./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.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 c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:01:49,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:01:49,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:01:49,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:01:49,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:01:49,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:01:49,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:01:49,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:01:49,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:01:49,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:01:49,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:01:49,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:01:49,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:01:49,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:01:49,597 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:01:49,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:01:49,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:01:49,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:01:49,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:01:49,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:01:49,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:01:49,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:01:49,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:01:49,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:01:49,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:01:49,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:01:49,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:01:49,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:01:49,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:01:49,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:01:49,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:01:49,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:01:49,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:01:49,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:01:49,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:01:49,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:01:49,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:01:49,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:01:49,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:01:49,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:01:49,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:01:49,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:01:49,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:01:49,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:01:49,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e [2024-11-09 12:01:49,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:01:49,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:01:49,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:01:49,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:01:49,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:01:49,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-11-09 12:01:51,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:01:51,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:01:51,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-11-09 12:01:51,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db5487b4c/5bb2613422aa480ba013697204c21145/FLAG9ace1db6f [2024-11-09 12:01:51,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db5487b4c/5bb2613422aa480ba013697204c21145 [2024-11-09 12:01:51,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:01:51,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:01:51,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:01:51,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:01:51,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:01:51,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200af74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51, skipping insertion in model container [2024-11-09 12:01:51,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:01:51,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:01:51,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:01:51,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:01:51,828 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:01:51,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51 WrapperNode [2024-11-09 12:01:51,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:01:51,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:01:51,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:01:51,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:01:51,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,860 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-09 12:01:51,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:01:51,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:01:51,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:01:51,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:01:51,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,894 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:01:51,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:01:51,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:01:51,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:01:51,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:01:51,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (1/1) ... [2024-11-09 12:01:51,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:01:51,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:51,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:01:51,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:01:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:01:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:01:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:01:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:01:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:01:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:01:52,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:01:52,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:01:52,323 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-09 12:01:52,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:01:52,341 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:01:52,342 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:01:52,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:52 BoogieIcfgContainer [2024-11-09 12:01:52,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:01:52,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:01:52,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:01:52,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:01:52,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:01:51" (1/3) ... [2024-11-09 12:01:52,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3256c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:01:52, skipping insertion in model container [2024-11-09 12:01:52,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51" (2/3) ... [2024-11-09 12:01:52,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3256c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:01:52, skipping insertion in model container [2024-11-09 12:01:52,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:52" (3/3) ... [2024-11-09 12:01:52,350 INFO L112 eAbstractionObserver]: Analyzing ICFG prodbin-ll_unwindbound50.c [2024-11-09 12:01:52,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:01:52,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-09 12:01:52,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:01:52,443 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;@50fa4aca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:01:52,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-09 12:01:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:01:52,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:52,458 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:01:52,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:52,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:52,469 INFO L85 PathProgramCache]: Analyzing trace with hash 889510409, now seen corresponding path program 1 times [2024-11-09 12:01:52,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:52,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058638536] [2024-11-09 12:01:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:52,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:52,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058638536] [2024-11-09 12:01:52,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058638536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:52,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:52,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:01:52,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440590383] [2024-11-09 12:01:52,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:52,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:01:52,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:52,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:01:52,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:01:52,690 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:01:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:52,721 INFO L93 Difference]: Finished difference Result 108 states and 121 transitions. [2024-11-09 12:01:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:01:52,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:01:52,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:52,731 INFO L225 Difference]: With dead ends: 108 [2024-11-09 12:01:52,732 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 12:01:52,737 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 [2024-11-09 12:01:52,741 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:52,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 12:01:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 12:01:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 46 states have internal predecessors, (49), 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) [2024-11-09 12:01:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-11-09 12:01:52,787 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 6 [2024-11-09 12:01:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:52,788 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-11-09 12:01:52,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:01:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-11-09 12:01:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:01:52,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:52,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:01:52,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:01:52,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:52,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:01:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861070697] [2024-11-09 12:01:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:52,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:52,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:52,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861070697] [2024-11-09 12:01:52,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861070697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:52,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:52,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:01:52,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587861880] [2024-11-09 12:01:52,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:52,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:52,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:52,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:52,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:52,893 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:01:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:52,953 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2024-11-09 12:01:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:52,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:01:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:52,957 INFO L225 Difference]: With dead ends: 49 [2024-11-09 12:01:52,958 INFO L226 Difference]: Without dead ends: 48 [2024-11-09 12:01:52,959 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 [2024-11-09 12:01:52,960 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 47 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:52,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 87 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:52,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-09 12:01:52,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-09 12:01:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 45 states have internal predecessors, (48), 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) [2024-11-09 12:01:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2024-11-09 12:01:52,973 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 6 [2024-11-09 12:01:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:52,973 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2024-11-09 12:01:52,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:01:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2024-11-09 12:01:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:01:52,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:52,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:52,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:01:52,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:52,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:52,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:01:52,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:52,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807563567] [2024-11-09 12:01:52,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:52,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:53,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:53,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807563567] [2024-11-09 12:01:53,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807563567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:53,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:53,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:01:53,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653855607] [2024-11-09 12:01:53,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:53,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:53,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:53,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:53,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:53,085 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-09 12:01:53,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:53,135 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2024-11-09 12:01:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:53,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-09 12:01:53,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:53,137 INFO L225 Difference]: With dead ends: 57 [2024-11-09 12:01:53,137 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 12:01:53,138 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 [2024-11-09 12:01:53,139 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:53,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 132 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 12:01:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 12:01:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 49 states have internal predecessors, (52), 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) [2024-11-09 12:01:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-09 12:01:53,155 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 7 [2024-11-09 12:01:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:53,155 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-09 12:01:53,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-09 12:01:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-09 12:01:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:01:53,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:53,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:53,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:01:53,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:53,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:53,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:01:53,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:53,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614113928] [2024-11-09 12:01:53,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:53,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143978204] [2024-11-09 12:01:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:53,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:53,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:53,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:01:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:53,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:01:53,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:53,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:53,557 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:53,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:53,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614113928] [2024-11-09 12:01:53,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:53,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143978204] [2024-11-09 12:01:53,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143978204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:53,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:53,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:01:53,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004879837] [2024-11-09 12:01:53,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:53,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:01:53,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:01:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:53,564 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-09 12:01:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:53,755 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2024-11-09 12:01:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:01:53,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-09 12:01:53,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:53,758 INFO L225 Difference]: With dead ends: 75 [2024-11-09 12:01:53,759 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 12:01:53,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:01:53,760 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 77 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:53,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 59 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 12:01:53,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-09 12:01:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 60 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2024-11-09 12:01:53,775 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 9 [2024-11-09 12:01:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:53,775 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2024-11-09 12:01:53,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-09 12:01:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-11-09 12:01:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 12:01:53,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:53,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:53,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:53,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:53,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:53,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:53,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1988380403, now seen corresponding path program 1 times [2024-11-09 12:01:53,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:53,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275530793] [2024-11-09 12:01:53,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:53,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:54,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210826552] [2024-11-09 12:01:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:54,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:54,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:54,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:54,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:01:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:54,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:01:54,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:54,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:54,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:54,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275530793] [2024-11-09 12:01:54,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:54,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210826552] [2024-11-09 12:01:54,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210826552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:54,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:54,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:01:54,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89522102] [2024-11-09 12:01:54,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:54,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:01:54,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:54,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:01:54,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:54,175 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-11-09 12:01:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:54,376 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2024-11-09 12:01:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:54,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-11-09 12:01:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:54,377 INFO L225 Difference]: With dead ends: 67 [2024-11-09 12:01:54,377 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 12:01:54,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:01:54,378 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:54,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 63 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:54,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 12:01:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 12:01:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 57 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2024-11-09 12:01:54,393 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 10 [2024-11-09 12:01:54,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:54,394 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2024-11-09 12:01:54,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-11-09 12:01:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-11-09 12:01:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:01:54,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:54,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:54,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:54,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:54,598 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:54,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:54,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1510250290, now seen corresponding path program 1 times [2024-11-09 12:01:54,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:54,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480228264] [2024-11-09 12:01:54,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:54,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:54,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:54,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480228264] [2024-11-09 12:01:54,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480228264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:54,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:54,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:54,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142426029] [2024-11-09 12:01:54,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:54,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:54,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:54,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:54,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:54,694 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-09 12:01:54,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:54,848 INFO L93 Difference]: Finished difference Result 88 states and 100 transitions. [2024-11-09 12:01:54,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:54,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 12:01:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:54,849 INFO L225 Difference]: With dead ends: 88 [2024-11-09 12:01:54,850 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 12:01:54,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:54,851 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:54,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 76 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:01:54,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 12:01:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2024-11-09 12:01:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 73 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2024-11-09 12:01:54,869 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 11 [2024-11-09 12:01:54,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:54,869 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2024-11-09 12:01:54,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-09 12:01:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2024-11-09 12:01:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:01:54,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:54,870 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:54,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:01:54,870 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:54,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:54,871 INFO L85 PathProgramCache]: Analyzing trace with hash 426881327, now seen corresponding path program 1 times [2024-11-09 12:01:54,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:54,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177304942] [2024-11-09 12:01:54,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:54,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:54,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177304942] [2024-11-09 12:01:54,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177304942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:54,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:54,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:54,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877893392] [2024-11-09 12:01:54,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:54,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:54,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:54,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:54,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:54,990 INFO L87 Difference]: Start difference. First operand 78 states and 94 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-09 12:01:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:55,389 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2024-11-09 12:01:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:55,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-09 12:01:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:55,390 INFO L225 Difference]: With dead ends: 88 [2024-11-09 12:01:55,390 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 12:01:55,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:55,391 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 18 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:55,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 79 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 12:01:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2024-11-09 12:01:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 73 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions. [2024-11-09 12:01:55,401 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 12 [2024-11-09 12:01:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:55,401 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 92 transitions. [2024-11-09 12:01:55,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-09 12:01:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2024-11-09 12:01:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 12:01:55,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:55,402 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:55,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:01:55,403 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:55,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:55,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1925400231, now seen corresponding path program 1 times [2024-11-09 12:01:55,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:55,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458399097] [2024-11-09 12:01:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:55,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:55,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:55,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458399097] [2024-11-09 12:01:55,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458399097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:55,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:55,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644057159] [2024-11-09 12:01:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:55,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:55,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:55,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:55,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:55,524 INFO L87 Difference]: Start difference. First operand 78 states and 92 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-09 12:01:55,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:55,577 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2024-11-09 12:01:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:55,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 22 [2024-11-09 12:01:55,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:55,579 INFO L225 Difference]: With dead ends: 79 [2024-11-09 12:01:55,579 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 12:01:55,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:55,580 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 56 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:55,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 59 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:55,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 12:01:55,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 12:01:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 73 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2024-11-09 12:01:55,608 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 22 [2024-11-09 12:01:55,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:55,609 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2024-11-09 12:01:55,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-09 12:01:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-11-09 12:01:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 12:01:55,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:55,610 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:55,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:01:55,611 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:55,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash 442135061, now seen corresponding path program 1 times [2024-11-09 12:01:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:55,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358967082] [2024-11-09 12:01:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:55,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:55,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:55,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:55,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358967082] [2024-11-09 12:01:55,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358967082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:55,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:55,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:55,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002554643] [2024-11-09 12:01:55,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:55,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:55,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:55,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:55,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:55,750 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-09 12:01:55,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:55,812 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2024-11-09 12:01:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:55,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 23 [2024-11-09 12:01:55,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:55,814 INFO L225 Difference]: With dead ends: 79 [2024-11-09 12:01:55,814 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 12:01:55,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:55,815 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 54 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:55,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 60 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 12:01:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 12:01:55,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 73 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2024-11-09 12:01:55,824 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 23 [2024-11-09 12:01:55,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:55,825 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2024-11-09 12:01:55,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-09 12:01:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2024-11-09 12:01:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 12:01:55,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:55,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:55,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:01:55,827 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:55,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash 821593916, now seen corresponding path program 1 times [2024-11-09 12:01:55,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:55,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751438352] [2024-11-09 12:01:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:55,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:55,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751438352] [2024-11-09 12:01:55,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751438352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:55,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:55,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:55,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175332245] [2024-11-09 12:01:55,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:55,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:55,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:55,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:55,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:55,906 INFO L87 Difference]: Start difference. First operand 78 states and 90 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, (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) [2024-11-09 12:01:56,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:56,013 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2024-11-09 12:01:56,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:56,013 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, (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 24 [2024-11-09 12:01:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:56,014 INFO L225 Difference]: With dead ends: 82 [2024-11-09 12:01:56,014 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 12:01:56,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:56,015 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 65 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:56,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 47 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:01:56,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 12:01:56,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-11-09 12:01:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 72 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2024-11-09 12:01:56,027 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 24 [2024-11-09 12:01:56,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:56,027 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2024-11-09 12:01:56,028 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, (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) [2024-11-09 12:01:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2024-11-09 12:01:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 12:01:56,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:56,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:56,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:01:56,029 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:56,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash -300392287, now seen corresponding path program 1 times [2024-11-09 12:01:56,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:56,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677902923] [2024-11-09 12:01:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:56,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:56,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:56,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677902923] [2024-11-09 12:01:56,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677902923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:56,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:56,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:01:56,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093627478] [2024-11-09 12:01:56,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:56,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:01:56,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:56,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:01:56,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:56,157 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-09 12:01:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:56,205 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2024-11-09 12:01:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:56,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 25 [2024-11-09 12:01:56,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:56,206 INFO L225 Difference]: With dead ends: 77 [2024-11-09 12:01:56,206 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 12:01:56,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:01:56,207 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 42 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:56,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 38 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 12:01:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2024-11-09 12:01:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.305084745762712) internal successors, (77), 68 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2024-11-09 12:01:56,215 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 25 [2024-11-09 12:01:56,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:56,215 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2024-11-09 12:01:56,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-09 12:01:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2024-11-09 12:01:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 12:01:56,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:56,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:56,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 12:01:56,217 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:56,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1019015072, now seen corresponding path program 1 times [2024-11-09 12:01:56,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:56,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068859750] [2024-11-09 12:01:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:56,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:56,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:56,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068859750] [2024-11-09 12:01:56,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068859750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:56,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:56,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:56,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400931170] [2024-11-09 12:01:56,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:56,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:56,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:56,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:56,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:56,268 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 12:01:56,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:56,349 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-09 12:01:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:56,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 26 [2024-11-09 12:01:56,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:56,351 INFO L225 Difference]: With dead ends: 78 [2024-11-09 12:01:56,351 INFO L226 Difference]: Without dead ends: 77 [2024-11-09 12:01:56,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:56,352 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 54 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:56,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 53 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:01:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-09 12:01:56,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-11-09 12:01:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 71 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2024-11-09 12:01:56,361 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 26 [2024-11-09 12:01:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:56,361 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2024-11-09 12:01:56,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 12:01:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2024-11-09 12:01:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 12:01:56,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:56,363 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:56,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 12:01:56,363 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:56,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:56,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1524696071, now seen corresponding path program 1 times [2024-11-09 12:01:56,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:56,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90912878] [2024-11-09 12:01:56,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:56,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:56,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:56,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90912878] [2024-11-09 12:01:56,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90912878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:56,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:56,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:56,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175847088] [2024-11-09 12:01:56,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:56,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:56,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:56,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:56,411 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-09 12:01:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:56,455 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2024-11-09 12:01:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:56,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 27 [2024-11-09 12:01:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:56,456 INFO L225 Difference]: With dead ends: 78 [2024-11-09 12:01:56,456 INFO L226 Difference]: Without dead ends: 77 [2024-11-09 12:01:56,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:56,457 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 52 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:56,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 54 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:56,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-09 12:01:56,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-09 12:01:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 72 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2024-11-09 12:01:56,462 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 27 [2024-11-09 12:01:56,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:56,462 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2024-11-09 12:01:56,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-09 12:01:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2024-11-09 12:01:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:01:56,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:56,463 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:56,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 12:01:56,463 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:56,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:56,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1725266605, now seen corresponding path program 1 times [2024-11-09 12:01:56,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:56,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306337664] [2024-11-09 12:01:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:56,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:56,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:56,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306337664] [2024-11-09 12:01:56,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306337664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:56,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469782603] [2024-11-09 12:01:56,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:56,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:56,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:01:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:01:56,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:56,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:56,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469782603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:56,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:56,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:01:56,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759332554] [2024-11-09 12:01:56,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:56,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:01:56,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:56,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:01:56,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:01:56,653 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-09 12:01:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:56,690 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2024-11-09 12:01:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:56,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 28 [2024-11-09 12:01:56,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:56,691 INFO L225 Difference]: With dead ends: 77 [2024-11-09 12:01:56,691 INFO L226 Difference]: Without dead ends: 76 [2024-11-09 12:01:56,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:01:56,692 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 21 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:56,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 100 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:01:56,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-09 12:01:56,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-09 12:01:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 63 states have (on average 1.253968253968254) internal successors, (79), 71 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2024-11-09 12:01:56,697 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 28 [2024-11-09 12:01:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:56,698 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2024-11-09 12:01:56,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-09 12:01:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2024-11-09 12:01:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:01:56,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:56,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:56,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:56,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:56,899 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:56,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:56,900 INFO L85 PathProgramCache]: Analyzing trace with hash -20937854, now seen corresponding path program 1 times [2024-11-09 12:01:56,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:56,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538110977] [2024-11-09 12:01:56,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:01:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:56,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:56,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538110977] [2024-11-09 12:01:56,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538110977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:56,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:56,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:01:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373844908] [2024-11-09 12:01:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:56,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:01:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:01:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:56,976 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-09 12:01:57,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:57,082 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2024-11-09 12:01:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:57,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 28 [2024-11-09 12:01:57,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:57,083 INFO L225 Difference]: With dead ends: 82 [2024-11-09 12:01:57,084 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 12:01:57,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:57,085 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 47 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:57,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 41 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:01:57,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 12:01:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2024-11-09 12:01:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 70 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2024-11-09 12:01:57,090 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 28 [2024-11-09 12:01:57,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:57,091 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-09 12:01:57,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-09 12:01:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-11-09 12:01:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:01:57,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:57,092 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:57,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 12:01:57,092 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:57,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash 123832847, now seen corresponding path program 1 times [2024-11-09 12:01:57,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:57,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048368398] [2024-11-09 12:01:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:57,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:57,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128067243] [2024-11-09 12:01:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:57,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:57,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:57,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:01:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:57,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:01:57,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:57,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:58,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:58,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048368398] [2024-11-09 12:01:58,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:58,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128067243] [2024-11-09 12:01:58,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128067243] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:58,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:58,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2024-11-09 12:01:58,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281388272] [2024-11-09 12:01:58,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:58,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:58,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:58,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:58,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:01:58,485 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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) [2024-11-09 12:01:58,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:58,899 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2024-11-09 12:01:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:58,899 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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 30 [2024-11-09 12:01:58,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:58,900 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:01:58,900 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 12:01:58,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:58,901 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 105 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:58,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 48 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:58,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 12:01:58,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-09 12:01:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 79 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:01:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2024-11-09 12:01:58,913 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 30 [2024-11-09 12:01:58,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:58,913 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2024-11-09 12:01:58,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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) [2024-11-09 12:01:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2024-11-09 12:01:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:01:58,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:58,915 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:01:58,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:01:59,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 12:01:59,117 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:01:59,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:59,117 INFO L85 PathProgramCache]: Analyzing trace with hash -456148982, now seen corresponding path program 1 times [2024-11-09 12:01:59,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:59,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868204700] [2024-11-09 12:01:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:59,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:59,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378770352] [2024-11-09 12:01:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:59,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:59,132 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:59,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:01:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:59,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:01:59,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:59,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:59,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:59,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868204700] [2024-11-09 12:01:59,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:59,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378770352] [2024-11-09 12:01:59,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378770352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:59,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:59,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:01:59,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022019466] [2024-11-09 12:01:59,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:59,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:01:59,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:59,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:01:59,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:01:59,665 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 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) [2024-11-09 12:02:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:00,250 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2024-11-09 12:02:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:02:00,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 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 31 [2024-11-09 12:02:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:00,251 INFO L225 Difference]: With dead ends: 91 [2024-11-09 12:02:00,251 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 12:02:00,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:02:00,252 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:00,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 104 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:02:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 12:02:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2024-11-09 12:02:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 78 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:02:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-11-09 12:02:00,263 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 31 [2024-11-09 12:02:00,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:00,263 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-11-09 12:02:00,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 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) [2024-11-09 12:02:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-11-09 12:02:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 12:02:00,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:00,264 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:00,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 12:02:00,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:02:00,465 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:00,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1026603477, now seen corresponding path program 1 times [2024-11-09 12:02:00,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:00,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450661807] [2024-11-09 12:02:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:00,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:02:00,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452106627] [2024-11-09 12:02:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:00,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:00,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:02:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:00,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 12:02:00,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:01,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:10,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:10,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450661807] [2024-11-09 12:02:10,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:02:10,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452106627] [2024-11-09 12:02:10,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452106627] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:10,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:02:10,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-09 12:02:10,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434724228] [2024-11-09 12:02:10,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:02:10,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:02:10,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:10,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:02:10,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:02:10,360 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 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) [2024-11-09 12:02:11,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:11,417 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2024-11-09 12:02:11,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:02:11,417 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 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 34 [2024-11-09 12:02:11,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:11,418 INFO L225 Difference]: With dead ends: 83 [2024-11-09 12:02:11,418 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 12:02:11,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:02:11,419 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:11,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:02:11,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 12:02:11,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 73. [2024-11-09 12:02:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 68 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:02:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2024-11-09 12:02:11,431 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 34 [2024-11-09 12:02:11,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:11,431 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2024-11-09 12:02:11,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 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) [2024-11-09 12:02:11,432 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2024-11-09 12:02:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:02:11,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:11,433 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:02:11,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 12:02:11,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:02:11,634 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:11,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:11,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1759936772, now seen corresponding path program 1 times [2024-11-09 12:02:11,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:11,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045398478] [2024-11-09 12:02:11,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:11,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:02:11,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604280015] [2024-11-09 12:02:11,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:11,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:11,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:11,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:11,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:02:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:11,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:02:11,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:12,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:13,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:13,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045398478] [2024-11-09 12:02:13,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:02:13,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604280015] [2024-11-09 12:02:13,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604280015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:02:13,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:02:13,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-09 12:02:13,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319666972] [2024-11-09 12:02:13,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:02:13,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 12:02:13,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:13,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 12:02:13,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:02:13,697 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand has 14 states, 13 states have (on average 4.615384615384615) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:19,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:19,620 INFO L93 Difference]: Finished difference Result 106 states and 123 transitions. [2024-11-09 12:02:19,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 12:02:19,620 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.615384615384615) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2024-11-09 12:02:19,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:19,621 INFO L225 Difference]: With dead ends: 106 [2024-11-09 12:02:19,621 INFO L226 Difference]: Without dead ends: 104 [2024-11-09 12:02:19,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:02:19,622 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 80 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:19,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 116 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 12:02:19,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-09 12:02:19,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 91. [2024-11-09 12:02:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.2) internal successors, (96), 85 states have internal predecessors, (96), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2024-11-09 12:02:19,631 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 35 [2024-11-09 12:02:19,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:19,631 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2024-11-09 12:02:19,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.615384615384615) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2024-11-09 12:02:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:02:19,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:19,632 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:19,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:02:19,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:19,833 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:19,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:19,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1276534857, now seen corresponding path program 1 times [2024-11-09 12:02:19,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:19,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157622397] [2024-11-09 12:02:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:02:19,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090802059] [2024-11-09 12:02:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:19,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:19,881 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:19,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:02:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:19,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:02:19,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:20,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:23,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:23,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157622397] [2024-11-09 12:02:23,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:02:23,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090802059] [2024-11-09 12:02:23,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090802059] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:23,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:02:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-09 12:02:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264498377] [2024-11-09 12:02:23,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:02:23,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:02:23,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:23,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:02:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:02:23,688 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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) [2024-11-09 12:02:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:28,869 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2024-11-09 12:02:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:02:28,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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 36 [2024-11-09 12:02:28,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:28,870 INFO L225 Difference]: With dead ends: 92 [2024-11-09 12:02:28,871 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 12:02:28,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:02:28,871 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:28,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 109 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 12:02:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 12:02:28,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-09 12:02:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.1875) internal successors, (95), 85 states have internal predecessors, (95), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2024-11-09 12:02:28,881 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 36 [2024-11-09 12:02:28,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:28,881 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2024-11-09 12:02:28,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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) [2024-11-09 12:02:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2024-11-09 12:02:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:02:28,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:28,882 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:28,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 12:02:29,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:29,087 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:29,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash -917874842, now seen corresponding path program 1 times [2024-11-09 12:02:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:29,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369482461] [2024-11-09 12:02:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:29,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:02:29,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991280740] [2024-11-09 12:02:29,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:29,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:29,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:29,109 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:29,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:02:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:29,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:02:29,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:29,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:34,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:34,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369482461] [2024-11-09 12:02:34,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:02:34,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991280740] [2024-11-09 12:02:34,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991280740] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:34,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:02:34,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-09 12:02:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135907067] [2024-11-09 12:02:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:02:34,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:02:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:02:34,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:02:34,232 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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) [2024-11-09 12:02:36,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:02:41,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:02:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:42,155 INFO L93 Difference]: Finished difference Result 92 states and 103 transitions. [2024-11-09 12:02:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:02:42,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 37 [2024-11-09 12:02:42,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:42,155 INFO L225 Difference]: With dead ends: 92 [2024-11-09 12:02:42,156 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 12:02:42,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:02:42,156 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:42,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 111 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 12:02:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 12:02:42,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-09 12:02:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.175) internal successors, (94), 85 states have internal predecessors, (94), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2024-11-09 12:02:42,166 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 37 [2024-11-09 12:02:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:42,167 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2024-11-09 12:02:42,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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) [2024-11-09 12:02:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2024-11-09 12:02:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:02:42,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:42,168 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:02:42,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 12:02:42,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:42,372 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:42,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:42,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1006708247, now seen corresponding path program 1 times [2024-11-09 12:02:42,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:42,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329696120] [2024-11-09 12:02:42,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:42,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:02:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 12:02:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:42,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:42,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329696120] [2024-11-09 12:02:42,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329696120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:42,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009900513] [2024-11-09 12:02:42,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:42,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:42,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:42,456 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:42,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:02:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:42,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:02:42,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:42,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:42,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009900513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:02:42,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:02:42,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 12:02:42,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118483958] [2024-11-09 12:02:42,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:02:42,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:02:42,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:42,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:02:42,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:02:42,621 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:42,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:42,755 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-09 12:02:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:02:42,756 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2024-11-09 12:02:42,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:42,757 INFO L225 Difference]: With dead ends: 243 [2024-11-09 12:02:42,757 INFO L226 Difference]: Without dead ends: 242 [2024-11-09 12:02:42,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:02:42,758 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 291 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:42,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 76 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:02:42,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-09 12:02:42,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-11-09 12:02:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 223 states have (on average 1.15695067264574) internal successors, (258), 228 states have internal predecessors, (258), 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) [2024-11-09 12:02:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 282 transitions. [2024-11-09 12:02:42,782 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 282 transitions. Word has length 43 [2024-11-09 12:02:42,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:42,782 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 282 transitions. [2024-11-09 12:02:42,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:42,783 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 282 transitions. [2024-11-09 12:02:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:02:42,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:42,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:42,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:02:42,984 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,SelfDestructingSolverStorable21 [2024-11-09 12:02:42,984 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:42,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:42,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1006707926, now seen corresponding path program 1 times [2024-11-09 12:02:42,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:42,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830128524] [2024-11-09 12:02:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:42,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:02:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 12:02:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:43,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:43,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830128524] [2024-11-09 12:02:43,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830128524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:02:43,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:02:43,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:02:43,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112705885] [2024-11-09 12:02:43,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:02:43,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:02:43,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:43,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:02:43,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:02:43,074 INFO L87 Difference]: Start difference. First operand 242 states and 282 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:43,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:43,168 INFO L93 Difference]: Finished difference Result 252 states and 298 transitions. [2024-11-09 12:02:43,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:02:43,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-09 12:02:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:43,170 INFO L225 Difference]: With dead ends: 252 [2024-11-09 12:02:43,170 INFO L226 Difference]: Without dead ends: 251 [2024-11-09 12:02:43,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:02:43,171 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 4 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:43,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:02:43,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-09 12:02:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 246. [2024-11-09 12:02:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 227 states have (on average 1.1541850220264318) internal successors, (262), 232 states have internal predecessors, (262), 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) [2024-11-09 12:02:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions. [2024-11-09 12:02:43,193 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 43 [2024-11-09 12:02:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:43,193 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 286 transitions. [2024-11-09 12:02:43,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions. [2024-11-09 12:02:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 12:02:43,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:43,194 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:02:43,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 12:02:43,194 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:43,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:43,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1143174712, now seen corresponding path program 1 times [2024-11-09 12:02:43,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:43,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32120900] [2024-11-09 12:02:43,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:43,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:02:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 12:02:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:43,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32120900] [2024-11-09 12:02:43,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32120900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:02:43,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:02:43,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:02:43,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579917982] [2024-11-09 12:02:43,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:02:43,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:02:43,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:43,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:02:43,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:02:43,255 INFO L87 Difference]: Start difference. First operand 246 states and 286 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:43,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:43,312 INFO L93 Difference]: Finished difference Result 252 states and 294 transitions. [2024-11-09 12:02:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:02:43,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-09 12:02:43,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:43,314 INFO L225 Difference]: With dead ends: 252 [2024-11-09 12:02:43,314 INFO L226 Difference]: Without dead ends: 251 [2024-11-09 12:02:43,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:02:43,315 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 90 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 [2024-11-09 12:02:43,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 90 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:02:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-09 12:02:43,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 250. [2024-11-09 12:02:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 231 states have (on average 1.1515151515151516) internal successors, (266), 236 states have internal predecessors, (266), 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) [2024-11-09 12:02:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 290 transitions. [2024-11-09 12:02:43,335 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 290 transitions. Word has length 44 [2024-11-09 12:02:43,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:43,336 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 290 transitions. [2024-11-09 12:02:43,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 290 transitions. [2024-11-09 12:02:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 12:02:43,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:43,337 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:02:43,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 12:02:43,337 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:43,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:43,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1742715184, now seen corresponding path program 1 times [2024-11-09 12:02:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:43,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603660218] [2024-11-09 12:02:43,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:02:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 12:02:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:43,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:43,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603660218] [2024-11-09 12:02:43,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603660218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:43,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705708092] [2024-11-09 12:02:43,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:43,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:43,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:43,422 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:43,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:02:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:43,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:02:43,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:43,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:43,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705708092] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:02:43,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:02:43,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 12:02:43,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60386839] [2024-11-09 12:02:43,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:02:43,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 12:02:43,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 12:02:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-09 12:02:43,674 INFO L87 Difference]: Start difference. First operand 250 states and 290 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 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) [2024-11-09 12:02:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:43,922 INFO L93 Difference]: Finished difference Result 293 states and 343 transitions. [2024-11-09 12:02:43,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:02:43,923 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 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) Word has length 47 [2024-11-09 12:02:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:43,924 INFO L225 Difference]: With dead ends: 293 [2024-11-09 12:02:43,924 INFO L226 Difference]: Without dead ends: 292 [2024-11-09 12:02:43,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:02:43,925 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 146 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:43,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 148 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:02:43,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-09 12:02:43,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 287. [2024-11-09 12:02:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 266 states have (on average 1.1466165413533835) internal successors, (305), 271 states have internal predecessors, (305), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 12:02:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 333 transitions. [2024-11-09 12:02:43,979 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 333 transitions. Word has length 47 [2024-11-09 12:02:43,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:43,979 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 333 transitions. [2024-11-09 12:02:43,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 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) [2024-11-09 12:02:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 333 transitions. [2024-11-09 12:02:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 12:02:43,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:43,980 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:43,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:02:44,180 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,SelfDestructingSolverStorable24 [2024-11-09 12:02:44,181 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:44,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:44,181 INFO L85 PathProgramCache]: Analyzing trace with hash -55363940, now seen corresponding path program 1 times [2024-11-09 12:02:44,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:44,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025787270] [2024-11-09 12:02:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:44,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:02:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 12:02:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:44,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:44,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025787270] [2024-11-09 12:02:44,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025787270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:44,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060105900] [2024-11-09 12:02:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:44,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:44,253 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:44,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:02:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:02:44,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:44,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060105900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:02:44,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:02:44,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 12:02:44,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124410330] [2024-11-09 12:02:44,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:02:44,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:02:44,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:02:44,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:02:44,407 INFO L87 Difference]: Start difference. First operand 287 states and 333 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:44,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:44,526 INFO L93 Difference]: Finished difference Result 292 states and 339 transitions. [2024-11-09 12:02:44,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:02:44,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2024-11-09 12:02:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:44,528 INFO L225 Difference]: With dead ends: 292 [2024-11-09 12:02:44,528 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 12:02:44,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:02:44,529 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 250 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:44,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 77 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:02:44,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 12:02:44,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 277. [2024-11-09 12:02:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 258 states have (on average 1.127906976744186) internal successors, (291), 263 states have internal predecessors, (291), 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) [2024-11-09 12:02:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 315 transitions. [2024-11-09 12:02:44,553 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 315 transitions. Word has length 48 [2024-11-09 12:02:44,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:44,553 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 315 transitions. [2024-11-09 12:02:44,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:02:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 315 transitions. [2024-11-09 12:02:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 12:02:44,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:44,554 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:02:44,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:02:44,758 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,SelfDestructingSolverStorable25 [2024-11-09 12:02:44,759 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:44,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:44,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1810404222, now seen corresponding path program 1 times [2024-11-09 12:02:44,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:44,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213024008] [2024-11-09 12:02:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:44,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:02:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 12:02:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:44,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213024008] [2024-11-09 12:02:44,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213024008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:02:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528902521] [2024-11-09 12:02:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:44,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:44,846 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:44,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:02:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:44,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:02:44,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:45,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:02:45,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528902521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:02:45,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:02:45,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 12:02:45,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434892227] [2024-11-09 12:02:45,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:02:45,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 12:02:45,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:45,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 12:02:45,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-09 12:02:45,088 INFO L87 Difference]: Start difference. First operand 277 states and 315 transitions. Second operand has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 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) [2024-11-09 12:02:45,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:45,261 INFO L93 Difference]: Finished difference Result 282 states and 320 transitions. [2024-11-09 12:02:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:02:45,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 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) Word has length 48 [2024-11-09 12:02:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:45,263 INFO L225 Difference]: With dead ends: 282 [2024-11-09 12:02:45,263 INFO L226 Difference]: Without dead ends: 281 [2024-11-09 12:02:45,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:02:45,265 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 146 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:45,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 142 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:02:45,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-09 12:02:45,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 272. [2024-11-09 12:02:45,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 253 states have (on average 1.1185770750988142) internal successors, (283), 258 states have internal predecessors, (283), 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) [2024-11-09 12:02:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 307 transitions. [2024-11-09 12:02:45,295 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 307 transitions. Word has length 48 [2024-11-09 12:02:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:45,312 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 307 transitions. [2024-11-09 12:02:45,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 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) [2024-11-09 12:02:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 307 transitions. [2024-11-09 12:02:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 12:02:45,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:45,313 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:45,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:02:45,513 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,SelfDestructingSolverStorable26 [2024-11-09 12:02:45,513 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 12:02:45,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:45,514 INFO L85 PathProgramCache]: Analyzing trace with hash -317870552, now seen corresponding path program 1 times [2024-11-09 12:02:45,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:45,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646447338] [2024-11-09 12:02:45,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:02:45,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254898239] [2024-11-09 12:02:45,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:45,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:45,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:45,534 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:45,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:02:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:45,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 12:02:45,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 12:02:46,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 12:03:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646447338] [2024-11-09 12:03:21,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:03:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254898239] [2024-11-09 12:03:21,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254898239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:21,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:03:21,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2024-11-09 12:03:21,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591522313] [2024-11-09 12:03:21,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:21,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 12:03:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:21,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 12:03:21,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:03:21,370 INFO L87 Difference]: Start difference. First operand 272 states and 307 transitions. Second operand has 27 states, 26 states have (on average 3.8076923076923075) internal successors, (99), 26 states have internal predecessors, (99), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:03:24,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:03:25,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []