./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/hard-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/hard-ll_unwindbound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:40:27,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:40:27,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:40:27,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:40:27,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:40:27,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:40:27,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:40:27,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:40:27,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:40:27,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:40:27,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:40:27,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:40:27,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:40:27,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:40:27,600 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:40:27,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:40:27,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:40:27,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:40:27,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:40:27,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:40:27,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:40:27,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:40:27,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:40:27,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:40:27,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:40:27,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:40:27,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:40:27,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:40:27,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:40:27,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:40:27,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:40:27,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:40:27,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:40:27,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:40:27,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:40:27,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:40:27,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:40:27,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:40:27,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:40:27,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:40:27,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:40:27,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:40:27,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:40:27,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:40:27,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 [2024-10-13 13:40:27,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:40:27,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:40:27,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:40:27,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:40:27,889 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:40:27,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2024-10-13 13:40:29,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:40:29,509 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:40:29,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2024-10-13 13:40:29,519 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/debf2ee21/61670b91c2924bb98b55ab48e4e8fd5f/FLAG2d995af10 [2024-10-13 13:40:29,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/debf2ee21/61670b91c2924bb98b55ab48e4e8fd5f [2024-10-13 13:40:29,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:40:29,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:40:29,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:40:29,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:40:29,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:40:29,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ad30b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29, skipping insertion in model container [2024-10-13 13:40:29,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:40:29,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:40:29,759 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:40:29,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:40:29,797 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:40:29,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29 WrapperNode [2024-10-13 13:40:29,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:40:29,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:40:29,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:40:29,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:40:29,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,834 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-13 13:40:29,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:40:29,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:40:29,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:40:29,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:40:29,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,870 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]. [2024-10-13 13:40:29,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:40:29,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:40:29,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:40:29,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:40:29,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (1/1) ... [2024-10-13 13:40:29,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:40:29,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:29,919 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) [2024-10-13 13:40:29,921 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 [2024-10-13 13:40:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:40:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:40:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:40:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:40:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:40:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:40:30,008 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:40:30,011 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:40:30,393 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-10-13 13:40:30,393 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:40:30,427 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:40:30,428 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 13:40:30,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:40:30 BoogieIcfgContainer [2024-10-13 13:40:30,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:40:30,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:40:30,432 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:40:30,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:40:30,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:40:29" (1/3) ... [2024-10-13 13:40:30,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306c3cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:40:30, skipping insertion in model container [2024-10-13 13:40:30,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:40:29" (2/3) ... [2024-10-13 13:40:30,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306c3cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:40:30, skipping insertion in model container [2024-10-13 13:40:30,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:40:30" (3/3) ... [2024-10-13 13:40:30,439 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound20.c [2024-10-13 13:40:30,454 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:40:30,455 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-13 13:40:30,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:40:30,530 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;@24754988, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:40:30,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-10-13 13:40:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 42 states have (on average 1.880952380952381) internal successors, (79), 70 states have internal predecessors, (79), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:40:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:40:30,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:30,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:40:30,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:30,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash 163621270, now seen corresponding path program 1 times [2024-10-13 13:40:30,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:30,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56631463] [2024-10-13 13:40:30,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:40:30,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:30,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56631463] [2024-10-13 13:40:30,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56631463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:30,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:30,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:30,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905511100] [2024-10-13 13:40:30,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:30,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:40:30,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:30,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:40:30,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:40:30,713 INFO L87 Difference]: Start difference. First operand has 79 states, 42 states have (on average 1.880952380952381) internal successors, (79), 70 states have internal predecessors, (79), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:40:30,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:30,746 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2024-10-13 13:40:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:40:30,749 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 [2024-10-13 13:40:30,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:30,757 INFO L225 Difference]: With dead ends: 156 [2024-10-13 13:40:30,758 INFO L226 Difference]: Without dead ends: 75 [2024-10-13 13:40:30,761 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 [2024-10-13 13:40:30,765 INFO L432 NwaCegarLoop]: 87 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, 87 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 [2024-10-13 13:40:30,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:30,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-13 13:40:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-10-13 13:40:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 68 states have internal predecessors, (73), 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) [2024-10-13 13:40:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2024-10-13 13:40:30,797 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 5 [2024-10-13 13:40:30,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:30,798 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2024-10-13 13:40:30,798 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) [2024-10-13 13:40:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2024-10-13 13:40:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:40:30,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:30,799 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:40:30,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:40:30,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:30,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:30,800 INFO L85 PathProgramCache]: Analyzing trace with hash 163680852, now seen corresponding path program 1 times [2024-10-13 13:40:30,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:30,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172008219] [2024-10-13 13:40:30,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:30,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:40:30,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:30,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172008219] [2024-10-13 13:40:30,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172008219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:30,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:30,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:30,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415882517] [2024-10-13 13:40:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:30,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:30,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:40:30,913 INFO L87 Difference]: Start difference. First operand 75 states and 83 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) [2024-10-13 13:40:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:30,977 INFO L93 Difference]: Finished difference Result 131 states and 143 transitions. [2024-10-13 13:40:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:30,978 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 [2024-10-13 13:40:30,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:30,980 INFO L225 Difference]: With dead ends: 131 [2024-10-13 13:40:30,980 INFO L226 Difference]: Without dead ends: 79 [2024-10-13 13:40:30,982 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 [2024-10-13 13:40:30,983 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 4 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 228 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 [2024-10-13 13:40:30,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 228 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-13 13:40:30,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-13 13:40:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.711111111111111) internal successors, (77), 72 states have internal predecessors, (77), 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) [2024-10-13 13:40:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2024-10-13 13:40:30,998 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 5 [2024-10-13 13:40:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:30,998 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2024-10-13 13:40:30,998 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) [2024-10-13 13:40:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-10-13 13:40:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:40:30,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:30,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:30,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:40:30,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:31,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:31,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1612836388, now seen corresponding path program 1 times [2024-10-13 13:40:31,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:31,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361934369] [2024-10-13 13:40:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:31,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:31,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079470591] [2024-10-13 13:40:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:31,028 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) [2024-10-13 13:40:31,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:40:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:40:31,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:40:31,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:31,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:31,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361934369] [2024-10-13 13:40:31,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:31,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079470591] [2024-10-13 13:40:31,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079470591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:31,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:31,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:31,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554296288] [2024-10-13 13:40:31,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:31,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:40:31,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:40:31,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:31,126 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:40:31,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:31,209 INFO L93 Difference]: Finished difference Result 172 states and 192 transitions. [2024-10-13 13:40:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:40:31,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-10-13 13:40:31,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:31,211 INFO L225 Difference]: With dead ends: 172 [2024-10-13 13:40:31,212 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 13:40:31,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:31,213 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 33 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:31,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 139 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:31,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 13:40:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-10-13 13:40:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.6666666666666667) internal successors, (105), 90 states have internal predecessors, (105), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:40:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 125 transitions. [2024-10-13 13:40:31,236 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 125 transitions. Word has length 18 [2024-10-13 13:40:31,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:31,238 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 125 transitions. [2024-10-13 13:40:31,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:40:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 125 transitions. [2024-10-13 13:40:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 13:40:31,239 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:31,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:31,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:40:31,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:31,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:31,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:31,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1309924490, now seen corresponding path program 1 times [2024-10-13 13:40:31,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:31,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585974575] [2024-10-13 13:40:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:31,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:31,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585974575] [2024-10-13 13:40:31,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585974575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:31,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:31,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:31,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573799943] [2024-10-13 13:40:31,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:31,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:40:31,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:31,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:40:31,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:31,593 INFO L87 Difference]: Start difference. First operand 102 states and 125 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:31,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:31,698 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2024-10-13 13:40:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:40:31,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-10-13 13:40:31,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:31,701 INFO L225 Difference]: With dead ends: 102 [2024-10-13 13:40:31,703 INFO L226 Difference]: Without dead ends: 100 [2024-10-13 13:40:31,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:31,704 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 48 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:31,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 68 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:31,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-13 13:40:31,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-13 13:40:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 63 states have (on average 1.619047619047619) internal successors, (102), 88 states have internal predecessors, (102), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:40:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2024-10-13 13:40:31,717 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 26 [2024-10-13 13:40:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:31,718 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2024-10-13 13:40:31,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2024-10-13 13:40:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:40:31,719 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:31,719 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:31,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:40:31,720 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:31,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:31,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1952954963, now seen corresponding path program 1 times [2024-10-13 13:40:31,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24029370] [2024-10-13 13:40:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:31,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:31,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:31,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24029370] [2024-10-13 13:40:31,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24029370] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:31,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:31,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:40:31,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015229597] [2024-10-13 13:40:31,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:31,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:40:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:31,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:40:31,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:40:31,898 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:32,010 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-10-13 13:40:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:40:32,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-13 13:40:32,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:32,012 INFO L225 Difference]: With dead ends: 124 [2024-10-13 13:40:32,012 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 13:40:32,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:40:32,013 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 47 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:32,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 401 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 13:40:32,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 104. [2024-10-13 13:40:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 91 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:40:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2024-10-13 13:40:32,022 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 27 [2024-10-13 13:40:32,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:32,022 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2024-10-13 13:40:32,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2024-10-13 13:40:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:40:32,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:32,023 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:32,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:40:32,023 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:32,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:32,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1952953457, now seen corresponding path program 1 times [2024-10-13 13:40:32,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:32,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630491579] [2024-10-13 13:40:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:32,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630491579] [2024-10-13 13:40:32,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630491579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:32,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:32,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:32,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679004299] [2024-10-13 13:40:32,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:32,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:40:32,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:32,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:40:32,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:32,102 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:32,145 INFO L93 Difference]: Finished difference Result 114 states and 131 transitions. [2024-10-13 13:40:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:40:32,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-13 13:40:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:32,147 INFO L225 Difference]: With dead ends: 114 [2024-10-13 13:40:32,147 INFO L226 Difference]: Without dead ends: 113 [2024-10-13 13:40:32,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:32,148 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:32,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 127 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-13 13:40:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2024-10-13 13:40:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 66 states have (on average 1.5606060606060606) internal successors, (103), 91 states have internal predecessors, (103), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:40:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2024-10-13 13:40:32,164 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 27 [2024-10-13 13:40:32,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:32,164 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2024-10-13 13:40:32,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2024-10-13 13:40:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:40:32,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:32,165 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:32,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:40:32,165 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:32,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:32,166 INFO L85 PathProgramCache]: Analyzing trace with hash -412061625, now seen corresponding path program 1 times [2024-10-13 13:40:32,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:32,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903668985] [2024-10-13 13:40:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:32,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:32,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:32,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903668985] [2024-10-13 13:40:32,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903668985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:32,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:32,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:40:32,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252128774] [2024-10-13 13:40:32,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:32,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:40:32,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:32,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:40:32,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:40:32,293 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:32,363 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2024-10-13 13:40:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:40:32,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-10-13 13:40:32,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:32,364 INFO L225 Difference]: With dead ends: 122 [2024-10-13 13:40:32,365 INFO L226 Difference]: Without dead ends: 113 [2024-10-13 13:40:32,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:40:32,365 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:32,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 297 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:32,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-13 13:40:32,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2024-10-13 13:40:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 94 states have internal predecessors, (104), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:40:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2024-10-13 13:40:32,379 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 28 [2024-10-13 13:40:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:32,379 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2024-10-13 13:40:32,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2024-10-13 13:40:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 13:40:32,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:32,380 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:32,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 13:40:32,380 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:32,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:32,381 INFO L85 PathProgramCache]: Analyzing trace with hash -854227543, now seen corresponding path program 1 times [2024-10-13 13:40:32,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:32,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108663427] [2024-10-13 13:40:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:32,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:32,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677985996] [2024-10-13 13:40:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:32,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:32,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:32,401 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) [2024-10-13 13:40:32,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:40:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:40:32,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:32,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:32,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:32,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108663427] [2024-10-13 13:40:32,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:32,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677985996] [2024-10-13 13:40:32,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677985996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:32,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:32,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:32,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505679369] [2024-10-13 13:40:32,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:32,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:40:32,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:32,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:40:32,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:32,496 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:32,543 INFO L93 Difference]: Finished difference Result 147 states and 173 transitions. [2024-10-13 13:40:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:40:32,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-10-13 13:40:32,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:32,545 INFO L225 Difference]: With dead ends: 147 [2024-10-13 13:40:32,548 INFO L226 Difference]: Without dead ends: 143 [2024-10-13 13:40:32,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:32,549 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 43 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:32,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 102 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:32,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-13 13:40:32,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 128. [2024-10-13 13:40:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 87 states have (on average 1.5172413793103448) internal successors, (132), 112 states have internal predecessors, (132), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:40:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-10-13 13:40:32,557 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 30 [2024-10-13 13:40:32,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:32,558 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-10-13 13:40:32,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-10-13 13:40:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-13 13:40:32,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:32,559 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:32,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:40:32,762 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,SelfDestructingSolverStorable7 [2024-10-13 13:40:32,763 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:32,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:32,763 INFO L85 PathProgramCache]: Analyzing trace with hash 679168499, now seen corresponding path program 1 times [2024-10-13 13:40:32,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520963194] [2024-10-13 13:40:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520963194] [2024-10-13 13:40:32,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520963194] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461070194] [2024-10-13 13:40:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:32,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:32,875 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) [2024-10-13 13:40:32,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:40:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:32,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:40:32,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:33,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:33,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461070194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:33,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:33,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:40:33,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299280155] [2024-10-13 13:40:33,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:33,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:40:33,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:33,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:40:33,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:40:33,022 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:33,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:33,051 INFO L93 Difference]: Finished difference Result 137 states and 164 transitions. [2024-10-13 13:40:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:40:33,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-10-13 13:40:33,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:33,053 INFO L225 Difference]: With dead ends: 137 [2024-10-13 13:40:33,053 INFO L226 Difference]: Without dead ends: 136 [2024-10-13 13:40:33,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:40:33,054 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 194 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 [2024-10-13 13:40:33,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-13 13:40:33,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 131. [2024-10-13 13:40:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 90 states have (on average 1.488888888888889) internal successors, (134), 114 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:40:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 158 transitions. [2024-10-13 13:40:33,061 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 158 transitions. Word has length 31 [2024-10-13 13:40:33,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:33,062 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 158 transitions. [2024-10-13 13:40:33,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 158 transitions. [2024-10-13 13:40:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 13:40:33,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:33,063 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:33,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:40:33,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:33,264 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:33,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:33,264 INFO L85 PathProgramCache]: Analyzing trace with hash -573912309, now seen corresponding path program 1 times [2024-10-13 13:40:33,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:33,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385541871] [2024-10-13 13:40:33,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:33,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:33,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:33,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:33,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:33,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385541871] [2024-10-13 13:40:33,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385541871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:33,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:33,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:40:33,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873882432] [2024-10-13 13:40:33,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:33,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:33,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:33,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:40:33,341 INFO L87 Difference]: Start difference. First operand 131 states and 158 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:33,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:33,967 INFO L93 Difference]: Finished difference Result 157 states and 185 transitions. [2024-10-13 13:40:33,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:33,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-10-13 13:40:33,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:33,969 INFO L225 Difference]: With dead ends: 157 [2024-10-13 13:40:33,969 INFO L226 Difference]: Without dead ends: 156 [2024-10-13 13:40:33,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:40:33,970 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 107 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:33,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 113 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:40:33,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-13 13:40:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 138. [2024-10-13 13:40:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 97 states have (on average 1.4845360824742269) internal successors, (144), 121 states have internal predecessors, (144), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:40:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 168 transitions. [2024-10-13 13:40:33,985 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 168 transitions. Word has length 32 [2024-10-13 13:40:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:33,985 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 168 transitions. [2024-10-13 13:40:33,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 168 transitions. [2024-10-13 13:40:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 13:40:33,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:33,986 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:33,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 13:40:33,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:33,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:33,987 INFO L85 PathProgramCache]: Analyzing trace with hash -420612963, now seen corresponding path program 1 times [2024-10-13 13:40:33,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:33,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437652768] [2024-10-13 13:40:33,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:33,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:34,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:34,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:34,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:34,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:34,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437652768] [2024-10-13 13:40:34,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437652768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:34,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357504717] [2024-10-13 13:40:34,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:34,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:34,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:34,085 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) [2024-10-13 13:40:34,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:40:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:34,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:40:34,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:34,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:34,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357504717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:34,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:34,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:40:34,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076619858] [2024-10-13 13:40:34,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:34,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:40:34,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:34,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:40:34,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:40:34,192 INFO L87 Difference]: Start difference. First operand 138 states and 168 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:34,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:34,259 INFO L93 Difference]: Finished difference Result 143 states and 173 transitions. [2024-10-13 13:40:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:34,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-10-13 13:40:34,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:34,262 INFO L225 Difference]: With dead ends: 143 [2024-10-13 13:40:34,262 INFO L226 Difference]: Without dead ends: 142 [2024-10-13 13:40:34,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:40:34,263 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 16 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:34,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 265 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:34,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-13 13:40:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 137. [2024-10-13 13:40:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 120 states have internal predecessors, (143), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:40:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2024-10-13 13:40:34,276 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 32 [2024-10-13 13:40:34,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:34,276 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2024-10-13 13:40:34,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2024-10-13 13:40:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:40:34,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:34,277 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:34,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:40:34,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:34,478 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:34,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:34,479 INFO L85 PathProgramCache]: Analyzing trace with hash -611412298, now seen corresponding path program 1 times [2024-10-13 13:40:34,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:34,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854758551] [2024-10-13 13:40:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:34,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275674330] [2024-10-13 13:40:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:34,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:34,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:34,500 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) [2024-10-13 13:40:34,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:40:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:34,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:40:34,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:34,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:34,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:34,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854758551] [2024-10-13 13:40:34,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:34,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275674330] [2024-10-13 13:40:34,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275674330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:34,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:34,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:40:34,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770192670] [2024-10-13 13:40:34,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:34,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:34,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:34,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:34,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:40:34,694 INFO L87 Difference]: Start difference. First operand 137 states and 167 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:34,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:34,854 INFO L93 Difference]: Finished difference Result 143 states and 172 transitions. [2024-10-13 13:40:34,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:40:34,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-10-13 13:40:34,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:34,855 INFO L225 Difference]: With dead ends: 143 [2024-10-13 13:40:34,856 INFO L226 Difference]: Without dead ends: 140 [2024-10-13 13:40:34,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:40:34,856 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 24 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:34,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:34,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-13 13:40:34,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-13 13:40:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.45) internal successors, (145), 123 states have internal predecessors, (145), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:40:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-10-13 13:40:34,875 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 33 [2024-10-13 13:40:34,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:34,875 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-10-13 13:40:34,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:40:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-10-13 13:40:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-13 13:40:34,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:34,878 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:34,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:40:35,078 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,SelfDestructingSolverStorable11 [2024-10-13 13:40:35,079 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:35,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2061126728, now seen corresponding path program 1 times [2024-10-13 13:40:35,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:35,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348244926] [2024-10-13 13:40:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348244926] [2024-10-13 13:40:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348244926] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303071436] [2024-10-13 13:40:35,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:35,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:35,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:35,161 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) [2024-10-13 13:40:35,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:40:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:35,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:40:35,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:35,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:40:35,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303071436] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:35,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:40:35,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-13 13:40:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349427888] [2024-10-13 13:40:35,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:35,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:40:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:40:35,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:40:35,337 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:40:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:35,485 INFO L93 Difference]: Finished difference Result 276 states and 335 transitions. [2024-10-13 13:40:35,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:40:35,486 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 35 [2024-10-13 13:40:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:35,487 INFO L225 Difference]: With dead ends: 276 [2024-10-13 13:40:35,487 INFO L226 Difference]: Without dead ends: 200 [2024-10-13 13:40:35,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:40:35,489 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:35,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 329 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-10-13 13:40:35,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 180. [2024-10-13 13:40:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 132 states have (on average 1.4318181818181819) internal successors, (189), 155 states have internal predecessors, (189), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-13 13:40:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2024-10-13 13:40:35,506 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 35 [2024-10-13 13:40:35,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:35,507 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2024-10-13 13:40:35,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:40:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2024-10-13 13:40:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:40:35,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:35,508 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:35,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:40:35,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:35,712 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:35,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:35,712 INFO L85 PathProgramCache]: Analyzing trace with hash -911870819, now seen corresponding path program 1 times [2024-10-13 13:40:35,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:35,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598777280] [2024-10-13 13:40:35,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:35,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:35,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645441888] [2024-10-13 13:40:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:35,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:35,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:35,733 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) [2024-10-13 13:40:35,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:40:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:35,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:40:35,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:40:35,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598777280] [2024-10-13 13:40:35,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645441888] [2024-10-13 13:40:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645441888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:35,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:35,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:40:35,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022590742] [2024-10-13 13:40:35,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:35,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:35,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:40:35,825 INFO L87 Difference]: Start difference. First operand 180 states and 225 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:40:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:35,903 INFO L93 Difference]: Finished difference Result 218 states and 266 transitions. [2024-10-13 13:40:35,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:40:35,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-13 13:40:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:35,906 INFO L225 Difference]: With dead ends: 218 [2024-10-13 13:40:35,907 INFO L226 Difference]: Without dead ends: 208 [2024-10-13 13:40:35,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:40:35,908 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:35,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 159 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:35,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-13 13:40:35,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2024-10-13 13:40:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 143 states have (on average 1.3636363636363635) internal successors, (195), 162 states have internal predecessors, (195), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:40:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 235 transitions. [2024-10-13 13:40:35,925 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 235 transitions. Word has length 44 [2024-10-13 13:40:35,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:35,926 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 235 transitions. [2024-10-13 13:40:35,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:40:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 235 transitions. [2024-10-13 13:40:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:40:35,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:35,928 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:35,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:40:36,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:36,132 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:36,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1796775742, now seen corresponding path program 1 times [2024-10-13 13:40:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:36,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84444316] [2024-10-13 13:40:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:36,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583736293] [2024-10-13 13:40:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:36,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:36,146 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) [2024-10-13 13:40:36,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:40:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:40:36,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:40:36,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:36,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84444316] [2024-10-13 13:40:36,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583736293] [2024-10-13 13:40:36,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583736293] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:36,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:36,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-13 13:40:36,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516257976] [2024-10-13 13:40:36,313 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:36,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:36,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:40:36,314 INFO L87 Difference]: Start difference. First operand 189 states and 235 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:40:36,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:36,399 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2024-10-13 13:40:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:40:36,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-10-13 13:40:36,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:36,401 INFO L225 Difference]: With dead ends: 287 [2024-10-13 13:40:36,401 INFO L226 Difference]: Without dead ends: 283 [2024-10-13 13:40:36,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:40:36,402 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 69 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:36,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 183 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-13 13:40:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 249. [2024-10-13 13:40:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 197 states have (on average 1.4060913705583757) internal successors, (277), 216 states have internal predecessors, (277), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-13 13:40:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 329 transitions. [2024-10-13 13:40:36,422 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 329 transitions. Word has length 45 [2024-10-13 13:40:36,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:36,422 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 329 transitions. [2024-10-13 13:40:36,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:40:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 329 transitions. [2024-10-13 13:40:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 13:40:36,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:36,423 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:36,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:40:36,623 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,SelfDestructingSolverStorable14 [2024-10-13 13:40:36,624 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:36,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash 684890327, now seen corresponding path program 1 times [2024-10-13 13:40:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:36,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541875523] [2024-10-13 13:40:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 13:40:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:40:36,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:36,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541875523] [2024-10-13 13:40:36,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541875523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:36,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:36,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:40:36,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358375787] [2024-10-13 13:40:36,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:36,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:36,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:36,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:36,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:40:36,742 INFO L87 Difference]: Start difference. First operand 249 states and 329 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:37,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:37,123 INFO L93 Difference]: Finished difference Result 261 states and 340 transitions. [2024-10-13 13:40:37,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:37,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-10-13 13:40:37,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:37,125 INFO L225 Difference]: With dead ends: 261 [2024-10-13 13:40:37,126 INFO L226 Difference]: Without dead ends: 240 [2024-10-13 13:40:37,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:40:37,127 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 51 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:37,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 132 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:40:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-13 13:40:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 230. [2024-10-13 13:40:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4364640883977902) internal successors, (260), 200 states have internal predecessors, (260), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:40:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 308 transitions. [2024-10-13 13:40:37,145 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 308 transitions. Word has length 49 [2024-10-13 13:40:37,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:37,145 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 308 transitions. [2024-10-13 13:40:37,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 308 transitions. [2024-10-13 13:40:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-13 13:40:37,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:37,146 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:37,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 13:40:37,146 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:37,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:37,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1928129548, now seen corresponding path program 1 times [2024-10-13 13:40:37,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:37,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347638272] [2024-10-13 13:40:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:37,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:37,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347638272] [2024-10-13 13:40:37,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347638272] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:37,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005990170] [2024-10-13 13:40:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:37,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:37,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:37,283 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) [2024-10-13 13:40:37,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:40:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:40:37,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 13:40:37,454 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:37,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005990170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:37,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:37,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-10-13 13:40:37,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581773659] [2024-10-13 13:40:37,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:37,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:40:37,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:37,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:40:37,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:40:37,456 INFO L87 Difference]: Start difference. First operand 230 states and 308 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:40:37,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:37,528 INFO L93 Difference]: Finished difference Result 230 states and 308 transitions. [2024-10-13 13:40:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:37,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-10-13 13:40:37,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:37,531 INFO L225 Difference]: With dead ends: 230 [2024-10-13 13:40:37,531 INFO L226 Difference]: Without dead ends: 229 [2024-10-13 13:40:37,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:40:37,531 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 61 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:37,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 248 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:40:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-13 13:40:37,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-10-13 13:40:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.3922651933701657) internal successors, (252), 199 states have internal predecessors, (252), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:40:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2024-10-13 13:40:37,550 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 53 [2024-10-13 13:40:37,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:37,551 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2024-10-13 13:40:37,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:40:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2024-10-13 13:40:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-13 13:40:37,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:37,552 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:37,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-13 13:40:37,753 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 [2024-10-13 13:40:37,753 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:37,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:37,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1928131054, now seen corresponding path program 1 times [2024-10-13 13:40:37,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:37,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101122308] [2024-10-13 13:40:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:37,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:37,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:37,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101122308] [2024-10-13 13:40:37,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101122308] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:37,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98838748] [2024-10-13 13:40:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:37,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:37,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:37,815 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) [2024-10-13 13:40:37,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:40:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:37,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:40:37,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:37,912 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:37,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98838748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:37,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:40:37,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-13 13:40:37,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44553413] [2024-10-13 13:40:37,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:37,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:40:37,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:37,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:40:37,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:40:37,985 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:40:38,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:38,131 INFO L93 Difference]: Finished difference Result 362 states and 464 transitions. [2024-10-13 13:40:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:40:38,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 53 [2024-10-13 13:40:38,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:38,133 INFO L225 Difference]: With dead ends: 362 [2024-10-13 13:40:38,133 INFO L226 Difference]: Without dead ends: 360 [2024-10-13 13:40:38,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:40:38,134 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 166 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:38,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 234 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:38,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-13 13:40:38,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 297. [2024-10-13 13:40:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 240 states have (on average 1.4083333333333334) internal successors, (338), 258 states have internal predecessors, (338), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-13 13:40:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 404 transitions. [2024-10-13 13:40:38,156 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 404 transitions. Word has length 53 [2024-10-13 13:40:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:38,156 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 404 transitions. [2024-10-13 13:40:38,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:40:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 404 transitions. [2024-10-13 13:40:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-13 13:40:38,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:38,157 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:38,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:40:38,361 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 [2024-10-13 13:40:38,362 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:38,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:38,362 INFO L85 PathProgramCache]: Analyzing trace with hash -357526072, now seen corresponding path program 1 times [2024-10-13 13:40:38,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:38,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978311667] [2024-10-13 13:40:38,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:38,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:38,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:38,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978311667] [2024-10-13 13:40:38,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978311667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:38,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117140647] [2024-10-13 13:40:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:38,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:38,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:38,468 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) [2024-10-13 13:40:38,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:40:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:38,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:40:38,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 13:40:38,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:38,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117140647] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:38,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:40:38,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-10-13 13:40:38,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396909253] [2024-10-13 13:40:38,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:38,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:40:38,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:40:38,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:40:38,758 INFO L87 Difference]: Start difference. First operand 297 states and 404 transitions. Second operand has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-13 13:40:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:39,043 INFO L93 Difference]: Finished difference Result 429 states and 562 transitions. [2024-10-13 13:40:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 13:40:39,044 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 54 [2024-10-13 13:40:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:39,046 INFO L225 Difference]: With dead ends: 429 [2024-10-13 13:40:39,046 INFO L226 Difference]: Without dead ends: 423 [2024-10-13 13:40:39,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-10-13 13:40:39,047 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 341 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:39,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 443 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-10-13 13:40:39,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2024-10-13 13:40:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 330 states have (on average 1.3848484848484848) internal successors, (457), 348 states have internal predecessors, (457), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:40:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 531 transitions. [2024-10-13 13:40:39,079 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 531 transitions. Word has length 54 [2024-10-13 13:40:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:39,079 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 531 transitions. [2024-10-13 13:40:39,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-13 13:40:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 531 transitions. [2024-10-13 13:40:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 13:40:39,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:39,080 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-13 13:40:39,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:40:39,281 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 [2024-10-13 13:40:39,281 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:39,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:39,281 INFO L85 PathProgramCache]: Analyzing trace with hash -541148715, now seen corresponding path program 1 times [2024-10-13 13:40:39,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:39,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082809849] [2024-10-13 13:40:39,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:39,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:39,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498933360] [2024-10-13 13:40:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:39,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:39,296 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) [2024-10-13 13:40:39,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:40:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:39,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:40:39,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:39,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:39,676 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:40:39,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:39,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082809849] [2024-10-13 13:40:39,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:39,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498933360] [2024-10-13 13:40:39,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498933360] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:39,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:40:39,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-13 13:40:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792283884] [2024-10-13 13:40:39,677 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:39,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:40:39,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:39,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:40:39,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:40:39,678 INFO L87 Difference]: Start difference. First operand 393 states and 531 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:40:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:40,291 INFO L93 Difference]: Finished difference Result 440 states and 592 transitions. [2024-10-13 13:40:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:40:40,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 59 [2024-10-13 13:40:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:40,294 INFO L225 Difference]: With dead ends: 440 [2024-10-13 13:40:40,294 INFO L226 Difference]: Without dead ends: 434 [2024-10-13 13:40:40,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:40:40,295 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 223 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:40,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 211 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:40:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-13 13:40:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 396. [2024-10-13 13:40:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 333 states have (on average 1.3483483483483483) internal successors, (449), 351 states have internal predecessors, (449), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:40:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 523 transitions. [2024-10-13 13:40:40,327 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 523 transitions. Word has length 59 [2024-10-13 13:40:40,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:40,328 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 523 transitions. [2024-10-13 13:40:40,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:40:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 523 transitions. [2024-10-13 13:40:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-13 13:40:40,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:40,329 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:40:40,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:40:40,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:40,529 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:40,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:40,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1930038237, now seen corresponding path program 2 times [2024-10-13 13:40:40,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:40,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433449889] [2024-10-13 13:40:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:40,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726321777] [2024-10-13 13:40:40,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:40:40,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:40,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:40,543 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) [2024-10-13 13:40:40,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:40:40,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:40:40,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:40:40,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:40:40,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:40,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:40,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:40,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433449889] [2024-10-13 13:40:40,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:40,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726321777] [2024-10-13 13:40:40,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726321777] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:40,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:40,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:40:40,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402078674] [2024-10-13 13:40:40,694 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:40,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:40:40,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:40,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:40:40,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:40:40,696 INFO L87 Difference]: Start difference. First operand 396 states and 523 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:40:40,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:40,833 INFO L93 Difference]: Finished difference Result 544 states and 705 transitions. [2024-10-13 13:40:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:40,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2024-10-13 13:40:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:40,836 INFO L225 Difference]: With dead ends: 544 [2024-10-13 13:40:40,836 INFO L226 Difference]: Without dead ends: 540 [2024-10-13 13:40:40,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:40:40,837 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:40,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 239 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:40,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-13 13:40:40,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 435. [2024-10-13 13:40:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 368 states have (on average 1.326086956521739) internal successors, (488), 386 states have internal predecessors, (488), 41 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 13:40:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 570 transitions. [2024-10-13 13:40:40,881 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 570 transitions. Word has length 71 [2024-10-13 13:40:40,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:40,881 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 570 transitions. [2024-10-13 13:40:40,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:40:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 570 transitions. [2024-10-13 13:40:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-13 13:40:40,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:40,882 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:40,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:40:41,086 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,SelfDestructingSolverStorable20 [2024-10-13 13:40:41,087 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:41,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1411809605, now seen corresponding path program 1 times [2024-10-13 13:40:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:41,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825223826] [2024-10-13 13:40:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:41,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:40:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:40:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-13 13:40:41,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:41,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825223826] [2024-10-13 13:40:41,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825223826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:41,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:41,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:40:41,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426005757] [2024-10-13 13:40:41,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:41,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:40:41,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:41,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:40:41,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:41,148 INFO L87 Difference]: Start difference. First operand 435 states and 570 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:41,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:41,251 INFO L93 Difference]: Finished difference Result 435 states and 570 transitions. [2024-10-13 13:40:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:40:41,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 78 [2024-10-13 13:40:41,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:41,253 INFO L225 Difference]: With dead ends: 435 [2024-10-13 13:40:41,253 INFO L226 Difference]: Without dead ends: 434 [2024-10-13 13:40:41,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:40:41,254 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:41,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 113 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:40:41,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-13 13:40:41,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-10-13 13:40:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 368 states have (on average 1.3070652173913044) internal successors, (481), 385 states have internal predecessors, (481), 41 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 13:40:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 563 transitions. [2024-10-13 13:40:41,288 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 563 transitions. Word has length 78 [2024-10-13 13:40:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:41,288 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 563 transitions. [2024-10-13 13:40:41,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 563 transitions. [2024-10-13 13:40:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-13 13:40:41,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:41,289 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:41,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 13:40:41,290 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:41,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash -816424672, now seen corresponding path program 1 times [2024-10-13 13:40:41,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:41,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694291291] [2024-10-13 13:40:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:40:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:40:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-13 13:40:41,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:41,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694291291] [2024-10-13 13:40:41,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694291291] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:41,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:41,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:40:41,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164133502] [2024-10-13 13:40:41,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:41,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:40:41,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:41,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:40:41,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:40:41,427 INFO L87 Difference]: Start difference. First operand 434 states and 563 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:40:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:41,739 INFO L93 Difference]: Finished difference Result 648 states and 867 transitions. [2024-10-13 13:40:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:40:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-13 13:40:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:41,745 INFO L225 Difference]: With dead ends: 648 [2024-10-13 13:40:41,745 INFO L226 Difference]: Without dead ends: 647 [2024-10-13 13:40:41,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:40:41,745 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 114 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:41,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 274 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:40:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-13 13:40:41,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 586. [2024-10-13 13:40:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 506 states have (on average 1.3517786561264822) internal successors, (684), 523 states have internal predecessors, (684), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-13 13:40:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 794 transitions. [2024-10-13 13:40:41,800 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 794 transitions. Word has length 79 [2024-10-13 13:40:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:41,800 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 794 transitions. [2024-10-13 13:40:41,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:40:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 794 transitions. [2024-10-13 13:40:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 13:40:41,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:41,801 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:41,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 13:40:41,801 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:41,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash 460639069, now seen corresponding path program 1 times [2024-10-13 13:40:41,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:41,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692949194] [2024-10-13 13:40:41,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:41,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:40:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:40:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:41,971 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:41,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:41,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692949194] [2024-10-13 13:40:41,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692949194] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:41,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215331385] [2024-10-13 13:40:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:41,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:41,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:41,974 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) [2024-10-13 13:40:41,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:40:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:40:42,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-13 13:40:42,231 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:42,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215331385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:42,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:42,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-13 13:40:42,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699158390] [2024-10-13 13:40:42,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:42,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:40:42,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:40:42,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:40:42,233 INFO L87 Difference]: Start difference. First operand 586 states and 794 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:42,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:42,542 INFO L93 Difference]: Finished difference Result 614 states and 821 transitions. [2024-10-13 13:40:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:42,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2024-10-13 13:40:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:42,545 INFO L225 Difference]: With dead ends: 614 [2024-10-13 13:40:42,545 INFO L226 Difference]: Without dead ends: 613 [2024-10-13 13:40:42,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:40:42,546 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 86 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:42,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 146 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:40:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-10-13 13:40:42,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 595. [2024-10-13 13:40:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 515 states have (on average 1.3359223300970873) internal successors, (688), 532 states have internal predecessors, (688), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-13 13:40:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 798 transitions. [2024-10-13 13:40:42,599 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 798 transitions. Word has length 80 [2024-10-13 13:40:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:42,599 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 798 transitions. [2024-10-13 13:40:42,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 798 transitions. [2024-10-13 13:40:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-13 13:40:42,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:42,600 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:42,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-13 13:40:42,800 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 [2024-10-13 13:40:42,800 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:42,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1394909378, now seen corresponding path program 1 times [2024-10-13 13:40:42,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:42,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012806063] [2024-10-13 13:40:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:40:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:40:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:42,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:42,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012806063] [2024-10-13 13:40:42,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012806063] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:42,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843479760] [2024-10-13 13:40:42,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:42,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:42,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:42,990 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) [2024-10-13 13:40:42,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:40:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:40:43,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-13 13:40:43,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:40:43,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843479760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:43,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:43,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-13 13:40:43,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450607656] [2024-10-13 13:40:43,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:43,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:40:43,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:43,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:40:43,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:40:43,143 INFO L87 Difference]: Start difference. First operand 595 states and 798 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:43,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:43,400 INFO L93 Difference]: Finished difference Result 609 states and 809 transitions. [2024-10-13 13:40:43,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:40:43,400 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2024-10-13 13:40:43,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:43,403 INFO L225 Difference]: With dead ends: 609 [2024-10-13 13:40:43,403 INFO L226 Difference]: Without dead ends: 607 [2024-10-13 13:40:43,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:40:43,404 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 42 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:43,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 114 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:40:43,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-13 13:40:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 598. [2024-10-13 13:40:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 518 states have (on average 1.3146718146718146) internal successors, (681), 535 states have internal predecessors, (681), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-13 13:40:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2024-10-13 13:40:43,466 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 81 [2024-10-13 13:40:43,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:43,466 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2024-10-13 13:40:43,467 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2024-10-13 13:40:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:40:43,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:43,468 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:43,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-13 13:40:43,668 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 [2024-10-13 13:40:43,669 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:43,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:43,669 INFO L85 PathProgramCache]: Analyzing trace with hash 235053106, now seen corresponding path program 1 times [2024-10-13 13:40:43,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:43,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076684817] [2024-10-13 13:40:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:43,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:40:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 13:40:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:40:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:40:43,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:43,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076684817] [2024-10-13 13:40:43,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076684817] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:43,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184052170] [2024-10-13 13:40:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:43,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:43,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:43,826 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) [2024-10-13 13:40:43,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:40:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:43,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:40:43,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 13:40:43,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:40:44,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184052170] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:44,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:40:44,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-10-13 13:40:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328005579] [2024-10-13 13:40:44,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:44,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-13 13:40:44,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-13 13:40:44,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:40:44,140 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 21 states have internal predecessors, (95), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-10-13 13:40:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:44,558 INFO L93 Difference]: Finished difference Result 821 states and 1069 transitions. [2024-10-13 13:40:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-13 13:40:44,559 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 21 states have internal predecessors, (95), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 85 [2024-10-13 13:40:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:44,562 INFO L225 Difference]: With dead ends: 821 [2024-10-13 13:40:44,562 INFO L226 Difference]: Without dead ends: 671 [2024-10-13 13:40:44,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-10-13 13:40:44,564 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 154 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:44,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 751 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:40:44,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-10-13 13:40:44,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 653. [2024-10-13 13:40:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 563 states have (on average 1.2966252220248669) internal successors, (730), 580 states have internal predecessors, (730), 61 states have call successors, (61), 11 states have call predecessors, (61), 11 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 13:40:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 852 transitions. [2024-10-13 13:40:44,619 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 852 transitions. Word has length 85 [2024-10-13 13:40:44,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:44,619 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 852 transitions. [2024-10-13 13:40:44,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 21 states have internal predecessors, (95), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-10-13 13:40:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 852 transitions. [2024-10-13 13:40:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-13 13:40:44,622 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:44,622 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:40:44,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:40:44,822 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 [2024-10-13 13:40:44,823 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:44,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:44,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1515810226, now seen corresponding path program 1 times [2024-10-13 13:40:44,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:44,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133198919] [2024-10-13 13:40:44,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:44,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:44,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1693361176] [2024-10-13 13:40:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:44,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:44,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:44,845 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) [2024-10-13 13:40:44,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:40:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:44,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:40:44,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:45,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:45,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:45,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133198919] [2024-10-13 13:40:45,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:45,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693361176] [2024-10-13 13:40:45,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693361176] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:45,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:45,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:40:45,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542674465] [2024-10-13 13:40:45,885 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:45,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:40:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:45,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:40:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:40:45,886 INFO L87 Difference]: Start difference. First operand 653 states and 852 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:40:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:46,376 INFO L93 Difference]: Finished difference Result 682 states and 891 transitions. [2024-10-13 13:40:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:40:46,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2024-10-13 13:40:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:46,379 INFO L225 Difference]: With dead ends: 682 [2024-10-13 13:40:46,380 INFO L226 Difference]: Without dead ends: 681 [2024-10-13 13:40:46,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:40:46,380 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:46,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 315 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:40:46,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-13 13:40:46,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 671. [2024-10-13 13:40:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 579 states have (on average 1.2953367875647668) internal successors, (750), 596 states have internal predecessors, (750), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-13 13:40:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 876 transitions. [2024-10-13 13:40:46,432 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 876 transitions. Word has length 86 [2024-10-13 13:40:46,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:46,432 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 876 transitions. [2024-10-13 13:40:46,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:40:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 876 transitions. [2024-10-13 13:40:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:40:46,433 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:46,434 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-13 13:40:46,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-13 13:40:46,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 13:40:46,634 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:46,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:46,635 INFO L85 PathProgramCache]: Analyzing trace with hash -254523157, now seen corresponding path program 1 times [2024-10-13 13:40:46,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:46,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50982975] [2024-10-13 13:40:46,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:46,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:46,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195395739] [2024-10-13 13:40:46,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:46,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:46,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:46,654 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:40:46,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:40:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:46,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:40:46,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:47,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:47,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:47,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50982975] [2024-10-13 13:40:47,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:47,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195395739] [2024-10-13 13:40:47,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195395739] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:40:47,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:40:47,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:40:47,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704344120] [2024-10-13 13:40:47,388 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:47,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:40:47,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:47,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:40:47,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:40:47,389 INFO L87 Difference]: Start difference. First operand 671 states and 876 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:40:47,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:47,676 INFO L93 Difference]: Finished difference Result 727 states and 954 transitions. [2024-10-13 13:40:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:40:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-10-13 13:40:47,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:47,679 INFO L225 Difference]: With dead ends: 727 [2024-10-13 13:40:47,680 INFO L226 Difference]: Without dead ends: 726 [2024-10-13 13:40:47,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:40:47,680 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 53 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:47,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 305 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:40:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-10-13 13:40:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 711. [2024-10-13 13:40:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 615 states have (on average 1.2943089430894308) internal successors, (796), 632 states have internal predecessors, (796), 67 states have call successors, (67), 11 states have call predecessors, (67), 11 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-13 13:40:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 930 transitions. [2024-10-13 13:40:47,735 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 930 transitions. Word has length 87 [2024-10-13 13:40:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:47,736 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 930 transitions. [2024-10-13 13:40:47,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:40:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 930 transitions. [2024-10-13 13:40:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:40:47,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:47,737 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-13 13:40:47,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-13 13:40:47,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 13:40:47,941 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:47,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:47,941 INFO L85 PathProgramCache]: Analyzing trace with hash 699716820, now seen corresponding path program 1 times [2024-10-13 13:40:47,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:47,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048134481] [2024-10-13 13:40:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:47,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:40:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:40:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:40:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:40:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:40:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:40:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:40:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:40:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-13 13:40:48,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:48,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048134481] [2024-10-13 13:40:48,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048134481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:40:48,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:40:48,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:40:48,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273217867] [2024-10-13 13:40:48,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:40:48,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:40:48,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:48,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:40:48,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:40:48,034 INFO L87 Difference]: Start difference. First operand 711 states and 930 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:48,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:48,791 INFO L93 Difference]: Finished difference Result 716 states and 937 transitions. [2024-10-13 13:40:48,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:40:48,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2024-10-13 13:40:48,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:48,795 INFO L225 Difference]: With dead ends: 716 [2024-10-13 13:40:48,795 INFO L226 Difference]: Without dead ends: 715 [2024-10-13 13:40:48,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:40:48,796 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 87 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:48,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 105 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:40:48,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-13 13:40:48,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 710. [2024-10-13 13:40:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 615 states have (on average 1.28130081300813) internal successors, (788), 631 states have internal predecessors, (788), 67 states have call successors, (67), 11 states have call predecessors, (67), 11 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-13 13:40:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 922 transitions. [2024-10-13 13:40:48,859 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 922 transitions. Word has length 88 [2024-10-13 13:40:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:48,859 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 922 transitions. [2024-10-13 13:40:48,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:40:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 922 transitions. [2024-10-13 13:40:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-13 13:40:48,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:48,861 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-13 13:40:48,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 13:40:48,861 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:48,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:48,862 INFO L85 PathProgramCache]: Analyzing trace with hash 216385037, now seen corresponding path program 1 times [2024-10-13 13:40:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:48,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144265453] [2024-10-13 13:40:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:48,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:48,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297846334] [2024-10-13 13:40:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:48,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:48,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:48,886 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:40:48,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:40:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:40:48,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:40:48,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:49,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:40:52,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:52,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144265453] [2024-10-13 13:40:52,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:52,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297846334] [2024-10-13 13:40:52,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297846334] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:52,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:40:52,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-10-13 13:40:52,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269412538] [2024-10-13 13:40:52,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:52,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-13 13:40:52,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:52,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-13 13:40:52,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:40:52,517 INFO L87 Difference]: Start difference. First operand 710 states and 922 transitions. Second operand has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-13 13:40:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:40:56,626 INFO L93 Difference]: Finished difference Result 876 states and 1146 transitions. [2024-10-13 13:40:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-13 13:40:56,627 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 89 [2024-10-13 13:40:56,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:40:56,629 INFO L225 Difference]: With dead ends: 876 [2024-10-13 13:40:56,629 INFO L226 Difference]: Without dead ends: 697 [2024-10-13 13:40:56,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 13:40:56,630 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 300 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:40:56,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 380 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 13:40:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-10-13 13:40:56,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 636. [2024-10-13 13:40:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 549 states have (on average 1.296903460837887) internal successors, (712), 565 states have internal predecessors, (712), 59 states have call successors, (59), 11 states have call predecessors, (59), 11 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-13 13:40:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 830 transitions. [2024-10-13 13:40:56,684 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 830 transitions. Word has length 89 [2024-10-13 13:40:56,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:40:56,684 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 830 transitions. [2024-10-13 13:40:56,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-13 13:40:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 830 transitions. [2024-10-13 13:40:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-13 13:40:56,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:40:56,685 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-13 13:40:56,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 13:40:56,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:56,890 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:40:56,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:40:56,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1277550524, now seen corresponding path program 3 times [2024-10-13 13:40:56,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:40:56,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209325673] [2024-10-13 13:40:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:40:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:40:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:40:56,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005779441] [2024-10-13 13:40:56,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:40:56,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:40:56,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:40:56,907 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:40:56,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:40:56,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-13 13:40:56,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:40:56,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:40:56,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:40:58,498 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~p~0#1_66| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1_66| 4611686018427387903) (<= |c_ULTIMATE.start_main_~p~0#1| (* 2 |v_ULTIMATE.start_main_~p~0#1_66|)) (<= (* (mod |c_ULTIMATE.start_main_~B~0#1| 4294967296) |v_ULTIMATE.start_main_~p~0#1_66|) 4611686018427387903))) is different from true [2024-10-13 13:40:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-13 13:40:58,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:40:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-13 13:40:58,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:40:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209325673] [2024-10-13 13:40:58,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:40:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005779441] [2024-10-13 13:40:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005779441] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:40:58,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:40:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-13 13:40:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31136015] [2024-10-13 13:40:58,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:40:58,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:40:58,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:40:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:40:58,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=67, Unknown=1, NotChecked=16, Total=110 [2024-10-13 13:40:58,846 INFO L87 Difference]: Start difference. First operand 636 states and 830 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:41:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:00,140 INFO L93 Difference]: Finished difference Result 664 states and 856 transitions. [2024-10-13 13:41:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:41:00,141 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2024-10-13 13:41:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:00,143 INFO L225 Difference]: With dead ends: 664 [2024-10-13 13:41:00,143 INFO L226 Difference]: Without dead ends: 661 [2024-10-13 13:41:00,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=47, Invalid=138, Unknown=1, NotChecked=24, Total=210 [2024-10-13 13:41:00,145 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 164 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 128 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:00,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 274 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 397 Invalid, 0 Unknown, 128 Unchecked, 1.2s Time] [2024-10-13 13:41:00,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-10-13 13:41:00,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 513. [2024-10-13 13:41:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 439 states have (on average 1.2391799544419135) internal successors, (544), 452 states have internal predecessors, (544), 49 states have call successors, (49), 11 states have call predecessors, (49), 11 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 13:41:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 642 transitions. [2024-10-13 13:41:00,200 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 642 transitions. Word has length 97 [2024-10-13 13:41:00,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:00,200 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 642 transitions. [2024-10-13 13:41:00,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:41:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 642 transitions. [2024-10-13 13:41:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-13 13:41:00,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:00,202 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:00,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:41:00,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-13 13:41:00,406 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:00,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:00,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1324678156, now seen corresponding path program 1 times [2024-10-13 13:41:00,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:00,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179516582] [2024-10-13 13:41:00,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:00,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:41:00,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246035923] [2024-10-13 13:41:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:00,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:00,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:00,424 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:00,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:41:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:00,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:41:00,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:41:00,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:01,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:01,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179516582] [2024-10-13 13:41:01,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:41:01,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246035923] [2024-10-13 13:41:01,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246035923] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:01,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:41:01,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:41:01,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256758535] [2024-10-13 13:41:01,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:01,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:41:01,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:01,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:41:01,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:41:01,295 INFO L87 Difference]: Start difference. First operand 513 states and 642 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:41:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:01,624 INFO L93 Difference]: Finished difference Result 518 states and 649 transitions. [2024-10-13 13:41:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:41:01,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 103 [2024-10-13 13:41:01,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:01,627 INFO L225 Difference]: With dead ends: 518 [2024-10-13 13:41:01,627 INFO L226 Difference]: Without dead ends: 517 [2024-10-13 13:41:01,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:41:01,628 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 26 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:01,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 340 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:41:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-10-13 13:41:01,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 514. [2024-10-13 13:41:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 440 states have (on average 1.2386363636363635) internal successors, (545), 453 states have internal predecessors, (545), 49 states have call successors, (49), 11 states have call predecessors, (49), 11 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 13:41:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 643 transitions. [2024-10-13 13:41:01,679 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 643 transitions. Word has length 103 [2024-10-13 13:41:01,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:01,680 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 643 transitions. [2024-10-13 13:41:01,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:41:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 643 transitions. [2024-10-13 13:41:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 13:41:01,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:01,681 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:01,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:01,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:01,882 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:01,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:01,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1884649987, now seen corresponding path program 1 times [2024-10-13 13:41:01,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:01,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070162768] [2024-10-13 13:41:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:01,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:41:01,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027010464] [2024-10-13 13:41:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:01,917 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:01,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:41:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:01,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:41:01,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:41:02,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:03,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:03,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070162768] [2024-10-13 13:41:03,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:41:03,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027010464] [2024-10-13 13:41:03,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027010464] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:03,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:41:03,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:41:03,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560391341] [2024-10-13 13:41:03,362 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:03,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:41:03,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:03,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:41:03,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:41:03,364 INFO L87 Difference]: Start difference. First operand 514 states and 643 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:41:03,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:03,826 INFO L93 Difference]: Finished difference Result 713 states and 923 transitions. [2024-10-13 13:41:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:41:03,826 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-13 13:41:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:03,830 INFO L225 Difference]: With dead ends: 713 [2024-10-13 13:41:03,830 INFO L226 Difference]: Without dead ends: 490 [2024-10-13 13:41:03,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:41:03,831 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 46 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:03,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 423 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:41:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-10-13 13:41:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 466. [2024-10-13 13:41:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 397 states have (on average 1.2443324937027709) internal successors, (494), 409 states have internal predecessors, (494), 46 states have call successors, (46), 10 states have call predecessors, (46), 10 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 13:41:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 586 transitions. [2024-10-13 13:41:03,882 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 586 transitions. Word has length 104 [2024-10-13 13:41:03,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:03,882 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 586 transitions. [2024-10-13 13:41:03,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:41:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 586 transitions. [2024-10-13 13:41:03,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-13 13:41:03,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:03,884 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:03,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:41:04,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:04,084 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:04,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:04,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1705392686, now seen corresponding path program 1 times [2024-10-13 13:41:04,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:04,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772570632] [2024-10-13 13:41:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:04,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:41:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:41:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:41:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:41:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:41:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:41:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:41:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:41:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:41:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 13:41:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-13 13:41:04,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:04,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772570632] [2024-10-13 13:41:04,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772570632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:41:04,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:41:04,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:41:04,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056538974] [2024-10-13 13:41:04,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:41:04,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:41:04,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:04,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:41:04,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:41:04,226 INFO L87 Difference]: Start difference. First operand 466 states and 586 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:41:04,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:04,692 INFO L93 Difference]: Finished difference Result 466 states and 586 transitions. [2024-10-13 13:41:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:41:04,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2024-10-13 13:41:04,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:04,694 INFO L225 Difference]: With dead ends: 466 [2024-10-13 13:41:04,694 INFO L226 Difference]: Without dead ends: 465 [2024-10-13 13:41:04,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:41:04,695 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:04,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 131 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:41:04,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-10-13 13:41:04,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2024-10-13 13:41:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 397 states have (on average 1.2418136020151134) internal successors, (493), 408 states have internal predecessors, (493), 46 states have call successors, (46), 10 states have call predecessors, (46), 10 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 13:41:04,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 585 transitions. [2024-10-13 13:41:04,738 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 585 transitions. Word has length 105 [2024-10-13 13:41:04,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:04,739 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 585 transitions. [2024-10-13 13:41:04,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:41:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 585 transitions. [2024-10-13 13:41:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 13:41:04,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:04,740 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-10-13 13:41:04,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 13:41:04,745 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:04,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:04,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1786416562, now seen corresponding path program 1 times [2024-10-13 13:41:04,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:04,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280263870] [2024-10-13 13:41:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:04,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:41:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:41:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:41:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:41:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:41:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:41:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:41:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 13:41:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:41:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 13:41:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 13:41:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 13:41:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:41:04,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:04,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280263870] [2024-10-13 13:41:04,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280263870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:04,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142234307] [2024-10-13 13:41:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:04,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:04,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:04,850 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:04,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:41:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:04,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:41:04,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:41:04,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:41:05,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142234307] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:41:05,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:41:05,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 13:41:05,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476290111] [2024-10-13 13:41:05,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:05,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:41:05,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:05,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:41:05,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:41:05,078 INFO L87 Difference]: Start difference. First operand 465 states and 585 transitions. Second operand has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-13 13:41:05,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:05,351 INFO L93 Difference]: Finished difference Result 1037 states and 1316 transitions. [2024-10-13 13:41:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:41:05,352 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 107 [2024-10-13 13:41:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:05,356 INFO L225 Difference]: With dead ends: 1037 [2024-10-13 13:41:05,356 INFO L226 Difference]: Without dead ends: 1035 [2024-10-13 13:41:05,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:41:05,358 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 376 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:05,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 415 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:41:05,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2024-10-13 13:41:05,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 558. [2024-10-13 13:41:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 477 states have (on average 1.2159329140461217) internal successors, (580), 488 states have internal predecessors, (580), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-13 13:41:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 698 transitions. [2024-10-13 13:41:05,426 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 698 transitions. Word has length 107 [2024-10-13 13:41:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:05,426 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 698 transitions. [2024-10-13 13:41:05,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-13 13:41:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 698 transitions. [2024-10-13 13:41:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 13:41:05,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:05,429 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:05,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:05,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:05,630 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:05,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:05,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1327565855, now seen corresponding path program 1 times [2024-10-13 13:41:05,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:05,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605027206] [2024-10-13 13:41:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:05,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:41:05,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144918196] [2024-10-13 13:41:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:05,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:05,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:05,656 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:05,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:41:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:05,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:41:05,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:41:06,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:41:07,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:07,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605027206] [2024-10-13 13:41:07,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:41:07,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144918196] [2024-10-13 13:41:07,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144918196] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:41:07,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:41:07,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-10-13 13:41:07,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533809025] [2024-10-13 13:41:07,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:07,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 13:41:07,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:07,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 13:41:07,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:41:07,964 INFO L87 Difference]: Start difference. First operand 558 states and 698 transitions. Second operand has 17 states, 16 states have (on average 7.0625) internal successors, (113), 17 states have internal predecessors, (113), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-10-13 13:41:10,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:10,962 INFO L93 Difference]: Finished difference Result 606 states and 756 transitions. [2024-10-13 13:41:10,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 13:41:10,962 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.0625) internal successors, (113), 17 states have internal predecessors, (113), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 106 [2024-10-13 13:41:10,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:10,965 INFO L225 Difference]: With dead ends: 606 [2024-10-13 13:41:10,965 INFO L226 Difference]: Without dead ends: 598 [2024-10-13 13:41:10,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2024-10-13 13:41:10,966 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 161 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:10,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 489 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-13 13:41:10,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-13 13:41:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 593. [2024-10-13 13:41:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 508 states have (on average 1.2106299212598426) internal successors, (615), 519 states have internal predecessors, (615), 63 states have call successors, (63), 10 states have call predecessors, (63), 10 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-13 13:41:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 741 transitions. [2024-10-13 13:41:11,038 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 741 transitions. Word has length 106 [2024-10-13 13:41:11,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:11,038 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 741 transitions. [2024-10-13 13:41:11,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.0625) internal successors, (113), 17 states have internal predecessors, (113), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-10-13 13:41:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 741 transitions. [2024-10-13 13:41:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-13 13:41:11,039 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:11,040 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:11,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:11,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-13 13:41:11,240 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:11,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash -806020776, now seen corresponding path program 1 times [2024-10-13 13:41:11,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:11,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339788861] [2024-10-13 13:41:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:11,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:41:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:41:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:41:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:41:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:41:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:41:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:41:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:41:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:41:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 13:41:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-13 13:41:11,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:11,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339788861] [2024-10-13 13:41:11,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339788861] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:11,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537845732] [2024-10-13 13:41:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:11,484 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:11,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:41:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:11,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:41:11,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:41:11,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:41:11,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537845732] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:41:11,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:41:11,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-10-13 13:41:11,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393657322] [2024-10-13 13:41:11,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:11,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:41:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:41:11,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:41:11,760 INFO L87 Difference]: Start difference. First operand 593 states and 741 transitions. Second operand has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-13 13:41:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:12,423 INFO L93 Difference]: Finished difference Result 927 states and 1190 transitions. [2024-10-13 13:41:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:41:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 109 [2024-10-13 13:41:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:12,427 INFO L225 Difference]: With dead ends: 927 [2024-10-13 13:41:12,428 INFO L226 Difference]: Without dead ends: 755 [2024-10-13 13:41:12,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:41:12,429 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 228 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:12,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 610 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:41:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-10-13 13:41:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 553. [2024-10-13 13:41:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 471 states have (on average 1.2356687898089171) internal successors, (582), 482 states have internal predecessors, (582), 61 states have call successors, (61), 9 states have call predecessors, (61), 9 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 13:41:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 704 transitions. [2024-10-13 13:41:12,493 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 704 transitions. Word has length 109 [2024-10-13 13:41:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:12,493 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 704 transitions. [2024-10-13 13:41:12,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-13 13:41:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 704 transitions. [2024-10-13 13:41:12,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 13:41:12,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:12,494 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:12,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:12,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-13 13:41:12,694 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:12,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:12,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2144174067, now seen corresponding path program 2 times [2024-10-13 13:41:12,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:12,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473897931] [2024-10-13 13:41:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:12,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:41:12,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [57713356] [2024-10-13 13:41:12,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:41:12,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:12,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:12,721 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:12,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:41:12,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:41:12,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:41:12,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:41:12,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:41:12,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:13,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:13,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473897931] [2024-10-13 13:41:13,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:41:13,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57713356] [2024-10-13 13:41:13,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57713356] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:13,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:41:13,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:41:13,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551074299] [2024-10-13 13:41:13,508 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:13,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:41:13,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:13,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:41:13,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:41:13,509 INFO L87 Difference]: Start difference. First operand 553 states and 704 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:41:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:13,744 INFO L93 Difference]: Finished difference Result 588 states and 756 transitions. [2024-10-13 13:41:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:41:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2024-10-13 13:41:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:13,746 INFO L225 Difference]: With dead ends: 588 [2024-10-13 13:41:13,746 INFO L226 Difference]: Without dead ends: 576 [2024-10-13 13:41:13,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:41:13,747 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 79 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:13,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 195 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:41:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-10-13 13:41:13,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 533. [2024-10-13 13:41:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 453 states have (on average 1.1986754966887416) internal successors, (543), 462 states have internal predecessors, (543), 61 states have call successors, (61), 9 states have call predecessors, (61), 9 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 13:41:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 665 transitions. [2024-10-13 13:41:13,811 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 665 transitions. Word has length 112 [2024-10-13 13:41:13,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:13,811 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 665 transitions. [2024-10-13 13:41:13,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:41:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 665 transitions. [2024-10-13 13:41:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-13 13:41:13,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:13,812 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 13:41:13,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:14,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-13 13:41:14,013 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:14,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2044886730, now seen corresponding path program 2 times [2024-10-13 13:41:14,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:14,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888729477] [2024-10-13 13:41:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:14,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:41:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123233570] [2024-10-13 13:41:14,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:41:14,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:14,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:14,035 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:14,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:41:14,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:41:14,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:41:14,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:41:14,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:41:14,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:18,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:18,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888729477] [2024-10-13 13:41:18,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:41:18,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123233570] [2024-10-13 13:41:18,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123233570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:18,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:41:18,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:41:18,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651319304] [2024-10-13 13:41:18,655 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:18,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:41:18,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:18,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:41:18,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:41:18,656 INFO L87 Difference]: Start difference. First operand 533 states and 665 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:41:18,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:18,811 INFO L93 Difference]: Finished difference Result 575 states and 719 transitions. [2024-10-13 13:41:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:41:18,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2024-10-13 13:41:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:18,814 INFO L225 Difference]: With dead ends: 575 [2024-10-13 13:41:18,814 INFO L226 Difference]: Without dead ends: 574 [2024-10-13 13:41:18,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:41:18,814 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 48 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:18,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 211 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:41:18,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-10-13 13:41:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 561. [2024-10-13 13:41:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 477 states have (on average 1.1970649895178198) internal successors, (571), 486 states have internal predecessors, (571), 65 states have call successors, (65), 9 states have call predecessors, (65), 9 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-13 13:41:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 701 transitions. [2024-10-13 13:41:18,885 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 701 transitions. Word has length 113 [2024-10-13 13:41:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:18,885 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 701 transitions. [2024-10-13 13:41:18,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:41:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 701 transitions. [2024-10-13 13:41:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 13:41:18,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:18,887 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:18,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:19,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-13 13:41:19,087 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:19,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash 768843283, now seen corresponding path program 1 times [2024-10-13 13:41:19,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:19,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556854566] [2024-10-13 13:41:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:19,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:41:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:41:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:41:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:41:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:41:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:41:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:41:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 13:41:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:41:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 13:41:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 13:41:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 13:41:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 13:41:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:41:19,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556854566] [2024-10-13 13:41:19,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556854566] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903879777] [2024-10-13 13:41:19,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:19,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:19,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:19,397 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:19,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:41:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:19,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:41:19,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 320 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-13 13:41:19,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:41:20,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903879777] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:41:20,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:41:20,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2024-10-13 13:41:20,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337018135] [2024-10-13 13:41:20,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:20,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-13 13:41:20,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:20,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-13 13:41:20,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 13:41:20,042 INFO L87 Difference]: Start difference. First operand 561 states and 701 transitions. Second operand has 37 states, 36 states have (on average 6.277777777777778) internal successors, (226), 37 states have internal predecessors, (226), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-10-13 13:41:20,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:20,888 INFO L93 Difference]: Finished difference Result 1527 states and 1975 transitions. [2024-10-13 13:41:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-13 13:41:20,889 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 6.277777777777778) internal successors, (226), 37 states have internal predecessors, (226), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 136 [2024-10-13 13:41:20,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:20,896 INFO L225 Difference]: With dead ends: 1527 [2024-10-13 13:41:20,896 INFO L226 Difference]: Without dead ends: 1519 [2024-10-13 13:41:20,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=926, Invalid=2980, Unknown=0, NotChecked=0, Total=3906 [2024-10-13 13:41:20,898 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 474 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:20,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 863 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:41:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2024-10-13 13:41:21,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1448. [2024-10-13 13:41:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1285 states have (on average 1.2474708171206226) internal successors, (1603), 1294 states have internal predecessors, (1603), 137 states have call successors, (137), 16 states have call predecessors, (137), 16 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-13 13:41:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 1877 transitions. [2024-10-13 13:41:21,070 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 1877 transitions. Word has length 136 [2024-10-13 13:41:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:21,074 INFO L471 AbstractCegarLoop]: Abstraction has 1448 states and 1877 transitions. [2024-10-13 13:41:21,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 6.277777777777778) internal successors, (226), 37 states have internal predecessors, (226), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-10-13 13:41:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1877 transitions. [2024-10-13 13:41:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 13:41:21,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:21,076 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:21,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:21,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-13 13:41:21,276 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:21,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:21,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1943634983, now seen corresponding path program 1 times [2024-10-13 13:41:21,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:21,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075964019] [2024-10-13 13:41:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:21,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:41:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:41:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:41:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:41:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:41:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:41:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:41:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 13:41:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:41:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 13:41:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 13:41:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 13:41:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 13:41:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:41:21,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:21,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075964019] [2024-10-13 13:41:21,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075964019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:21,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534327003] [2024-10-13 13:41:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:21,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:21,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:21,585 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:21,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:41:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:21,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:41:21,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:41:21,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:41:23,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534327003] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:41:23,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:41:23,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-13 13:41:23,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140264161] [2024-10-13 13:41:23,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:23,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 13:41:23,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:23,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 13:41:23,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:41:23,510 INFO L87 Difference]: Start difference. First operand 1448 states and 1877 transitions. Second operand has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-13 13:41:24,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:24,742 INFO L93 Difference]: Finished difference Result 2156 states and 2801 transitions. [2024-10-13 13:41:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 13:41:24,743 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 137 [2024-10-13 13:41:24,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:24,751 INFO L225 Difference]: With dead ends: 2156 [2024-10-13 13:41:24,751 INFO L226 Difference]: Without dead ends: 2155 [2024-10-13 13:41:24,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 13:41:24,752 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 412 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:24,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 796 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:41:24,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2024-10-13 13:41:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1928. [2024-10-13 13:41:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1725 states have (on average 1.241159420289855) internal successors, (2141), 1734 states have internal predecessors, (2141), 177 states have call successors, (177), 16 states have call predecessors, (177), 16 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2024-10-13 13:41:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2495 transitions. [2024-10-13 13:41:24,977 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2495 transitions. Word has length 137 [2024-10-13 13:41:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:24,977 INFO L471 AbstractCegarLoop]: Abstraction has 1928 states and 2495 transitions. [2024-10-13 13:41:24,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-13 13:41:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2495 transitions. [2024-10-13 13:41:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-13 13:41:24,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:24,979 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:24,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-13 13:41:25,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:25,179 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:25,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:25,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1023693538, now seen corresponding path program 1 times [2024-10-13 13:41:25,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:25,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055879870] [2024-10-13 13:41:25,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:25,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:41:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:41:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 13:41:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:41:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:41:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:41:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:41:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 13:41:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:41:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 13:41:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 13:41:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 13:41:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 13:41:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 13:41:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-13 13:41:25,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:41:25,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055879870] [2024-10-13 13:41:25,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055879870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:41:25,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066943274] [2024-10-13 13:41:25,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:25,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:25,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:25,461 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:25,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-13 13:41:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:41:25,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:41:25,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:41:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-13 13:41:25,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:41:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-13 13:41:25,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066943274] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:41:25,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:41:25,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-10-13 13:41:25,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860367857] [2024-10-13 13:41:25,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:41:25,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-13 13:41:25,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:41:25,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-13 13:41:25,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-10-13 13:41:25,992 INFO L87 Difference]: Start difference. First operand 1928 states and 2495 transitions. Second operand has 29 states, 29 states have (on average 5.517241379310345) internal successors, (160), 29 states have internal predecessors, (160), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-10-13 13:41:26,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:41:26,575 INFO L93 Difference]: Finished difference Result 2249 states and 2866 transitions. [2024-10-13 13:41:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-13 13:41:26,576 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.517241379310345) internal successors, (160), 29 states have internal predecessors, (160), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 138 [2024-10-13 13:41:26,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:41:26,583 INFO L225 Difference]: With dead ends: 2249 [2024-10-13 13:41:26,583 INFO L226 Difference]: Without dead ends: 2043 [2024-10-13 13:41:26,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=694, Invalid=2386, Unknown=0, NotChecked=0, Total=3080 [2024-10-13 13:41:26,585 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 203 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:41:26,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 758 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:41:26,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-10-13 13:41:26,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2021. [2024-10-13 13:41:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2021 states, 1807 states have (on average 1.231322634200332) internal successors, (2225), 1816 states have internal predecessors, (2225), 181 states have call successors, (181), 23 states have call predecessors, (181), 23 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-10-13 13:41:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2587 transitions. [2024-10-13 13:41:26,819 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2587 transitions. Word has length 138 [2024-10-13 13:41:26,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:41:26,819 INFO L471 AbstractCegarLoop]: Abstraction has 2021 states and 2587 transitions. [2024-10-13 13:41:26,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.517241379310345) internal successors, (160), 29 states have internal predecessors, (160), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-10-13 13:41:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2587 transitions. [2024-10-13 13:41:26,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-13 13:41:26,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:41:26,821 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:41:26,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-13 13:41:27,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-10-13 13:41:27,025 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-13 13:41:27,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:41:27,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1669729257, now seen corresponding path program 3 times [2024-10-13 13:41:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:41:27,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389971047] [2024-10-13 13:41:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:41:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:41:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:41:27,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833624658] [2024-10-13 13:41:27,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:41:27,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:41:27,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:41:27,053 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:41:27,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-13 13:41:27,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 13:41:27,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:41:27,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 13:41:27,101 INFO L278 TraceCheckSpWp]: Computing forward predicates...