./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e66935135411fbf96808f67125d08daf2aa12325c87064d554338ba4e7860b02 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:34:52,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:34:52,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:34:52,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:34:52,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:34:52,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:34:52,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:34:52,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:34:52,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:34:52,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:34:52,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:34:52,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:34:52,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:34:52,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:34:52,378 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:34:52,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:34:52,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:34:52,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:34:52,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:34:52,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:34:52,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:34:52,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:34:52,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:34:52,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:34:52,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:34:52,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:34:52,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:34:52,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:34:52,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:34:52,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:34:52,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:34:52,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:34:52,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:34:52,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:34:52,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:34:52,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:34:52,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:34:52,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:34:52,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:34:52,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:34:52,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:34:52,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:34:52,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:34:52,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:34:52,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66935135411fbf96808f67125d08daf2aa12325c87064d554338ba4e7860b02 [2024-10-24 20:34:52,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:34:52,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:34:52,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:34:52,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:34:52,670 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:34:52,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c [2024-10-24 20:34:54,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:34:54,282 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:34:54,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c [2024-10-24 20:34:54,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a71e987e/f91a848a936c4fd09a45a8a910ff3b4d/FLAGfec87bca9 [2024-10-24 20:34:54,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a71e987e/f91a848a936c4fd09a45a8a910ff3b4d [2024-10-24 20:34:54,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:34:54,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:34:54,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:34:54,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:34:54,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:34:54,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be02a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54, skipping insertion in model container [2024-10-24 20:34:54,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:34:54,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:34:54,864 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:34:54,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:34:54,895 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:34:54,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54 WrapperNode [2024-10-24 20:34:54,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:34:54,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:34:54,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:34:54,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:34:54,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,932 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-10-24 20:34:54,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:34:54,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:34:54,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:34:54,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:34:54,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,961 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:34:54,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:34:54,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:34:54,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:34:54,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:34:54,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (1/1) ... [2024-10-24 20:34:54,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:34:54,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:34:55,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:34:55,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:34:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:34:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:34:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:34:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:34:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:34:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:34:55,130 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:34:55,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:34:55,605 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-10-24 20:34:55,606 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:34:55,653 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:34:55,654 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:34:55,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:34:55 BoogieIcfgContainer [2024-10-24 20:34:55,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:34:55,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:34:55,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:34:55,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:34:55,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:34:54" (1/3) ... [2024-10-24 20:34:55,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b203220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:34:55, skipping insertion in model container [2024-10-24 20:34:55,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:34:54" (2/3) ... [2024-10-24 20:34:55,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b203220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:34:55, skipping insertion in model container [2024-10-24 20:34:55,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:34:55" (3/3) ... [2024-10-24 20:34:55,664 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound5.c [2024-10-24 20:34:55,680 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:34:55,681 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-10-24 20:34:55,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:34:55,758 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;@42e63dc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:34:55,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-10-24 20:34:55,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 96 states have (on average 1.9479166666666667) internal successors, (187), 182 states have internal predecessors, (187), 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) [2024-10-24 20:34:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:34:55,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:55,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:34:55,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:55,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:55,774 INFO L85 PathProgramCache]: Analyzing trace with hash 238429960, now seen corresponding path program 1 times [2024-10-24 20:34:55,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:55,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210882802] [2024-10-24 20:34:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:55,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:55,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210882802] [2024-10-24 20:34:55,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210882802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:55,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:55,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:34:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113112827] [2024-10-24 20:34:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:55,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:34:55,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:55,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:34:55,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:34:55,920 INFO L87 Difference]: Start difference. First operand has 187 states, 96 states have (on average 1.9479166666666667) internal successors, (187), 182 states have internal predecessors, (187), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:55,968 INFO L93 Difference]: Finished difference Result 359 states and 386 transitions. [2024-10-24 20:34:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:34:55,971 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:34:55,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:55,982 INFO L225 Difference]: With dead ends: 359 [2024-10-24 20:34:55,983 INFO L226 Difference]: Without dead ends: 171 [2024-10-24 20:34:55,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:34:55,989 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:55,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:34:56,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-24 20:34:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-24 20:34:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 95 states have (on average 1.7789473684210526) internal successors, (169), 167 states have internal predecessors, (169), 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) [2024-10-24 20:34:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-10-24 20:34:56,031 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 5 [2024-10-24 20:34:56,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:56,031 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-10-24 20:34:56,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-10-24 20:34:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:34:56,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:56,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:34:56,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:34:56,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:56,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:56,046 INFO L85 PathProgramCache]: Analyzing trace with hash 238486053, now seen corresponding path program 1 times [2024-10-24 20:34:56,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:56,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182783180] [2024-10-24 20:34:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:56,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:56,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:56,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182783180] [2024-10-24 20:34:56,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182783180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:56,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:56,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:34:56,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332066138] [2024-10-24 20:34:56,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:56,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:34:56,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:56,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:34:56,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:34:56,198 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:56,254 INFO L93 Difference]: Finished difference Result 252 states and 254 transitions. [2024-10-24 20:34:56,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:34:56,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:34:56,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:56,256 INFO L225 Difference]: With dead ends: 252 [2024-10-24 20:34:56,257 INFO L226 Difference]: Without dead ends: 175 [2024-10-24 20:34:56,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:34:56,258 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 4 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:56,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 500 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:34:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-24 20:34:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-10-24 20:34:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 99 states have (on average 1.7474747474747474) internal successors, (173), 171 states have internal predecessors, (173), 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) [2024-10-24 20:34:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-10-24 20:34:56,279 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 5 [2024-10-24 20:34:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:56,279 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-10-24 20:34:56,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-10-24 20:34:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 20:34:56,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:56,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:56,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:34:56,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:56,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:56,285 INFO L85 PathProgramCache]: Analyzing trace with hash 862145165, now seen corresponding path program 1 times [2024-10-24 20:34:56,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:56,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179706495] [2024-10-24 20:34:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:56,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:56,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179706495] [2024-10-24 20:34:56,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179706495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:56,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:56,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:34:56,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411998001] [2024-10-24 20:34:56,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:56,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:34:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:56,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:34:56,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:34:56,337 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:56,736 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-10-24 20:34:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:34:56,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-24 20:34:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:56,739 INFO L225 Difference]: With dead ends: 311 [2024-10-24 20:34:56,739 INFO L226 Difference]: Without dead ends: 255 [2024-10-24 20:34:56,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:34:56,741 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:56,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 124 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:34:56,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-24 20:34:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-10-24 20:34:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 172 states have (on average 1.5116279069767442) internal successors, (260), 244 states have internal predecessors, (260), 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) [2024-10-24 20:34:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-10-24 20:34:56,759 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 8 [2024-10-24 20:34:56,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:56,759 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-10-24 20:34:56,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,760 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-10-24 20:34:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 20:34:56,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:56,761 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:56,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:34:56,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:56,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:56,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1590441751, now seen corresponding path program 1 times [2024-10-24 20:34:56,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:56,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108576025] [2024-10-24 20:34:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:56,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:56,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108576025] [2024-10-24 20:34:56,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108576025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:56,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:56,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:34:56,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270294929] [2024-10-24 20:34:56,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:56,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:34:56,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:56,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:34:56,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:34:56,871 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:56,951 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-10-24 20:34:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:34:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2024-10-24 20:34:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:56,953 INFO L225 Difference]: With dead ends: 268 [2024-10-24 20:34:56,954 INFO L226 Difference]: Without dead ends: 263 [2024-10-24 20:34:56,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:34:56,956 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:56,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 293 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:34:56,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-24 20:34:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-10-24 20:34:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 251 states have internal predecessors, (267), 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) [2024-10-24 20:34:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-10-24 20:34:56,979 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 36 [2024-10-24 20:34:56,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:56,979 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-10-24 20:34:56,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:56,980 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-10-24 20:34:56,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 20:34:56,980 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:56,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:56,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:34:56,981 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:56,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 593838283, now seen corresponding path program 1 times [2024-10-24 20:34:56,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:56,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336512946] [2024-10-24 20:34:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:57,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:57,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336512946] [2024-10-24 20:34:57,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336512946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:57,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:57,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:34:57,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518464428] [2024-10-24 20:34:57,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:57,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:34:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:57,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:34:57,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:34:57,111 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:57,506 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-10-24 20:34:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:34:57,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2024-10-24 20:34:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:57,509 INFO L225 Difference]: With dead ends: 267 [2024-10-24 20:34:57,509 INFO L226 Difference]: Without dead ends: 262 [2024-10-24 20:34:57,509 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 [2024-10-24 20:34:57,510 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:57,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 251 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:34:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-24 20:34:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-10-24 20:34:57,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4636871508379887) internal successors, (262), 251 states have internal predecessors, (262), 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) [2024-10-24 20:34:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-10-24 20:34:57,526 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 38 [2024-10-24 20:34:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:57,526 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-10-24 20:34:57,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-10-24 20:34:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:34:57,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:57,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:57,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:34:57,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:57,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:57,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1229117706, now seen corresponding path program 1 times [2024-10-24 20:34:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:57,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60993142] [2024-10-24 20:34:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:57,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:57,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60993142] [2024-10-24 20:34:57,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60993142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:57,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:57,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:34:57,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114374140] [2024-10-24 20:34:57,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:57,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:34:57,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:57,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:34:57,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:34:57,620 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:57,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:57,788 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-10-24 20:34:57,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:34:57,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2024-10-24 20:34:57,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:57,789 INFO L225 Difference]: With dead ends: 266 [2024-10-24 20:34:57,789 INFO L226 Difference]: Without dead ends: 228 [2024-10-24 20:34:57,790 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 [2024-10-24 20:34:57,791 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 128 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:57,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 243 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:34:57,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-24 20:34:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-10-24 20:34:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 145 states have (on average 1.5448275862068965) internal successors, (224), 217 states have internal predecessors, (224), 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) [2024-10-24 20:34:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-10-24 20:34:57,810 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 39 [2024-10-24 20:34:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:57,811 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-10-24 20:34:57,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:34:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-10-24 20:34:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-24 20:34:57,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:57,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:57,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:34:57,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:57,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:57,817 INFO L85 PathProgramCache]: Analyzing trace with hash -396838182, now seen corresponding path program 1 times [2024-10-24 20:34:57,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:57,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29488056] [2024-10-24 20:34:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:57,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:57,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:34:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:57,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:57,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:57,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29488056] [2024-10-24 20:34:57,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29488056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:57,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:57,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:34:57,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766287070] [2024-10-24 20:34:57,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:57,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:34:57,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:34:57,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:34:57,918 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:34:57,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:57,935 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-10-24 20:34:57,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:34:57,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 48 [2024-10-24 20:34:57,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:57,937 INFO L225 Difference]: With dead ends: 224 [2024-10-24 20:34:57,937 INFO L226 Difference]: Without dead ends: 222 [2024-10-24 20:34:57,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:34:57,938 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:57,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 334 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:34:57,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-24 20:34:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-10-24 20:34:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 145 states have (on average 1.5310344827586206) internal successors, (222), 217 states have internal predecessors, (222), 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) [2024-10-24 20:34:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-10-24 20:34:57,945 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 48 [2024-10-24 20:34:57,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:57,947 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-10-24 20:34:57,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:34:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-10-24 20:34:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 20:34:57,949 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:57,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:57,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 20:34:57,950 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:57,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1870693805, now seen corresponding path program 1 times [2024-10-24 20:34:57,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:57,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593106629] [2024-10-24 20:34:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:57,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:34:57,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298326989] [2024-10-24 20:34:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:57,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:34:57,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:34:57,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:34:57,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:34:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:58,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:34:58,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:34:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:58,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:34:58,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:58,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593106629] [2024-10-24 20:34:58,144 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:34:58,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298326989] [2024-10-24 20:34:58,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298326989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:58,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:58,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:34:58,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401985104] [2024-10-24 20:34:58,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:58,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:34:58,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:58,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:34:58,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:34:58,147 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:34:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:34:58,522 INFO L93 Difference]: Finished difference Result 366 states and 383 transitions. [2024-10-24 20:34:58,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:34:58,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 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 53 [2024-10-24 20:34:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:34:58,528 INFO L225 Difference]: With dead ends: 366 [2024-10-24 20:34:58,528 INFO L226 Difference]: Without dead ends: 312 [2024-10-24 20:34:58,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:34:58,529 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 96 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:34:58,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 152 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:34:58,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-24 20:34:58,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2024-10-24 20:34:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 225 states have (on average 1.4177777777777778) internal successors, (319), 297 states have internal predecessors, (319), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:34:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 329 transitions. [2024-10-24 20:34:58,542 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 329 transitions. Word has length 53 [2024-10-24 20:34:58,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:34:58,542 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 329 transitions. [2024-10-24 20:34:58,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:34:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 329 transitions. [2024-10-24 20:34:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 20:34:58,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:34:58,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:34:58,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 20:34:58,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:34:58,746 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:34:58,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:34:58,746 INFO L85 PathProgramCache]: Analyzing trace with hash 614294739, now seen corresponding path program 1 times [2024-10-24 20:34:58,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:34:58,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604730262] [2024-10-24 20:34:58,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:34:58,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:34:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:34:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:34:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:34:58,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:34:58,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604730262] [2024-10-24 20:34:58,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604730262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:34:58,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:34:58,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:34:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23290362] [2024-10-24 20:34:58,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:34:58,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:34:58,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:34:58,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:34:58,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:34:58,837 INFO L87 Difference]: Start difference. First operand 304 states and 329 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:02,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:03,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:03,096 INFO L93 Difference]: Finished difference Result 305 states and 329 transitions. [2024-10-24 20:35:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:35:03,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 59 [2024-10-24 20:35:03,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:03,098 INFO L225 Difference]: With dead ends: 305 [2024-10-24 20:35:03,099 INFO L226 Difference]: Without dead ends: 304 [2024-10-24 20:35:03,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:35:03,100 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 42 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:03,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 298 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 20:35:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-24 20:35:03,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-24 20:35:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 225 states have (on average 1.4133333333333333) internal successors, (318), 297 states have internal predecessors, (318), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:35:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-10-24 20:35:03,109 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 59 [2024-10-24 20:35:03,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:03,109 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-10-24 20:35:03,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-10-24 20:35:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 20:35:03,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:03,110 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:03,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 20:35:03,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:03,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:03,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1926726037, now seen corresponding path program 1 times [2024-10-24 20:35:03,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:03,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560988229] [2024-10-24 20:35:03,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:03,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:35:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:03,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560988229] [2024-10-24 20:35:03,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560988229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:35:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552473599] [2024-10-24 20:35:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:03,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:03,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:03,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:35:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:03,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:35:03,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:03,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:35:03,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552473599] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:35:03,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:35:03,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-24 20:35:03,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910259360] [2024-10-24 20:35:03,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:35:03,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:35:03,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:03,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:35:03,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:35:03,462 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:03,490 INFO L93 Difference]: Finished difference Result 304 states and 328 transitions. [2024-10-24 20:35:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:35:03,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 61 [2024-10-24 20:35:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:03,492 INFO L225 Difference]: With dead ends: 304 [2024-10-24 20:35:03,492 INFO L226 Difference]: Without dead ends: 303 [2024-10-24 20:35:03,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:35:03,494 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 119 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:03,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 495 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:35:03,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-24 20:35:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2024-10-24 20:35:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 225 states have (on average 1.4044444444444444) internal successors, (316), 296 states have internal predecessors, (316), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:35:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 326 transitions. [2024-10-24 20:35:03,506 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 326 transitions. Word has length 61 [2024-10-24 20:35:03,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:03,507 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 326 transitions. [2024-10-24 20:35:03,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 326 transitions. [2024-10-24 20:35:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 20:35:03,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:03,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:03,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:35:03,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 20:35:03,714 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:03,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:03,714 INFO L85 PathProgramCache]: Analyzing trace with hash -401034949, now seen corresponding path program 1 times [2024-10-24 20:35:03,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:03,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741096307] [2024-10-24 20:35:03,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:03,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:35:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:03,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:03,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741096307] [2024-10-24 20:35:03,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741096307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:35:03,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33545758] [2024-10-24 20:35:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:03,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:03,839 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:03,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:35:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:03,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:35:03,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:04,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:35:04,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33545758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:35:04,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:35:04,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-24 20:35:04,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586746287] [2024-10-24 20:35:04,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:35:04,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:35:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:35:04,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:35:04,008 INFO L87 Difference]: Start difference. First operand 303 states and 326 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:04,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:04,060 INFO L93 Difference]: Finished difference Result 415 states and 445 transitions. [2024-10-24 20:35:04,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:35:04,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 62 [2024-10-24 20:35:04,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:04,062 INFO L225 Difference]: With dead ends: 415 [2024-10-24 20:35:04,062 INFO L226 Difference]: Without dead ends: 414 [2024-10-24 20:35:04,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:35:04,063 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 117 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:04,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 778 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:35:04,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-24 20:35:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 376. [2024-10-24 20:35:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 296 states have (on average 1.4189189189189189) internal successors, (420), 368 states have internal predecessors, (420), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:35:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 434 transitions. [2024-10-24 20:35:04,074 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 434 transitions. Word has length 62 [2024-10-24 20:35:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:04,075 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 434 transitions. [2024-10-24 20:35:04,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 434 transitions. [2024-10-24 20:35:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 20:35:04,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:04,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:04,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:35:04,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:04,277 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:04,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:04,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2065179616, now seen corresponding path program 1 times [2024-10-24 20:35:04,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:04,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416712648] [2024-10-24 20:35:04,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:04,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:35:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:04,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416712648] [2024-10-24 20:35:04,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416712648] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:35:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037672525] [2024-10-24 20:35:04,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:04,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:04,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:04,407 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:04,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:35:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:04,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:35:04,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:04,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:35:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:04,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037672525] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:35:04,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:35:04,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-24 20:35:04,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116592093] [2024-10-24 20:35:04,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:35:04,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:35:04,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:04,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:35:04,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:35:04,706 INFO L87 Difference]: Start difference. First operand 376 states and 434 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:35:04,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:04,843 INFO L93 Difference]: Finished difference Result 661 states and 704 transitions. [2024-10-24 20:35:04,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:35:04,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 92 [2024-10-24 20:35:04,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:04,847 INFO L225 Difference]: With dead ends: 661 [2024-10-24 20:35:04,848 INFO L226 Difference]: Without dead ends: 549 [2024-10-24 20:35:04,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:35:04,850 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 307 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:04,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1331 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:35:04,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-10-24 20:35:04,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 452. [2024-10-24 20:35:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 368 states have (on average 1.5217391304347827) internal successors, (560), 440 states have internal predecessors, (560), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:35:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 576 transitions. [2024-10-24 20:35:04,866 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 576 transitions. Word has length 92 [2024-10-24 20:35:04,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:04,867 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 576 transitions. [2024-10-24 20:35:04,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:35:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 576 transitions. [2024-10-24 20:35:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 20:35:04,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:04,870 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:04,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:35:05,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:05,070 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:05,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash 761224057, now seen corresponding path program 1 times [2024-10-24 20:35:05,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:05,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658911468] [2024-10-24 20:35:05,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:35:05,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766048952] [2024-10-24 20:35:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:05,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:05,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:05,092 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:05,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:35:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:05,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:35:05,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 20:35:05,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:35:05,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:05,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658911468] [2024-10-24 20:35:05,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:35:05,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766048952] [2024-10-24 20:35:05,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766048952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:35:05,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:35:05,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:35:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150769711] [2024-10-24 20:35:05,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:35:05,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:35:05,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:05,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:35:05,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:35:05,297 INFO L87 Difference]: Start difference. First operand 452 states and 576 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:05,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:05,352 INFO L93 Difference]: Finished difference Result 452 states and 576 transitions. [2024-10-24 20:35:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:35:05,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 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 92 [2024-10-24 20:35:05,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:05,356 INFO L225 Difference]: With dead ends: 452 [2024-10-24 20:35:05,358 INFO L226 Difference]: Without dead ends: 449 [2024-10-24 20:35:05,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:35:05,359 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 96 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:05,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 148 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:35:05,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-24 20:35:05,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2024-10-24 20:35:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 368 states have (on average 1.4945652173913044) internal successors, (550), 437 states have internal predecessors, (550), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:35:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 566 transitions. [2024-10-24 20:35:05,377 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 566 transitions. Word has length 92 [2024-10-24 20:35:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:05,378 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 566 transitions. [2024-10-24 20:35:05,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 566 transitions. [2024-10-24 20:35:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 20:35:05,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:05,379 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:05,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 20:35:05,583 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,SelfDestructingSolverStorable12 [2024-10-24 20:35:05,584 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:05,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:05,584 INFO L85 PathProgramCache]: Analyzing trace with hash 2123109400, now seen corresponding path program 1 times [2024-10-24 20:35:05,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:05,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177528264] [2024-10-24 20:35:05,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:05,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:35:05,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67113379] [2024-10-24 20:35:05,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:05,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:05,606 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:05,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:35:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:05,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:35:05,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:05,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:35:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:06,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:06,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177528264] [2024-10-24 20:35:06,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:35:06,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67113379] [2024-10-24 20:35:06,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67113379] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:35:06,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:35:06,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-24 20:35:06,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838855533] [2024-10-24 20:35:06,129 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:35:06,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:35:06,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:06,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:35:06,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:35:06,131 INFO L87 Difference]: Start difference. First operand 449 states and 566 transitions. Second operand has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 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) [2024-10-24 20:35:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:06,940 INFO L93 Difference]: Finished difference Result 506 states and 566 transitions. [2024-10-24 20:35:06,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:35:06,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 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 93 [2024-10-24 20:35:06,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:06,943 INFO L225 Difference]: With dead ends: 506 [2024-10-24 20:35:06,943 INFO L226 Difference]: Without dead ends: 499 [2024-10-24 20:35:06,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:35:06,944 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 324 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:06,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 347 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:35:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-24 20:35:06,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 449. [2024-10-24 20:35:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 368 states have (on average 1.4673913043478262) internal successors, (540), 437 states have internal predecessors, (540), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:35:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 556 transitions. [2024-10-24 20:35:06,960 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 556 transitions. Word has length 93 [2024-10-24 20:35:06,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:06,960 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 556 transitions. [2024-10-24 20:35:06,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 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) [2024-10-24 20:35:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 556 transitions. [2024-10-24 20:35:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 20:35:06,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:06,961 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:06,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:35:07,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:07,163 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:07,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:07,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1391882075, now seen corresponding path program 1 times [2024-10-24 20:35:07,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:07,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423436509] [2024-10-24 20:35:07,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:07,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:35:07,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159438583] [2024-10-24 20:35:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:07,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:07,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:07,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:35:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:07,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:35:07,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:07,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:35:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:09,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423436509] [2024-10-24 20:35:09,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:35:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159438583] [2024-10-24 20:35:09,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159438583] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 20:35:09,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:35:09,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-10-24 20:35:09,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415353168] [2024-10-24 20:35:09,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:35:09,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:35:09,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:09,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:35:09,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:35:09,033 INFO L87 Difference]: Start difference. First operand 449 states and 556 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:13,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:17,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:20,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:22,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:25,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:29,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:31,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:34,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:38,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:42,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:45,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:49,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:51,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:54,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:58,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:35:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:35:58,825 INFO L93 Difference]: Finished difference Result 449 states and 556 transitions. [2024-10-24 20:35:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:35:58,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 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 94 [2024-10-24 20:35:58,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:35:58,827 INFO L225 Difference]: With dead ends: 449 [2024-10-24 20:35:58,827 INFO L226 Difference]: Without dead ends: 447 [2024-10-24 20:35:58,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:35:58,828 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 220 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 13 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:35:58,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 48 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 364 Invalid, 7 Unknown, 0 Unchecked, 49.7s Time] [2024-10-24 20:35:58,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-24 20:35:58,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-10-24 20:35:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 368 states have (on average 1.4483695652173914) internal successors, (533), 435 states have internal predecessors, (533), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:35:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 549 transitions. [2024-10-24 20:35:58,849 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 549 transitions. Word has length 94 [2024-10-24 20:35:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:35:58,850 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 549 transitions. [2024-10-24 20:35:58,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:35:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 549 transitions. [2024-10-24 20:35:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 20:35:58,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:35:58,851 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:35:58,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:35:59,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:59,056 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:35:59,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:35:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash 198671482, now seen corresponding path program 1 times [2024-10-24 20:35:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:35:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829488605] [2024-10-24 20:35:59,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:59,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:35:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:35:59,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139739148] [2024-10-24 20:35:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:35:59,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:35:59,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:35:59,095 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:35:59,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:35:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:35:59,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:35:59,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:35:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:35:59,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:35:59,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:35:59,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829488605] [2024-10-24 20:35:59,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:35:59,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139739148] [2024-10-24 20:35:59,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139739148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:35:59,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:35:59,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:35:59,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39269959] [2024-10-24 20:35:59,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:35:59,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:35:59,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:35:59,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:35:59,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:35:59,320 INFO L87 Difference]: Start difference. First operand 447 states and 549 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:36:00,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:00,261 INFO L93 Difference]: Finished difference Result 450 states and 549 transitions. [2024-10-24 20:36:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:36:00,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 95 [2024-10-24 20:36:00,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:00,263 INFO L225 Difference]: With dead ends: 450 [2024-10-24 20:36:00,263 INFO L226 Difference]: Without dead ends: 430 [2024-10-24 20:36:00,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:36:00,264 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 135 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:00,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 53 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:36:00,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-24 20:36:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-10-24 20:36:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 368 states have (on average 1.3070652173913044) internal successors, (481), 418 states have internal predecessors, (481), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:36:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 497 transitions. [2024-10-24 20:36:00,280 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 497 transitions. Word has length 95 [2024-10-24 20:36:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:00,280 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 497 transitions. [2024-10-24 20:36:00,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:36:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 497 transitions. [2024-10-24 20:36:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 20:36:00,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:00,281 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:36:00,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:36:00,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:36:00,482 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:00,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:00,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1863848765, now seen corresponding path program 1 times [2024-10-24 20:36:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:00,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632183113] [2024-10-24 20:36:00,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:00,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:00,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [15551359] [2024-10-24 20:36:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:00,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:00,503 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:00,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:36:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:00,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:36:00,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:36:00,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-24 20:36:01,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:01,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632183113] [2024-10-24 20:36:01,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:36:01,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15551359] [2024-10-24 20:36:01,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15551359] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 20:36:01,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:36:01,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-24 20:36:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112584891] [2024-10-24 20:36:01,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:36:01,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:36:01,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:01,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:36:01,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:36:01,096 INFO L87 Difference]: Start difference. First operand 430 states and 497 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:36:04,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:36:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:05,500 INFO L93 Difference]: Finished difference Result 430 states and 497 transitions. [2024-10-24 20:36:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:36:05,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 96 [2024-10-24 20:36:05,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:05,502 INFO L225 Difference]: With dead ends: 430 [2024-10-24 20:36:05,503 INFO L226 Difference]: Without dead ends: 428 [2024-10-24 20:36:05,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:36:05,503 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 83 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:05,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 43 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-10-24 20:36:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-24 20:36:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-10-24 20:36:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 368 states have (on average 1.2880434782608696) internal successors, (474), 416 states have internal predecessors, (474), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:36:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 490 transitions. [2024-10-24 20:36:05,521 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 490 transitions. Word has length 96 [2024-10-24 20:36:05,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:05,521 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 490 transitions. [2024-10-24 20:36:05,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:36:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 490 transitions. [2024-10-24 20:36:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 20:36:05,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:05,522 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:36:05,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:36:05,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:36:05,727 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:05,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1869411690, now seen corresponding path program 1 times [2024-10-24 20:36:05,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:05,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589098625] [2024-10-24 20:36:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:05,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:36:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:36:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:05,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:05,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589098625] [2024-10-24 20:36:05,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589098625] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:36:05,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713311494] [2024-10-24 20:36:05,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:05,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:05,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:05,833 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:05,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:36:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:05,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:36:05,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:06,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:36:06,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713311494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:36:06,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:36:06,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 20:36:06,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700975027] [2024-10-24 20:36:06,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:36:06,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:36:06,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:36:06,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:36:06,009 INFO L87 Difference]: Start difference. First operand 428 states and 490 transitions. Second operand has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-10-24 20:36:06,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:06,042 INFO L93 Difference]: Finished difference Result 449 states and 496 transitions. [2024-10-24 20:36:06,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:36:06,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 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 104 [2024-10-24 20:36:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:06,044 INFO L225 Difference]: With dead ends: 449 [2024-10-24 20:36:06,044 INFO L226 Difference]: Without dead ends: 448 [2024-10-24 20:36:06,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:36:06,045 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:06,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 393 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:36:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-24 20:36:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 427. [2024-10-24 20:36:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 368 states have (on average 1.2798913043478262) internal successors, (471), 415 states have internal predecessors, (471), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:36:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 487 transitions. [2024-10-24 20:36:06,065 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 487 transitions. Word has length 104 [2024-10-24 20:36:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:06,065 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 487 transitions. [2024-10-24 20:36:06,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-10-24 20:36:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 487 transitions. [2024-10-24 20:36:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 20:36:06,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:06,067 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:36:06,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 20:36:06,267 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,SelfDestructingSolverStorable17 [2024-10-24 20:36:06,268 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:06,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:06,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2117187673, now seen corresponding path program 1 times [2024-10-24 20:36:06,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:06,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501632765] [2024-10-24 20:36:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:06,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:36:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:36:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:06,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:06,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501632765] [2024-10-24 20:36:06,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501632765] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:36:06,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052048170] [2024-10-24 20:36:06,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:06,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:06,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:06,359 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:06,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:36:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:06,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:36:06,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:06,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:06,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052048170] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:36:06,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:36:06,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 20:36:06,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303379307] [2024-10-24 20:36:06,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:36:06,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:36:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:06,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:36:06,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:36:06,663 INFO L87 Difference]: Start difference. First operand 427 states and 487 transitions. Second operand has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 7 states have internal predecessors, (233), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:36:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:06,715 INFO L93 Difference]: Finished difference Result 507 states and 546 transitions. [2024-10-24 20:36:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:36:06,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 7 states have internal predecessors, (233), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 105 [2024-10-24 20:36:06,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:06,717 INFO L225 Difference]: With dead ends: 507 [2024-10-24 20:36:06,718 INFO L226 Difference]: Without dead ends: 506 [2024-10-24 20:36:06,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:36:06,718 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 51 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:06,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 548 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:36:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-10-24 20:36:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 465. [2024-10-24 20:36:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 405 states have (on average 1.2962962962962963) internal successors, (525), 452 states have internal predecessors, (525), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:36:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 543 transitions. [2024-10-24 20:36:06,736 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 543 transitions. Word has length 105 [2024-10-24 20:36:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:06,737 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 543 transitions. [2024-10-24 20:36:06,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 7 states have internal predecessors, (233), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:36:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 543 transitions. [2024-10-24 20:36:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 20:36:06,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:06,738 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 20:36:06,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 20:36:06,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:06,939 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:06,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:06,940 INFO L85 PathProgramCache]: Analyzing trace with hash -6393939, now seen corresponding path program 1 times [2024-10-24 20:36:06,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:06,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442974997] [2024-10-24 20:36:06,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:06,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:36:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:36:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 20:36:07,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:07,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442974997] [2024-10-24 20:36:07,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442974997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:36:07,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:36:07,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:36:07,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574583905] [2024-10-24 20:36:07,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:36:07,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:36:07,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:07,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:36:07,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:36:07,025 INFO L87 Difference]: Start difference. First operand 465 states and 543 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-10-24 20:36:07,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:07,297 INFO L93 Difference]: Finished difference Result 465 states and 543 transitions. [2024-10-24 20:36:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:36:07,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 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 120 [2024-10-24 20:36:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:07,299 INFO L225 Difference]: With dead ends: 465 [2024-10-24 20:36:07,299 INFO L226 Difference]: Without dead ends: 458 [2024-10-24 20:36:07,300 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 [2024-10-24 20:36:07,300 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 80 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:07,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 37 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:36:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-24 20:36:07,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-10-24 20:36:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 405 states have (on average 1.2469135802469136) internal successors, (505), 445 states have internal predecessors, (505), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:36:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 523 transitions. [2024-10-24 20:36:07,317 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 523 transitions. Word has length 120 [2024-10-24 20:36:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:07,318 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 523 transitions. [2024-10-24 20:36:07,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-10-24 20:36:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 523 transitions. [2024-10-24 20:36:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 20:36:07,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:07,320 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 20:36:07,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 20:36:07,321 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:07,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:07,322 INFO L85 PathProgramCache]: Analyzing trace with hash -198212052, now seen corresponding path program 1 times [2024-10-24 20:36:07,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:07,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559517193] [2024-10-24 20:36:07,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:07,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:36:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:36:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-24 20:36:07,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559517193] [2024-10-24 20:36:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559517193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:36:07,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:36:07,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:36:07,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203835264] [2024-10-24 20:36:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:36:07,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:36:07,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:07,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:36:07,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:36:07,392 INFO L87 Difference]: Start difference. First operand 458 states and 523 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-10-24 20:36:07,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:07,621 INFO L93 Difference]: Finished difference Result 458 states and 523 transitions. [2024-10-24 20:36:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:36:07,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 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 121 [2024-10-24 20:36:07,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:07,623 INFO L225 Difference]: With dead ends: 458 [2024-10-24 20:36:07,624 INFO L226 Difference]: Without dead ends: 456 [2024-10-24 20:36:07,624 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 [2024-10-24 20:36:07,624 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 63 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:07,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 37 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:36:07,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-10-24 20:36:07,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-10-24 20:36:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 405 states have (on average 1.237037037037037) internal successors, (501), 443 states have internal predecessors, (501), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:36:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 519 transitions. [2024-10-24 20:36:07,642 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 519 transitions. Word has length 121 [2024-10-24 20:36:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:07,642 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 519 transitions. [2024-10-24 20:36:07,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-10-24 20:36:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 519 transitions. [2024-10-24 20:36:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 20:36:07,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:07,643 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 20:36:07,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 20:36:07,644 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:07,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:07,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1503219058, now seen corresponding path program 1 times [2024-10-24 20:36:07,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:07,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058741915] [2024-10-24 20:36:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:07,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:07,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1862962235] [2024-10-24 20:36:07,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:07,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:07,672 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:07,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:36:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:07,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:36:07,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:07,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:36:08,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:08,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058741915] [2024-10-24 20:36:08,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:36:08,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862962235] [2024-10-24 20:36:08,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862962235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:36:08,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:36:08,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-24 20:36:08,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638296683] [2024-10-24 20:36:08,070 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:36:08,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:36:08,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:08,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:36:08,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:36:08,072 INFO L87 Difference]: Start difference. First operand 456 states and 519 transitions. Second operand has 8 states, 7 states have (on average 32.42857142857143) internal successors, (227), 8 states have internal predecessors, (227), 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) [2024-10-24 20:36:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:08,673 INFO L93 Difference]: Finished difference Result 482 states and 525 transitions. [2024-10-24 20:36:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:36:08,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.42857142857143) internal successors, (227), 8 states have internal predecessors, (227), 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 123 [2024-10-24 20:36:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:08,675 INFO L225 Difference]: With dead ends: 482 [2024-10-24 20:36:08,675 INFO L226 Difference]: Without dead ends: 452 [2024-10-24 20:36:08,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:36:08,676 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 383 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:08,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 176 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:36:08,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-10-24 20:36:08,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2024-10-24 20:36:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 401 states have (on average 1.1596009975062345) internal successors, (465), 436 states have internal predecessors, (465), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:36:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 483 transitions. [2024-10-24 20:36:08,695 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 483 transitions. Word has length 123 [2024-10-24 20:36:08,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:08,696 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 483 transitions. [2024-10-24 20:36:08,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.42857142857143) internal successors, (227), 8 states have internal predecessors, (227), 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) [2024-10-24 20:36:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 483 transitions. [2024-10-24 20:36:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 20:36:08,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:08,697 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:36:08,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 20:36:08,897 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,SelfDestructingSolverStorable21 [2024-10-24 20:36:08,899 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:08,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash 639891216, now seen corresponding path program 1 times [2024-10-24 20:36:08,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:08,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888192321] [2024-10-24 20:36:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:08,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:08,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622457878] [2024-10-24 20:36:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:08,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:08,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:08,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:08,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:36:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:08,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:36:08,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:36:09,386 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:09,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:09,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888192321] [2024-10-24 20:36:09,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:36:09,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622457878] [2024-10-24 20:36:09,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622457878] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:36:09,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:36:09,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-24 20:36:09,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550407257] [2024-10-24 20:36:09,646 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:36:09,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:36:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:09,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:36:09,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:36:09,648 INFO L87 Difference]: Start difference. First operand 448 states and 483 transitions. Second operand has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:36:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:09,915 INFO L93 Difference]: Finished difference Result 450 states and 486 transitions. [2024-10-24 20:36:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:36:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 143 [2024-10-24 20:36:09,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:09,917 INFO L225 Difference]: With dead ends: 450 [2024-10-24 20:36:09,917 INFO L226 Difference]: Without dead ends: 436 [2024-10-24 20:36:09,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:36:09,918 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:09,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 55 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:36:09,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-24 20:36:09,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2024-10-24 20:36:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 401 states have (on average 1.0922693266832917) internal successors, (438), 422 states have internal predecessors, (438), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:36:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 456 transitions. [2024-10-24 20:36:09,935 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 456 transitions. Word has length 143 [2024-10-24 20:36:09,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:09,936 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 456 transitions. [2024-10-24 20:36:09,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:36:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 456 transitions. [2024-10-24 20:36:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-24 20:36:09,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:09,937 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:36:09,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-24 20:36:10,138 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,SelfDestructingSolverStorable22 [2024-10-24 20:36:10,139 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:10,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:10,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1638208557, now seen corresponding path program 1 times [2024-10-24 20:36:10,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:10,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486588327] [2024-10-24 20:36:10,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:10,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:10,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954265870] [2024-10-24 20:36:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:10,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:10,164 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:10,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:36:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:10,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:36:10,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:36:10,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:11,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:11,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486588327] [2024-10-24 20:36:11,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:36:11,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954265870] [2024-10-24 20:36:11,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954265870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:36:11,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:36:11,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-24 20:36:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349123036] [2024-10-24 20:36:11,111 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:36:11,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:36:11,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:36:11,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:36:11,113 INFO L87 Difference]: Start difference. First operand 434 states and 456 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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) [2024-10-24 20:36:11,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:11,435 INFO L93 Difference]: Finished difference Result 437 states and 458 transitions. [2024-10-24 20:36:11,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:36:11,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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) Word has length 144 [2024-10-24 20:36:11,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:11,439 INFO L225 Difference]: With dead ends: 437 [2024-10-24 20:36:11,439 INFO L226 Difference]: Without dead ends: 399 [2024-10-24 20:36:11,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:36:11,440 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:11,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 111 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:36:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-10-24 20:36:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-10-24 20:36:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 367 states have (on average 1.098092643051771) internal successors, (403), 387 states have internal predecessors, (403), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:36:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 419 transitions. [2024-10-24 20:36:11,457 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 419 transitions. Word has length 144 [2024-10-24 20:36:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:11,457 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 419 transitions. [2024-10-24 20:36:11,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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) [2024-10-24 20:36:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 419 transitions. [2024-10-24 20:36:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-24 20:36:11,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:11,459 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 20:36:11,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:36:11,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:11,664 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:11,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash 378820335, now seen corresponding path program 1 times [2024-10-24 20:36:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:11,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111819831] [2024-10-24 20:36:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:11,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889503191] [2024-10-24 20:36:11,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:11,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:11,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:11,700 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:11,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:36:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:11,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:36:11,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:36:11,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:11,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:11,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111819831] [2024-10-24 20:36:11,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:36:11,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889503191] [2024-10-24 20:36:11,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889503191] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:36:11,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:36:11,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-24 20:36:11,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662898453] [2024-10-24 20:36:11,991 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:36:11,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:36:11,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:11,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:36:11,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:36:11,994 INFO L87 Difference]: Start difference. First operand 399 states and 419 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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) [2024-10-24 20:36:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:12,410 INFO L93 Difference]: Finished difference Result 444 states and 465 transitions. [2024-10-24 20:36:12,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:36:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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) Word has length 167 [2024-10-24 20:36:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:12,413 INFO L225 Difference]: With dead ends: 444 [2024-10-24 20:36:12,413 INFO L226 Difference]: Without dead ends: 441 [2024-10-24 20:36:12,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:36:12,414 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 120 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:12,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 101 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:36:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-24 20:36:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 399. [2024-10-24 20:36:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 367 states have (on average 1.0899182561307903) internal successors, (400), 387 states have internal predecessors, (400), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:36:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 416 transitions. [2024-10-24 20:36:12,432 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 416 transitions. Word has length 167 [2024-10-24 20:36:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:12,433 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 416 transitions. [2024-10-24 20:36:12,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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) [2024-10-24 20:36:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 416 transitions. [2024-10-24 20:36:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-24 20:36:12,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:12,434 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 20:36:12,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:36:12,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:12,642 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:12,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1025873583, now seen corresponding path program 1 times [2024-10-24 20:36:12,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466211142] [2024-10-24 20:36:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:12,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:12,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278504072] [2024-10-24 20:36:12,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:12,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:12,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:12,670 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:12,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:36:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:12,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:36:12,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:36:12,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:36:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:36:13,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466211142] [2024-10-24 20:36:13,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:36:13,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278504072] [2024-10-24 20:36:13,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278504072] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:36:13,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:36:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:36:13,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325421845] [2024-10-24 20:36:13,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:36:13,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:36:13,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:36:13,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:36:13,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:36:13,242 INFO L87 Difference]: Start difference. First operand 399 states and 416 transitions. Second operand has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 10 states have internal predecessors, (309), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:36:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:36:13,817 INFO L93 Difference]: Finished difference Result 473 states and 498 transitions. [2024-10-24 20:36:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:36:13,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 10 states have internal predecessors, (309), 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 169 [2024-10-24 20:36:13,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:36:13,819 INFO L225 Difference]: With dead ends: 473 [2024-10-24 20:36:13,820 INFO L226 Difference]: Without dead ends: 461 [2024-10-24 20:36:13,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:36:13,820 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 631 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:36:13,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 251 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:36:13,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-10-24 20:36:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 409. [2024-10-24 20:36:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 385 states have (on average 1.0467532467532468) internal successors, (403), 397 states have internal predecessors, (403), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:36:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 419 transitions. [2024-10-24 20:36:13,837 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 419 transitions. Word has length 169 [2024-10-24 20:36:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:36:13,837 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 419 transitions. [2024-10-24 20:36:13,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 10 states have internal predecessors, (309), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:36:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 419 transitions. [2024-10-24 20:36:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 20:36:13,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:36:13,839 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-24 20:36:13,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-24 20:36:14,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-24 20:36:14,043 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-24 20:36:14,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:36:14,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1977969587, now seen corresponding path program 1 times [2024-10-24 20:36:14,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:36:14,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969458493] [2024-10-24 20:36:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:36:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:36:14,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489121930] [2024-10-24 20:36:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:36:14,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:36:14,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:36:14,067 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:36:14,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:36:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:36:14,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 20:36:14,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:36:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 156 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 20:36:14,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:36:22,466 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false