:00,588 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 20:05:00,592 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 20:05:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:00,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:05:00,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:05:00,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:00,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:00,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547066358] [2024-10-24 20:05:00,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:00,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730439132] [2024-10-24 20:05:00,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730439132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:00,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:00,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:00,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469781061] [2024-10-24 20:05:00,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:00,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:00,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:00,711 INFO L87 Difference]: Start difference. First operand 188 states and 251 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:05:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:00,850 INFO L93 Difference]: Finished difference Result 211 states and 274 transitions. [2024-10-24 20:05:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:05:00,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-10-24 20:05:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:00,852 INFO L225 Difference]: With dead ends: 211 [2024-10-24 20:05:00,852 INFO L226 Difference]: Without dead ends: 208 [2024-10-24 20:05:00,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:00,853 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 91 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:00,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 108 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:05:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-24 20:05:00,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2024-10-24 20:05:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 132 states have (on average 1.5757575757575757) internal successors, (208), 165 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:05:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 248 transitions. [2024-10-24 20:05:00,874 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 248 transitions. Word has length 30 [2024-10-24 20:05:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:00,875 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 248 transitions. [2024-10-24 20:05:00,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:05:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 248 transitions. [2024-10-24 20:05:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 20:05:00,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:00,878 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:00,896 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 20:05:01,079 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 20:05:01,079 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:01,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:01,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1006062636, now seen corresponding path program 1 times [2024-10-24 20:05:01,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:01,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888220814] [2024-10-24 20:05:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:01,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:01,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888220814] [2024-10-24 20:05:01,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888220814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:01,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:01,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:01,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550401326] [2024-10-24 20:05:01,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:01,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:01,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:01,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:01,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:01,196 INFO L87 Difference]: Start difference. First operand 189 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:01,660 INFO L93 Difference]: Finished difference Result 226 states and 277 transitions. [2024-10-24 20:05:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:05:01,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2024-10-24 20:05:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:01,663 INFO L225 Difference]: With dead ends: 226 [2024-10-24 20:05:01,664 INFO L226 Difference]: Without dead ends: 224 [2024-10-24 20:05:01,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:05:01,665 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 139 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:01,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 90 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:01,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-24 20:05:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 191. [2024-10-24 20:05:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 134 states have (on average 1.5522388059701493) internal successors, (208), 167 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:05:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 248 transitions. [2024-10-24 20:05:01,680 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 248 transitions. Word has length 50 [2024-10-24 20:05:01,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:01,682 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 248 transitions. [2024-10-24 20:05:01,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 248 transitions. [2024-10-24 20:05:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 20:05:01,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:01,684 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:01,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 20:05:01,684 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:01,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:01,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1123170539, now seen corresponding path program 1 times [2024-10-24 20:05:01,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:01,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220058207] [2024-10-24 20:05:01,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:01,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:01,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:01,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220058207] [2024-10-24 20:05:01,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220058207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:01,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:01,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:01,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730566085] [2024-10-24 20:05:01,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:01,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:01,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:01,786 INFO L87 Difference]: Start difference. First operand 191 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:01,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:01,938 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-10-24 20:05:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:05:01,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-10-24 20:05:01,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:01,940 INFO L225 Difference]: With dead ends: 226 [2024-10-24 20:05:01,940 INFO L226 Difference]: Without dead ends: 224 [2024-10-24 20:05:01,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:05:01,941 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 136 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:01,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 92 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:05:01,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-24 20:05:01,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 193. [2024-10-24 20:05:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 136 states have (on average 1.5294117647058822) internal successors, (208), 169 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:05:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2024-10-24 20:05:01,954 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 51 [2024-10-24 20:05:01,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:01,955 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2024-10-24 20:05:01,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2024-10-24 20:05:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 20:05:01,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:01,956 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:01,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 20:05:01,956 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:01,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:01,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1330093161, now seen corresponding path program 1 times [2024-10-24 20:05:01,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:01,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697903811] [2024-10-24 20:05:01,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:01,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:02,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:02,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697903811] [2024-10-24 20:05:02,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697903811] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:02,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:02,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:02,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122878609] [2024-10-24 20:05:02,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:02,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:02,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:02,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:02,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:02,077 INFO L87 Difference]: Start difference. First operand 193 states and 248 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 20:05:02,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:02,152 INFO L93 Difference]: Finished difference Result 193 states and 248 transitions. [2024-10-24 20:05:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:05:02,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-10-24 20:05:02,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:02,154 INFO L225 Difference]: With dead ends: 193 [2024-10-24 20:05:02,154 INFO L226 Difference]: Without dead ends: 192 [2024-10-24 20:05:02,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:02,155 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 33 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:02,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 70 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:05:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-24 20:05:02,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-10-24 20:05:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.5) internal successors, (204), 168 states have internal predecessors, (204), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:05:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 244 transitions. [2024-10-24 20:05:02,167 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 244 transitions. Word has length 53 [2024-10-24 20:05:02,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:02,169 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 244 transitions. [2024-10-24 20:05:02,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 20:05:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2024-10-24 20:05:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 20:05:02,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:02,170 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:02,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 20:05:02,172 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:02,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:02,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1330093203, now seen corresponding path program 1 times [2024-10-24 20:05:02,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:02,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525369709] [2024-10-24 20:05:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:02,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:02,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:02,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525369709] [2024-10-24 20:05:02,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525369709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:02,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:02,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:05:02,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511146186] [2024-10-24 20:05:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:02,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:05:02,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:02,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:05:02,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:05:02,251 INFO L87 Difference]: Start difference. First operand 192 states and 244 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:02,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:02,305 INFO L93 Difference]: Finished difference Result 198 states and 244 transitions. [2024-10-24 20:05:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:05:02,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-10-24 20:05:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:02,308 INFO L225 Difference]: With dead ends: 198 [2024-10-24 20:05:02,308 INFO L226 Difference]: Without dead ends: 197 [2024-10-24 20:05:02,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:05:02,309 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 15 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:02,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:05:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-24 20:05:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 192. [2024-10-24 20:05:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.4926470588235294) internal successors, (203), 168 states have internal predecessors, (203), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:05:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 243 transitions. [2024-10-24 20:05:02,321 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 243 transitions. Word has length 53 [2024-10-24 20:05:02,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:02,322 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 243 transitions. [2024-10-24 20:05:02,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:02,323 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2024-10-24 20:05:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:05:02,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:02,324 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:02,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 20:05:02,324 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:02,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1716785083, now seen corresponding path program 1 times [2024-10-24 20:05:02,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:02,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423555699] [2024-10-24 20:05:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:02,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:02,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:02,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423555699] [2024-10-24 20:05:02,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423555699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:02,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:02,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:05:02,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768176784] [2024-10-24 20:05:02,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:02,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:05:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:02,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:05:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:05:02,452 INFO L87 Difference]: Start difference. First operand 192 states and 243 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:02,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:02,953 INFO L93 Difference]: Finished difference Result 266 states and 335 transitions. [2024-10-24 20:05:02,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:05:02,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-10-24 20:05:02,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:02,955 INFO L225 Difference]: With dead ends: 266 [2024-10-24 20:05:02,955 INFO L226 Difference]: Without dead ends: 265 [2024-10-24 20:05:02,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:05:02,956 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 321 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:02,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 286 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:02,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-24 20:05:02,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 227. [2024-10-24 20:05:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 166 states have (on average 1.5) internal successors, (249), 198 states have internal predecessors, (249), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 20:05:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 299 transitions. [2024-10-24 20:05:02,971 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 299 transitions. Word has length 54 [2024-10-24 20:05:02,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:02,972 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 299 transitions. [2024-10-24 20:05:02,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 299 transitions. [2024-10-24 20:05:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:05:02,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:02,973 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:02,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 20:05:02,973 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:02,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:02,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1716783801, now seen corresponding path program 1 times [2024-10-24 20:05:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:02,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013350271] [2024-10-24 20:05:02,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:02,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:03,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:03,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013350271] [2024-10-24 20:05:03,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013350271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:03,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:03,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:05:03,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981213997] [2024-10-24 20:05:03,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:03,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:05:03,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:03,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:05:03,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:05:03,043 INFO L87 Difference]: Start difference. First operand 227 states and 299 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 20:05:03,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:03,151 INFO L93 Difference]: Finished difference Result 375 states and 509 transitions. [2024-10-24 20:05:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:05:03,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-10-24 20:05:03,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:03,154 INFO L225 Difference]: With dead ends: 375 [2024-10-24 20:05:03,154 INFO L226 Difference]: Without dead ends: 374 [2024-10-24 20:05:03,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:05:03,155 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 198 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:03,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 218 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:05:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-24 20:05:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2024-10-24 20:05:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 263 states have (on average 1.5551330798479088) internal successors, (409), 295 states have internal predecessors, (409), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-24 20:05:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 489 transitions. [2024-10-24 20:05:03,177 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 489 transitions. Word has length 54 [2024-10-24 20:05:03,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:03,177 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 489 transitions. [2024-10-24 20:05:03,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 20:05:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 489 transitions. [2024-10-24 20:05:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:05:03,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:03,178 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:03,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 20:05:03,179 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:03,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1680690415, now seen corresponding path program 1 times [2024-10-24 20:05:03,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:03,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233321801] [2024-10-24 20:05:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:03,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:03,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233321801] [2024-10-24 20:05:03,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233321801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:03,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:03,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:03,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789454085] [2024-10-24 20:05:03,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:03,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:03,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:03,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:03,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:03,279 INFO L87 Difference]: Start difference. First operand 339 states and 489 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:03,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:03,468 INFO L93 Difference]: Finished difference Result 366 states and 510 transitions. [2024-10-24 20:05:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:05:03,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-24 20:05:03,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:03,471 INFO L225 Difference]: With dead ends: 366 [2024-10-24 20:05:03,471 INFO L226 Difference]: Without dead ends: 364 [2024-10-24 20:05:03,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:03,472 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:03,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 166 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:03,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-24 20:05:03,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 343. [2024-10-24 20:05:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 267 states have (on average 1.546816479400749) internal successors, (413), 299 states have internal predecessors, (413), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-24 20:05:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 493 transitions. [2024-10-24 20:05:03,496 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 493 transitions. Word has length 55 [2024-10-24 20:05:03,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:03,496 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 493 transitions. [2024-10-24 20:05:03,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 493 transitions. [2024-10-24 20:05:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 20:05:03,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:03,498 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:03,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 20:05:03,498 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:03,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:03,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1280449475, now seen corresponding path program 1 times [2024-10-24 20:05:03,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:03,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456166472] [2024-10-24 20:05:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:03,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:03,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:03,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456166472] [2024-10-24 20:05:03,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456166472] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:03,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673876965] [2024-10-24 20:05:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:03,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:03,615 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 20:05:03,616 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 20:05:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:03,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:05:03,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-24 20:05:03,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:03,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673876965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:03,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:03,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-10-24 20:05:03,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127181984] [2024-10-24 20:05:03,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:03,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:03,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:03,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:03,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:05:03,781 INFO L87 Difference]: Start difference. First operand 343 states and 493 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:03,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:03,847 INFO L93 Difference]: Finished difference Result 343 states and 493 transitions. [2024-10-24 20:05:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:05:03,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-10-24 20:05:03,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:03,849 INFO L225 Difference]: With dead ends: 343 [2024-10-24 20:05:03,850 INFO L226 Difference]: Without dead ends: 341 [2024-10-24 20:05:03,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:05:03,850 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 121 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:03,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 316 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:05:03,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-24 20:05:03,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2024-10-24 20:05:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 297 states have internal predecessors, (401), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-24 20:05:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2024-10-24 20:05:03,894 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 58 [2024-10-24 20:05:03,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:03,895 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2024-10-24 20:05:03,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:03,895 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2024-10-24 20:05:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 20:05:03,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:03,896 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:03,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:05:04,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:04,097 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:04,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:04,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1039228013, now seen corresponding path program 1 times [2024-10-24 20:05:04,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:04,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750930443] [2024-10-24 20:05:04,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:04,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750930443] [2024-10-24 20:05:04,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750930443] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:04,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261478662] [2024-10-24 20:05:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:04,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:04,236 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 20:05:04,237 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 20:05:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:04,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:05:04,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-24 20:05:04,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:04,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261478662] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:04,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:05:04,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 6] total 18 [2024-10-24 20:05:04,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724676217] [2024-10-24 20:05:04,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:04,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:04,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:04,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:05:04,550 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:04,703 INFO L93 Difference]: Finished difference Result 380 states and 509 transitions. [2024-10-24 20:05:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:05:04,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-24 20:05:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:04,707 INFO L225 Difference]: With dead ends: 380 [2024-10-24 20:05:04,708 INFO L226 Difference]: Without dead ends: 378 [2024-10-24 20:05:04,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:05:04,709 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 84 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:04,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 390 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:05:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-24 20:05:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 353. [2024-10-24 20:05:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 276 states have (on average 1.4565217391304348) internal successors, (402), 306 states have internal predecessors, (402), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-24 20:05:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 482 transitions. [2024-10-24 20:05:04,730 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 482 transitions. Word has length 59 [2024-10-24 20:05:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:04,730 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 482 transitions. [2024-10-24 20:05:04,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:05:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 482 transitions. [2024-10-24 20:05:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 20:05:04,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:04,731 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:04,748 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 20:05:04,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:04,932 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:04,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:04,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2029261199, now seen corresponding path program 1 times [2024-10-24 20:05:04,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:04,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107044328] [2024-10-24 20:05:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:05,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:05,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107044328] [2024-10-24 20:05:05,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107044328] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:05,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568088208] [2024-10-24 20:05:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:05,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:05,047 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 20:05:05,049 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 20:05:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:05:05,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-24 20:05:05,193 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:05:05,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568088208] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:05,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:05,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2024-10-24 20:05:05,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286401587] [2024-10-24 20:05:05,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:05,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 20:05:05,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:05,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 20:05:05,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:05:05,313 INFO L87 Difference]: Start difference. First operand 353 states and 482 transitions. Second operand has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-24 20:05:05,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:05,536 INFO L93 Difference]: Finished difference Result 640 states and 828 transitions. [2024-10-24 20:05:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 20:05:05,537 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 61 [2024-10-24 20:05:05,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:05,539 INFO L225 Difference]: With dead ends: 640 [2024-10-24 20:05:05,540 INFO L226 Difference]: Without dead ends: 481 [2024-10-24 20:05:05,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:05:05,541 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 111 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:05,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 760 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:05:05,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-24 20:05:05,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 436. [2024-10-24 20:05:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 346 states have (on average 1.430635838150289) internal successors, (495), 378 states have internal predecessors, (495), 50 states have call successors, (50), 9 states have call predecessors, (50), 9 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 20:05:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 595 transitions. [2024-10-24 20:05:05,566 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 595 transitions. Word has length 61 [2024-10-24 20:05:05,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:05,567 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 595 transitions. [2024-10-24 20:05:05,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-24 20:05:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 595 transitions. [2024-10-24 20:05:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 20:05:05,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:05,568 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:05,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:05,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:05,769 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:05,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:05,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1484644914, now seen corresponding path program 1 times [2024-10-24 20:05:05,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:05,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192175871] [2024-10-24 20:05:05,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:05,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:05,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395311519] [2024-10-24 20:05:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:05,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:05,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:05,792 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 20:05:05,794 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 20:05:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:05,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:05:05,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:05:06,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:06,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:06,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192175871] [2024-10-24 20:05:06,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:06,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395311519] [2024-10-24 20:05:06,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395311519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:06,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:06,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:05:06,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2177807] [2024-10-24 20:05:06,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:06,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:06,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:06,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:05:06,168 INFO L87 Difference]: Start difference. First operand 436 states and 595 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:06,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:06,573 INFO L93 Difference]: Finished difference Result 629 states and 869 transitions. [2024-10-24 20:05:06,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:05:06,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-10-24 20:05:06,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:06,578 INFO L225 Difference]: With dead ends: 629 [2024-10-24 20:05:06,578 INFO L226 Difference]: Without dead ends: 620 [2024-10-24 20:05:06,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:05:06,579 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 286 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:06,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 179 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:05:06,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-10-24 20:05:06,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 591. [2024-10-24 20:05:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 481 states have (on average 1.4054054054054055) internal successors, (676), 513 states have internal predecessors, (676), 70 states have call successors, (70), 9 states have call predecessors, (70), 9 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 20:05:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 816 transitions. [2024-10-24 20:05:06,614 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 816 transitions. Word has length 68 [2024-10-24 20:05:06,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:06,614 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 816 transitions. [2024-10-24 20:05:06,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 816 transitions. [2024-10-24 20:05:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 20:05:06,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:06,615 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:06,632 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 20:05:06,816 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,SelfDestructingSolverStorable20 [2024-10-24 20:05:06,816 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:06,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1220647984, now seen corresponding path program 1 times [2024-10-24 20:05:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:06,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081336329] [2024-10-24 20:05:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:06,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:06,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351816117] [2024-10-24 20:05:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:06,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:06,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:06,834 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 20:05:06,835 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 20:05:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:06,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:05:06,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:05:07,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:07,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:07,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081336329] [2024-10-24 20:05:07,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:07,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351816117] [2024-10-24 20:05:07,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351816117] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:07,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:07,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:05:07,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820340637] [2024-10-24 20:05:07,907 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:07,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:07,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:05:07,908 INFO L87 Difference]: Start difference. First operand 591 states and 816 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:08,214 INFO L93 Difference]: Finished difference Result 660 states and 896 transitions. [2024-10-24 20:05:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:05:08,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-10-24 20:05:08,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:08,217 INFO L225 Difference]: With dead ends: 660 [2024-10-24 20:05:08,217 INFO L226 Difference]: Without dead ends: 657 [2024-10-24 20:05:08,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:05:08,218 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 152 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:08,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 253 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:05:08,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-24 20:05:08,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 622. [2024-10-24 20:05:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 508 states have (on average 1.4035433070866141) internal successors, (713), 539 states have internal predecessors, (713), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-24 20:05:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 861 transitions. [2024-10-24 20:05:08,254 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 861 transitions. Word has length 69 [2024-10-24 20:05:08,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:08,255 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 861 transitions. [2024-10-24 20:05:08,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 861 transitions. [2024-10-24 20:05:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 20:05:08,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:08,256 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:08,274 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 20:05:08,456 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,SelfDestructingSolverStorable21 [2024-10-24 20:05:08,457 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:08,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1468807044, now seen corresponding path program 1 times [2024-10-24 20:05:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:08,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241163951] [2024-10-24 20:05:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:08,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:08,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114406591] [2024-10-24 20:05:08,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:08,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:08,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:08,471 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 20:05:08,472 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 20:05:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:08,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:05:08,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:05:08,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:08,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:08,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241163951] [2024-10-24 20:05:08,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:08,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114406591] [2024-10-24 20:05:08,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114406591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:08,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:08,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:05:08,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164282030] [2024-10-24 20:05:08,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:08,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:08,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:08,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:08,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:05:08,703 INFO L87 Difference]: Start difference. First operand 622 states and 861 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:08,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:08,971 INFO L93 Difference]: Finished difference Result 661 states and 929 transitions. [2024-10-24 20:05:08,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:05:08,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-10-24 20:05:08,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:08,976 INFO L225 Difference]: With dead ends: 661 [2024-10-24 20:05:08,976 INFO L226 Difference]: Without dead ends: 657 [2024-10-24 20:05:08,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:05:08,977 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 170 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:08,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 196 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:08,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-24 20:05:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 618. [2024-10-24 20:05:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 508 states have (on average 1.3779527559055118) internal successors, (700), 535 states have internal predecessors, (700), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-24 20:05:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 848 transitions. [2024-10-24 20:05:09,013 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 848 transitions. Word has length 70 [2024-10-24 20:05:09,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:09,013 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 848 transitions. [2024-10-24 20:05:09,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 848 transitions. [2024-10-24 20:05:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 20:05:09,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:09,015 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:09,033 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 20:05:09,219 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,SelfDestructingSolverStorable22 [2024-10-24 20:05:09,220 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:09,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:09,220 INFO L85 PathProgramCache]: Analyzing trace with hash -814618096, now seen corresponding path program 1 times [2024-10-24 20:05:09,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:09,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718057284] [2024-10-24 20:05:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 20:05:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:05:09,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:09,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718057284] [2024-10-24 20:05:09,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718057284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:09,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:09,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:05:09,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424400615] [2024-10-24 20:05:09,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:09,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:05:09,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:09,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:05:09,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:05:09,301 INFO L87 Difference]: Start difference. First operand 618 states and 848 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:10,482 INFO L93 Difference]: Finished difference Result 889 states and 1246 transitions. [2024-10-24 20:05:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:05:10,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-10-24 20:05:10,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:10,487 INFO L225 Difference]: With dead ends: 889 [2024-10-24 20:05:10,487 INFO L226 Difference]: Without dead ends: 886 [2024-10-24 20:05:10,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:05:10,489 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 142 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:10,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 232 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 20:05:10,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2024-10-24 20:05:10,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 637. [2024-10-24 20:05:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 524 states have (on average 1.3625954198473282) internal successors, (714), 550 states have internal predecessors, (714), 78 states have call successors, (78), 9 states have call predecessors, (78), 9 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-24 20:05:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 870 transitions. [2024-10-24 20:05:10,536 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 870 transitions. Word has length 70 [2024-10-24 20:05:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:10,537 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 870 transitions. [2024-10-24 20:05:10,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 870 transitions. [2024-10-24 20:05:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 20:05:10,538 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:10,538 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:10,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 20:05:10,538 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:10,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:10,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1711621802, now seen corresponding path program 1 times [2024-10-24 20:05:10,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:10,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447893582] [2024-10-24 20:05:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:10,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619157197] [2024-10-24 20:05:10,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:10,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:10,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:10,557 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 20:05:10,560 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 20:05:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:10,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:05:10,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:05:10,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:11,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:11,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447893582] [2024-10-24 20:05:11,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:11,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619157197] [2024-10-24 20:05:11,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619157197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:11,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:11,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:05:11,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836822133] [2024-10-24 20:05:11,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:11,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:11,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:11,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:11,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:05:11,133 INFO L87 Difference]: Start difference. First operand 637 states and 870 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:11,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:11,458 INFO L93 Difference]: Finished difference Result 1005 states and 1433 transitions. [2024-10-24 20:05:11,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:05:11,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-10-24 20:05:11,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:11,462 INFO L225 Difference]: With dead ends: 1005 [2024-10-24 20:05:11,463 INFO L226 Difference]: Without dead ends: 1001 [2024-10-24 20:05:11,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:05:11,464 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 151 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:11,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 292 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:11,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-24 20:05:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 794. [2024-10-24 20:05:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 661 states have (on average 1.3691376701966718) internal successors, (905), 686 states have internal predecessors, (905), 98 states have call successors, (98), 9 states have call predecessors, (98), 9 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 20:05:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1101 transitions. [2024-10-24 20:05:11,521 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1101 transitions. Word has length 71 [2024-10-24 20:05:11,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:11,521 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1101 transitions. [2024-10-24 20:05:11,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1101 transitions. [2024-10-24 20:05:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 20:05:11,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:11,523 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:11,540 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 20:05:11,723 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,SelfDestructingSolverStorable24 [2024-10-24 20:05:11,724 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:11,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:11,724 INFO L85 PathProgramCache]: Analyzing trace with hash 516642866, now seen corresponding path program 1 times [2024-10-24 20:05:11,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:11,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665720025] [2024-10-24 20:05:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:11,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596454581] [2024-10-24 20:05:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:11,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:11,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:11,737 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 20:05:11,739 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 20:05:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:11,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:05:11,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:05:12,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:20,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:20,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665720025] [2024-10-24 20:05:20,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:20,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596454581] [2024-10-24 20:05:20,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596454581] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:20,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:20,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:05:20,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004619083] [2024-10-24 20:05:20,309 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:20,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:05:20,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:20,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:05:20,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=80, Unknown=2, NotChecked=0, Total=110 [2024-10-24 20:05:20,310 INFO L87 Difference]: Start difference. First operand 794 states and 1101 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:20,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:20,921 INFO L93 Difference]: Finished difference Result 825 states and 1124 transitions. [2024-10-24 20:05:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:05:20,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-10-24 20:05:20,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:20,925 INFO L225 Difference]: With dead ends: 825 [2024-10-24 20:05:20,926 INFO L226 Difference]: Without dead ends: 818 [2024-10-24 20:05:20,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=53, Invalid=155, Unknown=2, NotChecked=0, Total=210 [2024-10-24 20:05:20,927 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 270 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:20,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 239 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:05:20,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-10-24 20:05:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 792. [2024-10-24 20:05:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 659 states have (on average 1.362670713201821) internal successors, (898), 684 states have internal predecessors, (898), 98 states have call successors, (98), 9 states have call predecessors, (98), 9 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 20:05:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1094 transitions. [2024-10-24 20:05:20,984 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1094 transitions. Word has length 71 [2024-10-24 20:05:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:20,984 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1094 transitions. [2024-10-24 20:05:20,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 20:05:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1094 transitions. [2024-10-24 20:05:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-24 20:05:20,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:20,985 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:21,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:05:21,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:21,190 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:21,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:21,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2094134107, now seen corresponding path program 1 times [2024-10-24 20:05:21,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:21,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181614911] [2024-10-24 20:05:21,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:21,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:21,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:21,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181614911] [2024-10-24 20:05:21,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181614911] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:21,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255369209] [2024-10-24 20:05:21,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:21,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:21,355 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:21,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:05:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:21,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:05:21,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:21,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:21,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255369209] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:21,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:21,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-24 20:05:21,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896846984] [2024-10-24 20:05:21,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:21,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:05:21,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:21,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:05:21,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:05:21,675 INFO L87 Difference]: Start difference. First operand 792 states and 1094 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-24 20:05:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:22,795 INFO L93 Difference]: Finished difference Result 1324 states and 1887 transitions. [2024-10-24 20:05:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:05:22,796 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 91 [2024-10-24 20:05:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:22,802 INFO L225 Difference]: With dead ends: 1324 [2024-10-24 20:05:22,802 INFO L226 Difference]: Without dead ends: 1322 [2024-10-24 20:05:22,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:05:22,803 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 330 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:22,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 355 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 20:05:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2024-10-24 20:05:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1037. [2024-10-24 20:05:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 863 states have (on average 1.3696407879490151) internal successors, (1182), 887 states have internal predecessors, (1182), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-24 20:05:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1462 transitions. [2024-10-24 20:05:22,889 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1462 transitions. Word has length 91 [2024-10-24 20:05:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:22,889 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1462 transitions. [2024-10-24 20:05:22,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-24 20:05:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1462 transitions. [2024-10-24 20:05:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 20:05:22,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:22,891 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:22,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:23,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-24 20:05:23,092 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:23,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash 493647982, now seen corresponding path program 1 times [2024-10-24 20:05:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:23,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068488172] [2024-10-24 20:05:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068488172] [2024-10-24 20:05:23,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068488172] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460012296] [2024-10-24 20:05:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:23,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:23,198 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:23,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:05:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:23,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:05:23,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:23,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:23,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460012296] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:23,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:23,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-24 20:05:23,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361076255] [2024-10-24 20:05:23,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:23,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:05:23,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:23,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:05:23,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:05:23,474 INFO L87 Difference]: Start difference. First operand 1037 states and 1462 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-24 20:05:24,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:24,425 INFO L93 Difference]: Finished difference Result 1354 states and 1894 transitions. [2024-10-24 20:05:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:05:24,426 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 92 [2024-10-24 20:05:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:24,432 INFO L225 Difference]: With dead ends: 1354 [2024-10-24 20:05:24,432 INFO L226 Difference]: Without dead ends: 1352 [2024-10-24 20:05:24,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-10-24 20:05:24,433 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 932 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:24,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 445 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:05:24,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-10-24 20:05:24,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1041. [2024-10-24 20:05:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 868 states have (on average 1.3317972350230414) internal successors, (1156), 891 states have internal predecessors, (1156), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-24 20:05:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1436 transitions. [2024-10-24 20:05:24,523 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1436 transitions. Word has length 92 [2024-10-24 20:05:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:24,523 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1436 transitions. [2024-10-24 20:05:24,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-24 20:05:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1436 transitions. [2024-10-24 20:05:24,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 20:05:24,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:24,524 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:24,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:24,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-24 20:05:24,725 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:24,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:24,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1949311622, now seen corresponding path program 1 times [2024-10-24 20:05:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971224832] [2024-10-24 20:05:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:24,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:24,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971224832] [2024-10-24 20:05:24,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971224832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:24,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:24,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:05:24,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871099393] [2024-10-24 20:05:24,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:24,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:05:24,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:05:24,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:05:24,805 INFO L87 Difference]: Start difference. First operand 1041 states and 1436 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:05:24,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:24,919 INFO L93 Difference]: Finished difference Result 1041 states and 1436 transitions. [2024-10-24 20:05:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:05:24,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2024-10-24 20:05:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:24,924 INFO L225 Difference]: With dead ends: 1041 [2024-10-24 20:05:24,925 INFO L226 Difference]: Without dead ends: 1040 [2024-10-24 20:05:24,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:05:24,926 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 20 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:24,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 148 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:05:24,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-10-24 20:05:25,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2024-10-24 20:05:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 868 states have (on average 1.3214285714285714) internal successors, (1147), 890 states have internal predecessors, (1147), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-24 20:05:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1427 transitions. [2024-10-24 20:05:25,014 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1427 transitions. Word has length 94 [2024-10-24 20:05:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:25,014 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1427 transitions. [2024-10-24 20:05:25,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:05:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1427 transitions. [2024-10-24 20:05:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 20:05:25,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:25,019 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:25,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 20:05:25,020 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:25,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:25,020 INFO L85 PathProgramCache]: Analyzing trace with hash 682731976, now seen corresponding path program 1 times [2024-10-24 20:05:25,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:25,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581101105] [2024-10-24 20:05:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:25,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:25,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:25,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581101105] [2024-10-24 20:05:25,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581101105] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:25,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655218395] [2024-10-24 20:05:25,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:25,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:25,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:25,145 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:25,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:05:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:25,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:05:25,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:25,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655218395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:25,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:25,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-24 20:05:25,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312298202] [2024-10-24 20:05:25,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:25,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:05:25,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:25,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:05:25,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:05:25,381 INFO L87 Difference]: Start difference. First operand 1040 states and 1427 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:05:25,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:25,706 INFO L93 Difference]: Finished difference Result 1058 states and 1458 transitions. [2024-10-24 20:05:25,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:05:25,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-10-24 20:05:25,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:25,714 INFO L225 Difference]: With dead ends: 1058 [2024-10-24 20:05:25,714 INFO L226 Difference]: Without dead ends: 1057 [2024-10-24 20:05:25,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:05:25,716 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 88 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:25,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 128 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:05:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-10-24 20:05:25,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1039. [2024-10-24 20:05:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 868 states have (on average 1.3133640552995391) internal successors, (1140), 889 states have internal predecessors, (1140), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-24 20:05:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1420 transitions. [2024-10-24 20:05:25,796 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1420 transitions. Word has length 96 [2024-10-24 20:05:25,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:25,796 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1420 transitions. [2024-10-24 20:05:25,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:05:25,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1420 transitions. [2024-10-24 20:05:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 20:05:25,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:25,798 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:25,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:25,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:25,999 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:26,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:26,000 INFO L85 PathProgramCache]: Analyzing trace with hash -310145086, now seen corresponding path program 1 times [2024-10-24 20:05:26,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:26,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568276598] [2024-10-24 20:05:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:26,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:26,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568276598] [2024-10-24 20:05:26,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568276598] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:26,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928782008] [2024-10-24 20:05:26,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:26,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:26,115 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:26,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:05:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:26,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:05:26,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:26,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:05:26,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928782008] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:26,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:26,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-24 20:05:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734356363] [2024-10-24 20:05:26,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:26,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:05:26,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:26,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:05:26,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:05:26,459 INFO L87 Difference]: Start difference. First operand 1039 states and 1420 transitions. Second operand has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-24 20:05:26,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:26,993 INFO L93 Difference]: Finished difference Result 1434 states and 1980 transitions. [2024-10-24 20:05:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:05:26,994 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 97 [2024-10-24 20:05:26,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:27,000 INFO L225 Difference]: With dead ends: 1434 [2024-10-24 20:05:27,001 INFO L226 Difference]: Without dead ends: 1432 [2024-10-24 20:05:27,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:05:27,002 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 301 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:27,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 343 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:27,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-10-24 20:05:27,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1189. [2024-10-24 20:05:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1000 states have (on average 1.312) internal successors, (1312), 1021 states have internal predecessors, (1312), 158 states have call successors, (158), 9 states have call predecessors, (158), 9 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 20:05:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1628 transitions. [2024-10-24 20:05:27,108 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1628 transitions. Word has length 97 [2024-10-24 20:05:27,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:27,109 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1628 transitions. [2024-10-24 20:05:27,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-24 20:05:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1628 transitions. [2024-10-24 20:05:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 20:05:27,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:27,110 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:27,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-24 20:05:27,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:27,313 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:27,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:27,313 INFO L85 PathProgramCache]: Analyzing trace with hash -333473127, now seen corresponding path program 1 times [2024-10-24 20:05:27,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:27,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558052562] [2024-10-24 20:05:27,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 20:05:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 20:05:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 20:05:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:05:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:27,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:27,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558052562] [2024-10-24 20:05:27,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558052562] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:27,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965883365] [2024-10-24 20:05:27,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:27,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:27,437 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:27,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 20:05:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:27,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:05:27,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:27,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965883365] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:27,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:27,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-24 20:05:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702733399] [2024-10-24 20:05:27,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:27,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:05:27,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:05:27,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:05:27,852 INFO L87 Difference]: Start difference. First operand 1189 states and 1628 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-24 20:05:28,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:28,409 INFO L93 Difference]: Finished difference Result 1234 states and 1676 transitions. [2024-10-24 20:05:28,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:05:28,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2024-10-24 20:05:28,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:28,415 INFO L225 Difference]: With dead ends: 1234 [2024-10-24 20:05:28,415 INFO L226 Difference]: Without dead ends: 1233 [2024-10-24 20:05:28,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:05:28,418 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 506 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:28,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 312 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:28,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-10-24 20:05:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1118. [2024-10-24 20:05:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 940 states have (on average 1.3085106382978724) internal successors, (1230), 960 states have internal predecessors, (1230), 148 states have call successors, (148), 9 states have call predecessors, (148), 9 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-24 20:05:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1526 transitions. [2024-10-24 20:05:28,522 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1526 transitions. Word has length 107 [2024-10-24 20:05:28,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:28,523 INFO L471 AbstractCegarLoop]: Abstraction has 1118 states and 1526 transitions. [2024-10-24 20:05:28,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-24 20:05:28,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1526 transitions. [2024-10-24 20:05:28,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 20:05:28,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:28,524 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:28,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-24 20:05:28,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:28,725 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:28,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:28,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1773829879, now seen corresponding path program 1 times [2024-10-24 20:05:28,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:28,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569557020] [2024-10-24 20:05:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:28,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:05:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:28,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569557020] [2024-10-24 20:05:28,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569557020] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:28,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376787584] [2024-10-24 20:05:28,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:28,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:28,889 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:28,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 20:05:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:28,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:05:28,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-24 20:05:29,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:29,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376787584] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:29,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:29,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-10-24 20:05:29,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262088620] [2024-10-24 20:05:29,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:29,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-24 20:05:29,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:29,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-24 20:05:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-10-24 20:05:29,356 INFO L87 Difference]: Start difference. First operand 1118 states and 1526 transitions. Second operand has 25 states, 24 states have (on average 7.666666666666667) internal successors, (184), 25 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-24 20:05:29,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:29,985 INFO L93 Difference]: Finished difference Result 1863 states and 2451 transitions. [2024-10-24 20:05:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-24 20:05:29,986 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.666666666666667) internal successors, (184), 25 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 109 [2024-10-24 20:05:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:29,991 INFO L225 Difference]: With dead ends: 1863 [2024-10-24 20:05:29,991 INFO L226 Difference]: Without dead ends: 1601 [2024-10-24 20:05:29,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-10-24 20:05:29,993 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 330 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:29,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 949 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2024-10-24 20:05:30,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1404. [2024-10-24 20:05:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1183 states have (on average 1.2857142857142858) internal successors, (1521), 1203 states have internal predecessors, (1521), 181 states have call successors, (181), 19 states have call predecessors, (181), 19 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-10-24 20:05:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1883 transitions. [2024-10-24 20:05:30,110 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1883 transitions. Word has length 109 [2024-10-24 20:05:30,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:30,111 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1883 transitions. [2024-10-24 20:05:30,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.666666666666667) internal successors, (184), 25 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-24 20:05:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1883 transitions. [2024-10-24 20:05:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 20:05:30,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:30,112 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:30,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-24 20:05:30,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-24 20:05:30,313 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:30,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:30,314 INFO L85 PathProgramCache]: Analyzing trace with hash -2097993323, now seen corresponding path program 1 times [2024-10-24 20:05:30,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:30,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390142772] [2024-10-24 20:05:30,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:30,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:30,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616212658] [2024-10-24 20:05:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:30,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:30,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:30,342 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:30,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 20:05:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:30,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:05:30,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:30,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:31,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390142772] [2024-10-24 20:05:31,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616212658] [2024-10-24 20:05:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616212658] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:31,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:31,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:05:31,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500856079] [2024-10-24 20:05:31,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:31,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:05:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:31,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:05:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:05:31,089 INFO L87 Difference]: Start difference. First operand 1404 states and 1883 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:05:32,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:32,050 INFO L93 Difference]: Finished difference Result 2653 states and 3662 transitions. [2024-10-24 20:05:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 20:05:32,051 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 109 [2024-10-24 20:05:32,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:32,060 INFO L225 Difference]: With dead ends: 2653 [2024-10-24 20:05:32,061 INFO L226 Difference]: Without dead ends: 2650 [2024-10-24 20:05:32,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:05:32,062 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 254 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:32,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 507 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:05:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2024-10-24 20:05:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1460. [2024-10-24 20:05:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1230 states have (on average 1.2853658536585366) internal successors, (1581), 1250 states have internal predecessors, (1581), 190 states have call successors, (190), 19 states have call predecessors, (190), 19 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-10-24 20:05:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1961 transitions. [2024-10-24 20:05:32,213 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1961 transitions. Word has length 109 [2024-10-24 20:05:32,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:32,213 INFO L471 AbstractCegarLoop]: Abstraction has 1460 states and 1961 transitions. [2024-10-24 20:05:32,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:05:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1961 transitions. [2024-10-24 20:05:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-24 20:05:32,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:32,215 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:32,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-24 20:05:32,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-24 20:05:32,416 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:32,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:32,416 INFO L85 PathProgramCache]: Analyzing trace with hash -613283511, now seen corresponding path program 1 times [2024-10-24 20:05:32,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:32,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972088533] [2024-10-24 20:05:32,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:32,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:32,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834619726] [2024-10-24 20:05:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:32,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:32,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:32,434 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:32,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-24 20:05:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:32,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:05:32,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:32,880 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:32,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972088533] [2024-10-24 20:05:33,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834619726] [2024-10-24 20:05:33,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834619726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:33,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:33,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:05:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012136318] [2024-10-24 20:05:33,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:33,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:05:33,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:33,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:05:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:05:33,634 INFO L87 Difference]: Start difference. First operand 1460 states and 1961 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:05:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:34,061 INFO L93 Difference]: Finished difference Result 1606 states and 2148 transitions. [2024-10-24 20:05:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 20:05:34,062 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2024-10-24 20:05:34,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:34,067 INFO L225 Difference]: With dead ends: 1606 [2024-10-24 20:05:34,067 INFO L226 Difference]: Without dead ends: 1603 [2024-10-24 20:05:34,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:05:34,068 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 94 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:34,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 265 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:05:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2024-10-24 20:05:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1574. [2024-10-24 20:05:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1327 states have (on average 1.2840994724943482) internal successors, (1704), 1347 states have internal predecessors, (1704), 207 states have call successors, (207), 19 states have call predecessors, (207), 19 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-10-24 20:05:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2118 transitions. [2024-10-24 20:05:34,193 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2118 transitions. Word has length 110 [2024-10-24 20:05:34,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:34,193 INFO L471 AbstractCegarLoop]: Abstraction has 1574 states and 2118 transitions. [2024-10-24 20:05:34,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:05:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2118 transitions. [2024-10-24 20:05:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 20:05:34,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:34,195 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:34,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:34,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:34,396 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:34,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:34,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1831919593, now seen corresponding path program 1 times [2024-10-24 20:05:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:34,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516484528] [2024-10-24 20:05:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:34,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 20:05:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516484528] [2024-10-24 20:05:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516484528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:34,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:34,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:05:34,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653863321] [2024-10-24 20:05:34,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:34,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:05:34,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:05:34,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:05:34,563 INFO L87 Difference]: Start difference. First operand 1574 states and 2118 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:05:35,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:35,453 INFO L93 Difference]: Finished difference Result 1581 states and 2121 transitions. [2024-10-24 20:05:35,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:05:35,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 111 [2024-10-24 20:05:35,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:35,460 INFO L225 Difference]: With dead ends: 1581 [2024-10-24 20:05:35,460 INFO L226 Difference]: Without dead ends: 1579 [2024-10-24 20:05:35,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:05:35,462 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 105 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:35,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 220 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:05:35,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-10-24 20:05:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1540. [2024-10-24 20:05:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1299 states have (on average 1.2755966127790608) internal successors, (1657), 1317 states have internal predecessors, (1657), 203 states have call successors, (203), 19 states have call predecessors, (203), 19 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-10-24 20:05:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2063 transitions. [2024-10-24 20:05:35,595 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2063 transitions. Word has length 111 [2024-10-24 20:05:35,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:35,596 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2063 transitions. [2024-10-24 20:05:35,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:05:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2063 transitions. [2024-10-24 20:05:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 20:05:35,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:35,598 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:35,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 20:05:35,598 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:35,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:35,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1111770159, now seen corresponding path program 2 times [2024-10-24 20:05:35,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:35,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88196574] [2024-10-24 20:05:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:35,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400067927] [2024-10-24 20:05:35,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:05:35,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:35,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:35,617 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:35,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-24 20:05:35,676 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:05:35,677 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:05:35,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 20:05:35,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-24 20:05:36,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:36,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:36,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88196574] [2024-10-24 20:05:36,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:36,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400067927] [2024-10-24 20:05:36,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400067927] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:36,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:36,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:05:36,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328496933] [2024-10-24 20:05:36,437 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:36,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:05:36,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:36,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:05:36,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:05:36,438 INFO L87 Difference]: Start difference. First operand 1540 states and 2063 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:05:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:36,964 INFO L93 Difference]: Finished difference Result 1915 states and 2570 transitions. [2024-10-24 20:05:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:05:36,965 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 112 [2024-10-24 20:05:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:36,973 INFO L225 Difference]: With dead ends: 1915 [2024-10-24 20:05:36,973 INFO L226 Difference]: Without dead ends: 1912 [2024-10-24 20:05:36,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:05:36,975 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 242 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:36,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 356 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-10-24 20:05:37,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1540. [2024-10-24 20:05:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1299 states have (on average 1.27328714395689) internal successors, (1654), 1317 states have internal predecessors, (1654), 203 states have call successors, (203), 19 states have call predecessors, (203), 19 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-10-24 20:05:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2060 transitions. [2024-10-24 20:05:37,123 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2060 transitions. Word has length 112 [2024-10-24 20:05:37,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:37,124 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2060 transitions. [2024-10-24 20:05:37,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:05:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2060 transitions. [2024-10-24 20:05:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 20:05:37,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:37,125 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:37,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-24 20:05:37,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:37,330 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:37,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash -954932469, now seen corresponding path program 1 times [2024-10-24 20:05:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:37,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236379542] [2024-10-24 20:05:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:37,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [79848047] [2024-10-24 20:05:37,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:37,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:37,347 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:37,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-24 20:05:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:37,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 20:05:37,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:05:37,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:46,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:46,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236379542] [2024-10-24 20:05:46,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:46,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79848047] [2024-10-24 20:05:46,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79848047] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:46,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:46,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:05:46,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735280566] [2024-10-24 20:05:46,236 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:46,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:05:46,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:46,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:05:46,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=163, Unknown=2, NotChecked=0, Total=210 [2024-10-24 20:05:46,238 INFO L87 Difference]: Start difference. First operand 1540 states and 2060 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:05:46,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:46,860 INFO L93 Difference]: Finished difference Result 1562 states and 2072 transitions. [2024-10-24 20:05:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:05:46,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2024-10-24 20:05:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:46,875 INFO L225 Difference]: With dead ends: 1562 [2024-10-24 20:05:46,875 INFO L226 Difference]: Without dead ends: 1555 [2024-10-24 20:05:46,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=90, Invalid=328, Unknown=2, NotChecked=0, Total=420 [2024-10-24 20:05:46,881 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 212 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:46,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 317 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:46,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-10-24 20:05:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1406. [2024-10-24 20:05:46,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1185 states have (on average 1.270042194092827) internal successors, (1505), 1204 states have internal predecessors, (1505), 183 states have call successors, (183), 19 states have call predecessors, (183), 19 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-10-24 20:05:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1871 transitions. [2024-10-24 20:05:46,990 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1871 transitions. Word has length 112 [2024-10-24 20:05:46,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:46,990 INFO L471 AbstractCegarLoop]: Abstraction has 1406 states and 1871 transitions. [2024-10-24 20:05:46,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:05:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1871 transitions. [2024-10-24 20:05:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 20:05:46,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:46,991 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 20:05:47,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-24 20:05:47,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-24 20:05:47,195 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:47,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1370438034, now seen corresponding path program 2 times [2024-10-24 20:05:47,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766329289] [2024-10-24 20:05:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:47,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 20:05:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 20:05:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 20:05:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:05:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 20:05:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:05:47,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:47,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766329289] [2024-10-24 20:05:47,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766329289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:47,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:47,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:05:47,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643225285] [2024-10-24 20:05:47,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:47,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:05:47,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:47,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:05:47,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:05:47,282 INFO L87 Difference]: Start difference. First operand 1406 states and 1871 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-24 20:05:47,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:47,898 INFO L93 Difference]: Finished difference Result 2437 states and 3305 transitions. [2024-10-24 20:05:47,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:05:47,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 122 [2024-10-24 20:05:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:47,907 INFO L225 Difference]: With dead ends: 2437 [2024-10-24 20:05:47,907 INFO L226 Difference]: Without dead ends: 1443 [2024-10-24 20:05:47,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:05:47,909 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 52 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:47,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 173 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:05:47,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-10-24 20:05:48,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1376. [2024-10-24 20:05:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1159 states have (on average 1.2821397756686799) internal successors, (1486), 1177 states have internal predecessors, (1486), 181 states have call successors, (181), 17 states have call predecessors, (181), 17 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-10-24 20:05:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1848 transitions. [2024-10-24 20:05:48,015 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1848 transitions. Word has length 122 [2024-10-24 20:05:48,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:48,016 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1848 transitions. [2024-10-24 20:05:48,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-24 20:05:48,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1848 transitions. [2024-10-24 20:05:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 20:05:48,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:48,017 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:48,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-24 20:05:48,017 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:48,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2043773060, now seen corresponding path program 1 times [2024-10-24 20:05:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:48,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262547542] [2024-10-24 20:05:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:48,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:05:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:05:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:05:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:05:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:05:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:05:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:05:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:05:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:05:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 20:05:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 20:05:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:05:48,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:48,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262547542] [2024-10-24 20:05:48,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262547542] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:48,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350692336] [2024-10-24 20:05:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:48,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:48,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:48,208 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:48,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-24 20:05:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:05:48,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:05:48,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-24 20:05:48,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:05:48,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350692336] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:05:48,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:05:48,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-10-24 20:05:48,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517750522] [2024-10-24 20:05:48,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:48,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-24 20:05:48,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:48,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-24 20:05:48,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2024-10-24 20:05:48,719 INFO L87 Difference]: Start difference. First operand 1376 states and 1848 transitions. Second operand has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-10-24 20:05:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:49,220 INFO L93 Difference]: Finished difference Result 2009 states and 2649 transitions. [2024-10-24 20:05:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-24 20:05:49,221 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 124 [2024-10-24 20:05:49,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:49,226 INFO L225 Difference]: With dead ends: 2009 [2024-10-24 20:05:49,227 INFO L226 Difference]: Without dead ends: 1529 [2024-10-24 20:05:49,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=488, Invalid=1674, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 20:05:49,230 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 280 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:49,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 830 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:49,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-10-24 20:05:49,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1483. [2024-10-24 20:05:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1249 states have (on average 1.2618094475580464) internal successors, (1576), 1269 states have internal predecessors, (1576), 190 states have call successors, (190), 25 states have call predecessors, (190), 25 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-10-24 20:05:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1956 transitions. [2024-10-24 20:05:49,373 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1956 transitions. Word has length 124 [2024-10-24 20:05:49,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:49,373 INFO L471 AbstractCegarLoop]: Abstraction has 1483 states and 1956 transitions. [2024-10-24 20:05:49,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-10-24 20:05:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1956 transitions. [2024-10-24 20:05:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 20:05:49,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:49,375 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:49,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:49,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-24 20:05:49,579 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:49,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:49,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1818834514, now seen corresponding path program 2 times [2024-10-24 20:05:49,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:49,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695725801] [2024-10-24 20:05:49,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:49,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:49,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959691500] [2024-10-24 20:05:49,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:05:49,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:49,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:49,608 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:49,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-24 20:05:49,683 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:05:49,683 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:05:49,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:05:49,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:05:50,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:05:50,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:50,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695725801] [2024-10-24 20:05:50,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:50,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959691500] [2024-10-24 20:05:50,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959691500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:05:50,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:05:50,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 20:05:50,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896004640] [2024-10-24 20:05:50,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:05:50,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:05:50,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:50,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:05:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:05:50,115 INFO L87 Difference]: Start difference. First operand 1483 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 20:05:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:50,661 INFO L93 Difference]: Finished difference Result 1962 states and 2641 transitions. [2024-10-24 20:05:50,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:05:50,662 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 150 [2024-10-24 20:05:50,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:50,668 INFO L225 Difference]: With dead ends: 1962 [2024-10-24 20:05:50,668 INFO L226 Difference]: Without dead ends: 1959 [2024-10-24 20:05:50,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:05:50,670 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 187 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:50,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 493 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:05:50,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2024-10-24 20:05:50,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1066. [2024-10-24 20:05:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 891 states have (on average 1.2143658810325477) internal successors, (1082), 908 states have internal predecessors, (1082), 134 states have call successors, (134), 25 states have call predecessors, (134), 25 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-10-24 20:05:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1350 transitions. [2024-10-24 20:05:50,801 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1350 transitions. Word has length 150 [2024-10-24 20:05:50,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:50,802 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1350 transitions. [2024-10-24 20:05:50,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 20:05:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1350 transitions. [2024-10-24 20:05:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 20:05:50,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:50,804 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:50,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:51,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-24 20:05:51,005 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:51,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash -549295024, now seen corresponding path program 2 times [2024-10-24 20:05:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:51,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986408855] [2024-10-24 20:05:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:51,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:51,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540999130] [2024-10-24 20:05:51,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:05:51,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:51,041 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:51,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-24 20:05:51,107 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:05:51,107 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:05:51,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:05:51,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:05:51,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:52,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:52,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986408855] [2024-10-24 20:05:52,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:52,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540999130] [2024-10-24 20:05:52,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540999130] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:52,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:52,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:05:52,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746882243] [2024-10-24 20:05:52,087 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:52,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:05:52,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:05:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:05:52,089 INFO L87 Difference]: Start difference. First operand 1066 states and 1350 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 20:05:52,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:52,395 INFO L93 Difference]: Finished difference Result 1189 states and 1513 transitions. [2024-10-24 20:05:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:05:52,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2024-10-24 20:05:52,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:52,399 INFO L225 Difference]: With dead ends: 1189 [2024-10-24 20:05:52,399 INFO L226 Difference]: Without dead ends: 1186 [2024-10-24 20:05:52,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:05:52,400 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 154 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:52,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 298 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:05:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-10-24 20:05:52,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1167. [2024-10-24 20:05:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 976 states have (on average 1.221311475409836) internal successors, (1192), 993 states have internal predecessors, (1192), 150 states have call successors, (150), 25 states have call predecessors, (150), 25 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-24 20:05:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1492 transitions. [2024-10-24 20:05:52,493 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1492 transitions. Word has length 151 [2024-10-24 20:05:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:52,494 INFO L471 AbstractCegarLoop]: Abstraction has 1167 states and 1492 transitions. [2024-10-24 20:05:52,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 20:05:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1492 transitions. [2024-10-24 20:05:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 20:05:52,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:52,495 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:52,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-24 20:05:52,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:52,696 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:52,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:52,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1819803274, now seen corresponding path program 3 times [2024-10-24 20:05:52,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:52,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976953895] [2024-10-24 20:05:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:52,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065423941] [2024-10-24 20:05:52,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:05:52,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:52,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:52,738 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:52,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-24 20:05:52,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 20:05:52,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:05:52,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 20:05:52,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-10-24 20:05:53,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:05:53,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:05:53,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976953895] [2024-10-24 20:05:53,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:05:53,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065423941] [2024-10-24 20:05:53,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065423941] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:05:53,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:05:53,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:05:53,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112144284] [2024-10-24 20:05:53,694 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:05:53,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:05:53,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:05:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:05:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:05:53,695 INFO L87 Difference]: Start difference. First operand 1167 states and 1492 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:05:54,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:05:54,756 INFO L93 Difference]: Finished difference Result 1387 states and 1783 transitions. [2024-10-24 20:05:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:05:54,757 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 153 [2024-10-24 20:05:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:05:54,759 INFO L225 Difference]: With dead ends: 1387 [2024-10-24 20:05:54,759 INFO L226 Difference]: Without dead ends: 1383 [2024-10-24 20:05:54,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:05:54,760 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 319 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:05:54,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 422 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:05:54,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-10-24 20:05:54,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1163. [2024-10-24 20:05:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 972 states have (on average 1.2037037037037037) internal successors, (1170), 989 states have internal predecessors, (1170), 150 states have call successors, (150), 25 states have call predecessors, (150), 25 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-24 20:05:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1470 transitions. [2024-10-24 20:05:54,867 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1470 transitions. Word has length 153 [2024-10-24 20:05:54,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:05:54,868 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1470 transitions. [2024-10-24 20:05:54,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:05:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1470 transitions. [2024-10-24 20:05:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 20:05:54,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:05:54,869 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:05:54,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-24 20:05:55,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:55,070 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:05:55,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:05:55,070 INFO L85 PathProgramCache]: Analyzing trace with hash 408461394, now seen corresponding path program 2 times [2024-10-24 20:05:55,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:05:55,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741922810] [2024-10-24 20:05:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:05:55,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:05:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:05:55,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410839345] [2024-10-24 20:05:55,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:05:55,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:05:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:05:55,094 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:05:55,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-24 20:05:55,164 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:05:55,164 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:05:55,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 20:05:55,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:05:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:05:55,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:05,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:05,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741922810] [2024-10-24 20:06:05,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:06:05,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410839345] [2024-10-24 20:06:05,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410839345] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:05,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:05,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:06:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994311110] [2024-10-24 20:06:05,265 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:05,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:06:05,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:06:05,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=360, Unknown=2, NotChecked=0, Total=462 [2024-10-24 20:06:05,266 INFO L87 Difference]: Start difference. First operand 1163 states and 1470 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-24 20:06:05,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:05,927 INFO L93 Difference]: Finished difference Result 1185 states and 1483 transitions. [2024-10-24 20:06:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:06:05,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 153 [2024-10-24 20:06:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:05,931 INFO L225 Difference]: With dead ends: 1185 [2024-10-24 20:06:05,931 INFO L226 Difference]: Without dead ends: 1178 [2024-10-24 20:06:05,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=116, Invalid=388, Unknown=2, NotChecked=0, Total=506 [2024-10-24 20:06:05,932 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 94 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:05,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 462 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:06:05,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-10-24 20:06:06,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1087. [2024-10-24 20:06:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 908 states have (on average 1.1883259911894273) internal successors, (1079), 925 states have internal predecessors, (1079), 138 states have call successors, (138), 25 states have call predecessors, (138), 25 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-24 20:06:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1355 transitions. [2024-10-24 20:06:06,028 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1355 transitions. Word has length 153 [2024-10-24 20:06:06,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:06,029 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1355 transitions. [2024-10-24 20:06:06,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-24 20:06:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1355 transitions. [2024-10-24 20:06:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 20:06:06,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:06,030 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:06,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:06,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:06,231 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:06:06,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1318603289, now seen corresponding path program 3 times [2024-10-24 20:06:06,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:06,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950819220] [2024-10-24 20:06:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:06:06,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016514263] [2024-10-24 20:06:06,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:06:06,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:06,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:06,262 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:06:06,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-24 20:06:06,389 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-24 20:06:06,389 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:06:06,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 20:06:06,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 99 proven. 76 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-10-24 20:06:07,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:08,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950819220] [2024-10-24 20:06:08,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:06:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016514263] [2024-10-24 20:06:08,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016514263] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:08,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:08,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-24 20:06:08,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909517915] [2024-10-24 20:06:08,726 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:08,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:06:08,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:08,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:06:08,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:06:08,727 INFO L87 Difference]: Start difference. First operand 1087 states and 1355 transitions. Second operand has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 20:06:12,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:12,915 INFO L93 Difference]: Finished difference Result 1214 states and 1518 transitions. [2024-10-24 20:06:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 20:06:12,915 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 163 [2024-10-24 20:06:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:12,919 INFO L225 Difference]: With dead ends: 1214 [2024-10-24 20:06:12,919 INFO L226 Difference]: Without dead ends: 1192 [2024-10-24 20:06:12,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=312, Invalid=1094, Unknown=0, NotChecked=0, Total=1406 [2024-10-24 20:06:12,921 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 349 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:12,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 297 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 20:06:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-10-24 20:06:13,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1050. [2024-10-24 20:06:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 885 states have (on average 1.1468926553672316) internal successors, (1015), 901 states have internal predecessors, (1015), 125 states have call successors, (125), 25 states have call predecessors, (125), 25 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2024-10-24 20:06:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1265 transitions. [2024-10-24 20:06:13,050 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1265 transitions. Word has length 163 [2024-10-24 20:06:13,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:13,051 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1265 transitions. [2024-10-24 20:06:13,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 20:06:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1265 transitions. [2024-10-24 20:06:13,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-24 20:06:13,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:13,052 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:13,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-24 20:06:13,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-24 20:06:13,253 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:06:13,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:13,253 INFO L85 PathProgramCache]: Analyzing trace with hash 162410459, now seen corresponding path program 3 times [2024-10-24 20:06:13,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:13,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661904218] [2024-10-24 20:06:13,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:13,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:06:13,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121174892] [2024-10-24 20:06:13,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:06:13,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:13,274 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:06:13,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-24 20:06:13,323 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-24 20:06:13,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:06:13,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-24 20:06:13,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-10-24 20:06:13,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:13,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:13,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661904218] [2024-10-24 20:06:13,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:06:13,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121174892] [2024-10-24 20:06:13,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121174892] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:13,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:13,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-24 20:06:13,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021295986] [2024-10-24 20:06:13,810 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:13,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:06:13,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:13,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:06:13,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:06:13,811 INFO L87 Difference]: Start difference. First operand 1050 states and 1265 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 20:06:14,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:14,904 INFO L93 Difference]: Finished difference Result 1065 states and 1282 transitions. [2024-10-24 20:06:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:06:14,904 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 165 [2024-10-24 20:06:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:14,907 INFO L225 Difference]: With dead ends: 1065 [2024-10-24 20:06:14,907 INFO L226 Difference]: Without dead ends: 1035 [2024-10-24 20:06:14,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:06:14,910 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 215 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:14,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 213 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:06:14,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2024-10-24 20:06:15,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 983. [2024-10-24 20:06:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 825 states have (on average 1.143030303030303) internal successors, (943), 838 states have internal predecessors, (943), 119 states have call successors, (119), 25 states have call predecessors, (119), 25 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-10-24 20:06:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1181 transitions. [2024-10-24 20:06:15,027 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1181 transitions. Word has length 165 [2024-10-24 20:06:15,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:15,027 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1181 transitions. [2024-10-24 20:06:15,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 20:06:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1181 transitions. [2024-10-24 20:06:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 20:06:15,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:15,029 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:15,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-24 20:06:15,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:15,229 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:06:15,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:15,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1594842790, now seen corresponding path program 1 times [2024-10-24 20:06:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:15,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343796812] [2024-10-24 20:06:15,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:15,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:06:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:06:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:06:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:06:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:06:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:06:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:06:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:06:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:06:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 20:06:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 20:06:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 20:06:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:06:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 20:06:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 20:06:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 20:06:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 20:06:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 20:06:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 20:06:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-24 20:06:15,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:15,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343796812] [2024-10-24 20:06:15,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343796812] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:15,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132744937] [2024-10-24 20:06:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:15,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:15,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:15,405 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:06:15,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-24 20:06:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:06:15,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 377 proven. 48 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-10-24 20:06:15,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-24 20:06:15,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132744937] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:06:15,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:06:15,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-24 20:06:15,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201894890] [2024-10-24 20:06:15,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:15,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:06:15,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:06:15,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:06:15,733 INFO L87 Difference]: Start difference. First operand 983 states and 1181 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-24 20:06:16,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:16,562 INFO L93 Difference]: Finished difference Result 1634 states and 1996 transitions. [2024-10-24 20:06:16,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:06:16,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 206 [2024-10-24 20:06:16,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:16,564 INFO L225 Difference]: With dead ends: 1634 [2024-10-24 20:06:16,565 INFO L226 Difference]: Without dead ends: 1022 [2024-10-24 20:06:16,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 446 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:06:16,566 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 118 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:16,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 426 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:06:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-10-24 20:06:16,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 960. [2024-10-24 20:06:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 805 states have (on average 1.1503105590062113) internal successors, (926), 818 states have internal predecessors, (926), 120 states have call successors, (120), 21 states have call predecessors, (120), 21 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-24 20:06:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1166 transitions. [2024-10-24 20:06:16,664 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1166 transitions. Word has length 206 [2024-10-24 20:06:16,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:16,664 INFO L471 AbstractCegarLoop]: Abstraction has 960 states and 1166 transitions. [2024-10-24 20:06:16,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-24 20:06:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1166 transitions. [2024-10-24 20:06:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 20:06:16,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:16,666 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:16,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:16,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:16,867 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-24 20:06:16,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:16,867 INFO L85 PathProgramCache]: Analyzing trace with hash -2124397676, now seen corresponding path program 2 times [2024-10-24 20:06:16,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:16,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220613564] [2024-10-24 20:06:16,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:16,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:06:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 20:06:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 20:06:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:06:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:06:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:06:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 20:06:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 20:06:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:06:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:06:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 20:06:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 20:06:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 20:06:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 20:06:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 20:06:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 20:06:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 20:06:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 20:06:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 20:06:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 20:06:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 20:06:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:17,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 20:06:17,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:17,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220613564] [2024-10-24 20:06:17,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220613564] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:17,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277537803] [2024-10-24 20:06:17,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:06:17,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:17,036 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:06:17,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-24 20:06:17,108 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:06:17,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:06:17,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:06:17,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 20:06:17,253 INFO L311 TraceCheckSpWp]: Computing backward predicates...