./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/egcd-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:40:36,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:40:36,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:40:36,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:40:36,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:40:36,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:40:36,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:40:36,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:40:36,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:40:36,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:40:36,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:40:36,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:40:36,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:40:36,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:40:36,535 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:40:36,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:40:36,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:40:36,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:40:36,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:40:36,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:40:36,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:40:36,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:40:36,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:40:36,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:40:36,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:40:36,542 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:40:36,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:40:36,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:40:36,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:40:36,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:40:36,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:40:36,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:40:36,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:40:36,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:40:36,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:40:36,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:40:36,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:40:36,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:40:36,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:40:36,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:40:36,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:40:36,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:40:36,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:40:36,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:40:36,551 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2024-10-11 20:40:36,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:40:36,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:40:36,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:40:36,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:40:36,825 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:40:36,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2024-10-11 20:40:38,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:40:38,387 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:40:38,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2024-10-11 20:40:38,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0076142e5/a333180059de44ef827c3053a0cc5f0e/FLAG192a52c7c [2024-10-11 20:40:38,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0076142e5/a333180059de44ef827c3053a0cc5f0e [2024-10-11 20:40:38,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:40:38,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:40:38,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:40:38,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:40:38,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:40:38,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffd3580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38, skipping insertion in model container [2024-10-11 20:40:38,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:40:38,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:40:38,670 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:40:38,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:40:38,705 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:40:38,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38 WrapperNode [2024-10-11 20:40:38,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:40:38,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:40:38,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:40:38,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:40:38,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,741 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-10-11 20:40:38,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:40:38,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:40:38,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:40:38,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:40:38,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,768 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]. [2024-10-11 20:40:38,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:40:38,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:40:38,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:40:38,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:40:38,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (1/1) ... [2024-10-11 20:40:38,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:40:38,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:38,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:40:38,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:40:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:40:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:40:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:40:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:40:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:40:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:40:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:40:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:40:38,942 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:40:38,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:40:39,698 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-10-11 20:40:39,699 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:40:39,724 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:40:39,725 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:40:39,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:40:39 BoogieIcfgContainer [2024-10-11 20:40:39,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:40:39,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:40:39,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:40:39,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:40:39,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:40:38" (1/3) ... [2024-10-11 20:40:39,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bcecf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:40:39, skipping insertion in model container [2024-10-11 20:40:39,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:38" (2/3) ... [2024-10-11 20:40:39,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bcecf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:40:39, skipping insertion in model container [2024-10-11 20:40:39,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:40:39" (3/3) ... [2024-10-11 20:40:39,734 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound2.c [2024-10-11 20:40:39,750 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:40:39,750 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-11 20:40:39,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:40:39,835 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;@12cb530, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:40:39,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-11 20:40:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:40:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:40:39,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:39,851 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:39,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:39,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:39,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1649939746, now seen corresponding path program 1 times [2024-10-11 20:40:39,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:39,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210867643] [2024-10-11 20:40:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:39,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:40,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210867643] [2024-10-11 20:40:40,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210867643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:40,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:40,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:40,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063153355] [2024-10-11 20:40:40,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:40,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:40:40,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:40,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:40:40,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:40:40,054 INFO L87 Difference]: Start difference. First operand has 141 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:40:40,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:40,096 INFO L93 Difference]: Finished difference Result 280 states and 312 transitions. [2024-10-11 20:40:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:40:40,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-11 20:40:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:40,105 INFO L225 Difference]: With dead ends: 280 [2024-10-11 20:40:40,105 INFO L226 Difference]: Without dead ends: 138 [2024-10-11 20:40:40,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:40:40,111 INFO L432 NwaCegarLoop]: 148 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, 148 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 [2024-10-11 20:40:40,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-11 20:40:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-11 20:40:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 70 states have (on average 1.8571428571428572) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:40:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-10-11 20:40:40,156 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 14 [2024-10-11 20:40:40,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:40,157 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-10-11 20:40:40,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:40:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-10-11 20:40:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:40:40,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:40,159 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:40,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:40:40,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:40,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:40,161 INFO L85 PathProgramCache]: Analyzing trace with hash -891616866, now seen corresponding path program 1 times [2024-10-11 20:40:40,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:40,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372485013] [2024-10-11 20:40:40,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:40,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:40,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372485013] [2024-10-11 20:40:40,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372485013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:40,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:40,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:40,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732304541] [2024-10-11 20:40:40,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:40,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:40,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:40,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:40,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:40,357 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-11 20:40:40,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:40,423 INFO L93 Difference]: Finished difference Result 203 states and 213 transitions. [2024-10-11 20:40:40,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:40,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 14 [2024-10-11 20:40:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:40,426 INFO L225 Difference]: With dead ends: 203 [2024-10-11 20:40:40,426 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 20:40:40,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:40:40,428 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:40,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 413 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 20:40:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-11 20:40:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 74 states have (on average 1.8108108108108107) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:40:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-10-11 20:40:40,446 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 14 [2024-10-11 20:40:40,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:40,448 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-10-11 20:40:40,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-11 20:40:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-10-11 20:40:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:40:40,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:40,449 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:40,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:40:40,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:40,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2080252688, now seen corresponding path program 1 times [2024-10-11 20:40:40,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:40,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392112551] [2024-10-11 20:40:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:40,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141180691] [2024-10-11 20:40:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:40,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:40,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:40,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:40:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:40:40,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:40,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:40,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:40,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392112551] [2024-10-11 20:40:40,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:40,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141180691] [2024-10-11 20:40:40,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141180691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:40,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:40,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:40,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815131926] [2024-10-11 20:40:40,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:40,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:40,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:40,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:40,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:40,644 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-11 20:40:40,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:40,987 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-10-11 20:40:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 17 [2024-10-11 20:40:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:40,989 INFO L225 Difference]: With dead ends: 226 [2024-10-11 20:40:40,990 INFO L226 Difference]: Without dead ends: 222 [2024-10-11 20:40:40,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:40,991 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 73 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:40,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 164 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:40,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-11 20:40:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-10-11 20:40:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 107 states have (on average 1.8317757009345794) internal successors, (196), 164 states have internal predecessors, (196), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 20:40:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-10-11 20:40:41,006 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 17 [2024-10-11 20:40:41,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:41,007 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-10-11 20:40:41,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-11 20:40:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-10-11 20:40:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 20:40:41,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:41,008 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:41,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:40:41,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:41,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:41,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:41,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1963038830, now seen corresponding path program 1 times [2024-10-11 20:40:41,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:41,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119165703] [2024-10-11 20:40:41,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384137418] [2024-10-11 20:40:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:41,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:41,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:41,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:40:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:41,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:40:41,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:41,309 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:41,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:41,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119165703] [2024-10-11 20:40:41,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:41,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384137418] [2024-10-11 20:40:41,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384137418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:41,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:41,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:41,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903097019] [2024-10-11 20:40:41,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:41,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:41,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:41,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:41,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:41,311 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-10-11 20:40:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:41,577 INFO L93 Difference]: Finished difference Result 286 states and 352 transitions. [2024-10-11 20:40:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:41,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-10-11 20:40:41,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:41,579 INFO L225 Difference]: With dead ends: 286 [2024-10-11 20:40:41,579 INFO L226 Difference]: Without dead ends: 278 [2024-10-11 20:40:41,579 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 [2024-10-11 20:40:41,580 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 87 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:41,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 229 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:41,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-10-11 20:40:41,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 236. [2024-10-11 20:40:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 157 states have (on average 1.7898089171974523) internal successors, (281), 214 states have internal predecessors, (281), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 20:40:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 319 transitions. [2024-10-11 20:40:41,607 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 319 transitions. Word has length 19 [2024-10-11 20:40:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:41,607 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 319 transitions. [2024-10-11 20:40:41,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-10-11 20:40:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 319 transitions. [2024-10-11 20:40:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 20:40:41,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:41,612 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:41,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:41,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:41,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:41,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash -989670860, now seen corresponding path program 1 times [2024-10-11 20:40:41,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:41,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256119902] [2024-10-11 20:40:41,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:41,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:41,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074565137] [2024-10-11 20:40:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:41,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:41,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:41,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:40:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:41,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:40:41,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:41,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:41,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:41,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256119902] [2024-10-11 20:40:41,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:41,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074565137] [2024-10-11 20:40:41,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074565137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:41,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:41,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:41,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474204830] [2024-10-11 20:40:41,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:41,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:41,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:41,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:41,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:41,998 INFO L87 Difference]: Start difference. First operand 236 states and 319 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, (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) [2024-10-11 20:40:42,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:42,286 INFO L93 Difference]: Finished difference Result 272 states and 338 transitions. [2024-10-11 20:40:42,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:42,286 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, (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 21 [2024-10-11 20:40:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:42,288 INFO L225 Difference]: With dead ends: 272 [2024-10-11 20:40:42,288 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 20:40:42,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:42,289 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 64 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:42,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 150 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 20:40:42,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 202. [2024-10-11 20:40:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 128 states have (on average 1.7109375) internal successors, (219), 185 states have internal predecessors, (219), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:40:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 247 transitions. [2024-10-11 20:40:42,300 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 247 transitions. Word has length 21 [2024-10-11 20:40:42,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:42,301 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 247 transitions. [2024-10-11 20:40:42,301 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, (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) [2024-10-11 20:40:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 247 transitions. [2024-10-11 20:40:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:40:42,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:42,302 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:42,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:42,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:42,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:42,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:42,504 INFO L85 PathProgramCache]: Analyzing trace with hash -749701369, now seen corresponding path program 1 times [2024-10-11 20:40:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:42,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861397996] [2024-10-11 20:40:42,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:42,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549569502] [2024-10-11 20:40:42,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:42,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:42,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:42,538 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:42,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:40:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:42,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:40:42,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:42,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:42,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:42,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861397996] [2024-10-11 20:40:42,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:42,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549569502] [2024-10-11 20:40:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549569502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:42,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:42,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591351606] [2024-10-11 20:40:42,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:42,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:42,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:42,617 INFO L87 Difference]: Start difference. First operand 202 states and 247 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:42,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:42,940 INFO L93 Difference]: Finished difference Result 368 states and 471 transitions. [2024-10-11 20:40:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:42,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-10-11 20:40:42,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:42,943 INFO L225 Difference]: With dead ends: 368 [2024-10-11 20:40:42,943 INFO L226 Difference]: Without dead ends: 360 [2024-10-11 20:40:42,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:42,944 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 87 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:42,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 232 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:42,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-11 20:40:42,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 283. [2024-10-11 20:40:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.7) internal successors, (340), 257 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 386 transitions. [2024-10-11 20:40:42,957 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 386 transitions. Word has length 28 [2024-10-11 20:40:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:42,958 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 386 transitions. [2024-10-11 20:40:42,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 386 transitions. [2024-10-11 20:40:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:40:42,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:42,959 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:42,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:43,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-11 20:40:43,163 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:43,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1091492233, now seen corresponding path program 1 times [2024-10-11 20:40:43,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:43,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236398315] [2024-10-11 20:40:43,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:43,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:43,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90138444] [2024-10-11 20:40:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:43,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:43,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:43,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:40:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:43,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:43,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:43,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:43,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:43,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236398315] [2024-10-11 20:40:43,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:43,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90138444] [2024-10-11 20:40:43,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90138444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:43,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:43,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:43,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129741330] [2024-10-11 20:40:43,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:43,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:43,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:43,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:43,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:43,334 INFO L87 Difference]: Start difference. First operand 283 states and 386 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:43,752 INFO L93 Difference]: Finished difference Result 338 states and 451 transitions. [2024-10-11 20:40:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:43,752 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-10-11 20:40:43,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:43,754 INFO L225 Difference]: With dead ends: 338 [2024-10-11 20:40:43,754 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 20:40:43,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:43,755 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 180 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:43,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 166 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:40:43,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 20:40:43,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2024-10-11 20:40:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.68) internal successors, (336), 257 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 382 transitions. [2024-10-11 20:40:43,772 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 382 transitions. Word has length 30 [2024-10-11 20:40:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:43,772 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 382 transitions. [2024-10-11 20:40:43,773 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 382 transitions. [2024-10-11 20:40:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 20:40:43,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:43,774 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:43,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:40:43,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:43,978 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:43,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash -523479075, now seen corresponding path program 1 times [2024-10-11 20:40:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:43,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901887024] [2024-10-11 20:40:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:43,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:43,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150171953] [2024-10-11 20:40:43,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:44,000 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:44,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:40:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:44,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:44,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:44,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901887024] [2024-10-11 20:40:44,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150171953] [2024-10-11 20:40:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150171953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:44,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:44,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497260769] [2024-10-11 20:40:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:44,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:44,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:44,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:44,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:44,133 INFO L87 Difference]: Start difference. First operand 283 states and 382 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:44,498 INFO L93 Difference]: Finished difference Result 338 states and 447 transitions. [2024-10-11 20:40:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:44,499 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-11 20:40:44,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:44,501 INFO L225 Difference]: With dead ends: 338 [2024-10-11 20:40:44,501 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 20:40:44,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:44,502 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 179 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:44,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 160 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:44,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 20:40:44,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2024-10-11 20:40:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.66) internal successors, (332), 257 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 378 transitions. [2024-10-11 20:40:44,518 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 378 transitions. Word has length 31 [2024-10-11 20:40:44,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:44,519 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 378 transitions. [2024-10-11 20:40:44,519 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 378 transitions. [2024-10-11 20:40:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:40:44,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:44,520 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:44,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:40:44,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:40:44,725 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:44,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:44,725 INFO L85 PathProgramCache]: Analyzing trace with hash 952017931, now seen corresponding path program 1 times [2024-10-11 20:40:44,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:44,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061118370] [2024-10-11 20:40:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:44,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:44,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438524444] [2024-10-11 20:40:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:44,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:44,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:44,742 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:44,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:40:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:44,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:44,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:44,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:44,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:44,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061118370] [2024-10-11 20:40:44,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:44,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438524444] [2024-10-11 20:40:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438524444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:44,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:44,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439594798] [2024-10-11 20:40:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:44,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:44,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:44,859 INFO L87 Difference]: Start difference. First operand 283 states and 378 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:45,833 INFO L93 Difference]: Finished difference Result 358 states and 451 transitions. [2024-10-11 20:40:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:45,834 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-10-11 20:40:45,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:45,836 INFO L225 Difference]: With dead ends: 358 [2024-10-11 20:40:45,836 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 20:40:45,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:45,837 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 150 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:45,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 192 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:40:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 20:40:45,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 284. [2024-10-11 20:40:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 258 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 376 transitions. [2024-10-11 20:40:45,855 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 376 transitions. Word has length 32 [2024-10-11 20:40:45,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:45,855 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 376 transitions. [2024-10-11 20:40:45,855 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2024-10-11 20:40:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:40:45,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:45,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:45,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:40:46,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:46,061 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:46,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:46,061 INFO L85 PathProgramCache]: Analyzing trace with hash -552215137, now seen corresponding path program 1 times [2024-10-11 20:40:46,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:46,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419013705] [2024-10-11 20:40:46,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:46,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:46,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399841229] [2024-10-11 20:40:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:46,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:46,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:46,079 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:46,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:40:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:46,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:46,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:46,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:46,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:46,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419013705] [2024-10-11 20:40:46,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:46,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399841229] [2024-10-11 20:40:46,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399841229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:46,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:46,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199635799] [2024-10-11 20:40:46,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:46,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:46,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:46,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:46,261 INFO L87 Difference]: Start difference. First operand 284 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:47,608 INFO L93 Difference]: Finished difference Result 358 states and 447 transitions. [2024-10-11 20:40:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-10-11 20:40:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:47,610 INFO L225 Difference]: With dead ends: 358 [2024-10-11 20:40:47,610 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 20:40:47,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:47,611 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 91 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:47,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 244 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:40:47,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 20:40:47,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 285. [2024-10-11 20:40:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 259 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:47,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 374 transitions. [2024-10-11 20:40:47,624 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 374 transitions. Word has length 33 [2024-10-11 20:40:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:47,625 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 374 transitions. [2024-10-11 20:40:47,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 374 transitions. [2024-10-11 20:40:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:40:47,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:47,626 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:47,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:40:47,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:40:47,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:47,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1173963144, now seen corresponding path program 1 times [2024-10-11 20:40:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:47,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524455453] [2024-10-11 20:40:47,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:47,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:47,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119475537] [2024-10-11 20:40:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:47,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:47,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:47,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:40:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:47,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:47,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:47,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:47,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524455453] [2024-10-11 20:40:47,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119475537] [2024-10-11 20:40:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119475537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:47,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:47,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:47,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452255486] [2024-10-11 20:40:47,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:47,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:47,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:47,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:47,996 INFO L87 Difference]: Start difference. First operand 285 states and 374 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:48,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:48,292 INFO L93 Difference]: Finished difference Result 309 states and 393 transitions. [2024-10-11 20:40:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:48,294 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-10-11 20:40:48,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:48,296 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:40:48,296 INFO L226 Difference]: Without dead ends: 307 [2024-10-11 20:40:48,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:48,297 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 202 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:48,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 175 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:48,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-11 20:40:48,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 286. [2024-10-11 20:40:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 203 states have (on average 1.6108374384236452) internal successors, (327), 260 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 373 transitions. [2024-10-11 20:40:48,310 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 373 transitions. Word has length 41 [2024-10-11 20:40:48,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:48,312 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 373 transitions. [2024-10-11 20:40:48,312 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 373 transitions. [2024-10-11 20:40:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:40:48,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:48,313 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:48,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:48,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:48,514 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:48,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:48,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2033119179, now seen corresponding path program 1 times [2024-10-11 20:40:48,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:48,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128057943] [2024-10-11 20:40:48,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:48,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664017522] [2024-10-11 20:40:48,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:48,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:48,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:48,540 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:48,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:40:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:48,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:48,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:48,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:48,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128057943] [2024-10-11 20:40:48,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:48,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664017522] [2024-10-11 20:40:48,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664017522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:48,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:48,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:48,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256938368] [2024-10-11 20:40:48,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:48,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:48,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:48,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:48,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:48,679 INFO L87 Difference]: Start difference. First operand 286 states and 373 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:48,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:48,991 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2024-10-11 20:40:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:48,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-10-11 20:40:48,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:48,994 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:40:48,994 INFO L226 Difference]: Without dead ends: 307 [2024-10-11 20:40:48,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:48,995 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 163 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:48,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 188 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:48,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-11 20:40:49,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 287. [2024-10-11 20:40:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 261 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 372 transitions. [2024-10-11 20:40:49,008 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 372 transitions. Word has length 42 [2024-10-11 20:40:49,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:49,008 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 372 transitions. [2024-10-11 20:40:49,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 372 transitions. [2024-10-11 20:40:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:40:49,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:49,010 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:49,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:49,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:40:49,211 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:49,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1397814806, now seen corresponding path program 1 times [2024-10-11 20:40:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:49,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184078252] [2024-10-11 20:40:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:49,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734591751] [2024-10-11 20:40:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:49,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:49,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:49,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:49,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:40:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:49,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:49,315 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:49,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:49,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184078252] [2024-10-11 20:40:49,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:49,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734591751] [2024-10-11 20:40:49,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734591751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:49,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:49,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:49,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643304162] [2024-10-11 20:40:49,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:49,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:49,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:49,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:49,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:49,318 INFO L87 Difference]: Start difference. First operand 287 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:50,187 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2024-10-11 20:40:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:50,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-10-11 20:40:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:50,189 INFO L225 Difference]: With dead ends: 317 [2024-10-11 20:40:50,189 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 20:40:50,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:50,190 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 83 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:50,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 283 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:40:50,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 20:40:50,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2024-10-11 20:40:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 205 states have (on average 1.5853658536585367) internal successors, (325), 262 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 371 transitions. [2024-10-11 20:40:50,216 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 371 transitions. Word has length 43 [2024-10-11 20:40:50,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:50,217 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 371 transitions. [2024-10-11 20:40:50,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 371 transitions. [2024-10-11 20:40:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:40:50,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:50,221 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:50,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:50,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:40:50,426 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:50,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash -382585939, now seen corresponding path program 1 times [2024-10-11 20:40:50,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:50,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464118671] [2024-10-11 20:40:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:50,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320040657] [2024-10-11 20:40:50,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:50,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:50,441 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:50,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:40:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:50,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:50,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:50,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:50,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464118671] [2024-10-11 20:40:50,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:50,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320040657] [2024-10-11 20:40:50,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320040657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:50,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:50,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:50,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968207691] [2024-10-11 20:40:50,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:50,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:50,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:50,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:50,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:50,615 INFO L87 Difference]: Start difference. First operand 288 states and 371 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:51,430 INFO L93 Difference]: Finished difference Result 317 states and 376 transitions. [2024-10-11 20:40:51,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:51,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-10-11 20:40:51,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:51,432 INFO L225 Difference]: With dead ends: 317 [2024-10-11 20:40:51,432 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 20:40:51,432 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 [2024-10-11 20:40:51,432 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 135 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:51,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 224 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:40:51,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 20:40:51,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 289. [2024-10-11 20:40:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 206 states have (on average 1.5728155339805825) internal successors, (324), 263 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 370 transitions. [2024-10-11 20:40:51,447 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 370 transitions. Word has length 44 [2024-10-11 20:40:51,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:51,447 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 370 transitions. [2024-10-11 20:40:51,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 370 transitions. [2024-10-11 20:40:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:40:51,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:51,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:51,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:40:51,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:40:51,654 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:51,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:51,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1889396222, now seen corresponding path program 1 times [2024-10-11 20:40:51,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:51,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386143226] [2024-10-11 20:40:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:51,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:51,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386143226] [2024-10-11 20:40:51,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386143226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:51,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:51,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24793117] [2024-10-11 20:40:51,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:51,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:51,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:51,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:51,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:51,715 INFO L87 Difference]: Start difference. First operand 289 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:40:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:51,773 INFO L93 Difference]: Finished difference Result 380 states and 487 transitions. [2024-10-11 20:40:51,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:51,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-10-11 20:40:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:51,775 INFO L225 Difference]: With dead ends: 380 [2024-10-11 20:40:51,775 INFO L226 Difference]: Without dead ends: 378 [2024-10-11 20:40:51,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:51,776 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 46 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 295 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 [2024-10-11 20:40:51,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 295 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-11 20:40:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-10-11 20:40:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 209 states have (on average 1.5502392344497609) internal successors, (324), 265 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 370 transitions. [2024-10-11 20:40:51,791 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 370 transitions. Word has length 51 [2024-10-11 20:40:51,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:51,791 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 370 transitions. [2024-10-11 20:40:51,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:40:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 370 transitions. [2024-10-11 20:40:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 20:40:51,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:51,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:51,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:40:51,794 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:51,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:51,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1558259392, now seen corresponding path program 1 times [2024-10-11 20:40:51,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:51,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427923682] [2024-10-11 20:40:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:51,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:51,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427923682] [2024-10-11 20:40:51,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427923682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:51,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:51,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222541418] [2024-10-11 20:40:51,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:51,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:51,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:51,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:51,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:51,873 INFO L87 Difference]: Start difference. First operand 291 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-10-11 20:40:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:51,925 INFO L93 Difference]: Finished difference Result 379 states and 481 transitions. [2024-10-11 20:40:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:51,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 52 [2024-10-11 20:40:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:51,927 INFO L225 Difference]: With dead ends: 379 [2024-10-11 20:40:51,927 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 20:40:51,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:51,928 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:51,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 295 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 20:40:51,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-10-11 20:40:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5188679245283019) internal successors, (322), 267 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2024-10-11 20:40:51,944 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 52 [2024-10-11 20:40:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:51,944 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2024-10-11 20:40:51,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-10-11 20:40:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2024-10-11 20:40:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:40:51,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:51,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:51,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:40:51,945 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:51,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:51,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1061442736, now seen corresponding path program 1 times [2024-10-11 20:40:51,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:51,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769148964] [2024-10-11 20:40:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:52,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:52,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769148964] [2024-10-11 20:40:52,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769148964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:52,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:52,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:52,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654488815] [2024-10-11 20:40:52,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:52,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:52,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:52,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:52,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:52,056 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:52,964 INFO L93 Difference]: Finished difference Result 378 states and 473 transitions. [2024-10-11 20:40:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:52,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-10-11 20:40:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:52,966 INFO L225 Difference]: With dead ends: 378 [2024-10-11 20:40:52,967 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 20:40:52,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:40:52,968 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 171 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:52,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 188 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:40:52,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 20:40:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-10-11 20:40:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5141509433962264) internal successors, (321), 267 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 367 transitions. [2024-10-11 20:40:52,983 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 367 transitions. Word has length 53 [2024-10-11 20:40:52,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:52,984 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 367 transitions. [2024-10-11 20:40:52,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 367 transitions. [2024-10-11 20:40:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:40:52,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:52,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:52,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:40:52,986 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:52,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1061428834, now seen corresponding path program 1 times [2024-10-11 20:40:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:52,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777275245] [2024-10-11 20:40:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:53,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:53,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777275245] [2024-10-11 20:40:53,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777275245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:53,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:53,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:53,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894329586] [2024-10-11 20:40:53,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:53,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:53,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:53,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:53,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:53,109 INFO L87 Difference]: Start difference. First operand 293 states and 367 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:53,813 INFO L93 Difference]: Finished difference Result 380 states and 475 transitions. [2024-10-11 20:40:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-10-11 20:40:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:53,815 INFO L225 Difference]: With dead ends: 380 [2024-10-11 20:40:53,815 INFO L226 Difference]: Without dead ends: 379 [2024-10-11 20:40:53,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:40:53,816 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 171 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:53,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 188 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:40:53,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-11 20:40:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-10-11 20:40:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 369 transitions. [2024-10-11 20:40:53,835 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 369 transitions. Word has length 53 [2024-10-11 20:40:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:53,835 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 369 transitions. [2024-10-11 20:40:53,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 369 transitions. [2024-10-11 20:40:53,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 20:40:53,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:53,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:53,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 20:40:53,838 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:53,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:53,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1891430278, now seen corresponding path program 1 times [2024-10-11 20:40:53,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:53,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376121424] [2024-10-11 20:40:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:53,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:53,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:53,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376121424] [2024-10-11 20:40:53,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376121424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:53,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:53,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847603809] [2024-10-11 20:40:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:53,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:53,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:53,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:53,938 INFO L87 Difference]: Start difference. First operand 295 states and 369 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:54,197 INFO L93 Difference]: Finished difference Result 356 states and 437 transitions. [2024-10-11 20:40:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:54,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-11 20:40:54,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:54,200 INFO L225 Difference]: With dead ends: 356 [2024-10-11 20:40:54,200 INFO L226 Difference]: Without dead ends: 352 [2024-10-11 20:40:54,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:54,201 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:54,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 153 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:40:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-11 20:40:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 305. [2024-10-11 20:40:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 224 states have (on average 1.4910714285714286) internal successors, (334), 279 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2024-10-11 20:40:54,220 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 56 [2024-10-11 20:40:54,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:54,220 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2024-10-11 20:40:54,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2024-10-11 20:40:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:40:54,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:54,221 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:54,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 20:40:54,222 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:54,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:54,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1923574198, now seen corresponding path program 1 times [2024-10-11 20:40:54,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:54,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738181502] [2024-10-11 20:40:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:54,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:54,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:54,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738181502] [2024-10-11 20:40:54,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738181502] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:54,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210989729] [2024-10-11 20:40:54,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:54,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:54,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:54,409 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:54,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:40:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:54,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:54,543 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:54,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210989729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:54,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:54,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:40:54,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357477421] [2024-10-11 20:40:54,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:54,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:40:54,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:54,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:40:54,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:54,545 INFO L87 Difference]: Start difference. First operand 305 states and 380 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:54,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:54,573 INFO L93 Difference]: Finished difference Result 305 states and 380 transitions. [2024-10-11 20:40:54,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:54,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-11 20:40:54,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:54,575 INFO L225 Difference]: With dead ends: 305 [2024-10-11 20:40:54,575 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 20:40:54,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:40:54,576 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 108 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:54,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 272 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:54,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 20:40:54,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-11 20:40:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 224 states have (on average 1.4776785714285714) internal successors, (331), 278 states have internal predecessors, (331), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 377 transitions. [2024-10-11 20:40:54,591 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 377 transitions. Word has length 59 [2024-10-11 20:40:54,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:54,591 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 377 transitions. [2024-10-11 20:40:54,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 377 transitions. [2024-10-11 20:40:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 20:40:54,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:54,592 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:54,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:40:54,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:54,793 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:54,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:54,793 INFO L85 PathProgramCache]: Analyzing trace with hash -498741962, now seen corresponding path program 1 times [2024-10-11 20:40:54,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:54,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510530046] [2024-10-11 20:40:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:54,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:54,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510530046] [2024-10-11 20:40:54,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510530046] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:54,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079096067] [2024-10-11 20:40:54,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:54,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:54,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:54,902 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:54,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:40:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:54,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:55,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:55,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079096067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:55,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:55,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:40:55,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56281053] [2024-10-11 20:40:55,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:55,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:40:55,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:55,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:40:55,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:55,033 INFO L87 Difference]: Start difference. First operand 304 states and 377 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:55,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:55,104 INFO L93 Difference]: Finished difference Result 396 states and 485 transitions. [2024-10-11 20:40:55,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:55,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-11 20:40:55,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:55,106 INFO L225 Difference]: With dead ends: 396 [2024-10-11 20:40:55,106 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:40:55,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:40:55,107 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 103 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:55,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 608 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:55,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:40:55,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 357. [2024-10-11 20:40:55,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 269 states have (on average 1.483271375464684) internal successors, (399), 324 states have internal predecessors, (399), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 20:40:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 461 transitions. [2024-10-11 20:40:55,127 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 461 transitions. Word has length 60 [2024-10-11 20:40:55,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:55,128 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 461 transitions. [2024-10-11 20:40:55,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 461 transitions. [2024-10-11 20:40:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:40:55,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:55,129 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:55,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:40:55,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 20:40:55,333 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:55,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:55,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1745313255, now seen corresponding path program 1 times [2024-10-11 20:40:55,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:55,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594139659] [2024-10-11 20:40:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:55,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:55,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594139659] [2024-10-11 20:40:55,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594139659] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:55,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305343757] [2024-10-11 20:40:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:55,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:55,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:55,448 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:55,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:40:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:40:55,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:55,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:55,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305343757] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:40:55,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:40:55,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-10-11 20:40:55,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761396115] [2024-10-11 20:40:55,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:55,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:40:55,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:55,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:40:55,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:40:55,687 INFO L87 Difference]: Start difference. First operand 357 states and 461 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 20:40:55,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:55,769 INFO L93 Difference]: Finished difference Result 479 states and 593 transitions. [2024-10-11 20:40:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:40:55,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 62 [2024-10-11 20:40:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:55,774 INFO L225 Difference]: With dead ends: 479 [2024-10-11 20:40:55,774 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:40:55,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:40:55,777 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 55 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:55,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 520 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:55,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:40:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 383. [2024-10-11 20:40:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 292 states have (on average 1.452054794520548) internal successors, (424), 348 states have internal predecessors, (424), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:40:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 490 transitions. [2024-10-11 20:40:55,805 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 490 transitions. Word has length 62 [2024-10-11 20:40:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:55,805 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 490 transitions. [2024-10-11 20:40:55,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 20:40:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 490 transitions. [2024-10-11 20:40:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:40:55,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:55,806 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:55,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:56,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:56,007 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:56,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1745313240, now seen corresponding path program 1 times [2024-10-11 20:40:56,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:56,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970361358] [2024-10-11 20:40:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:56,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:56,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046245128] [2024-10-11 20:40:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:56,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:56,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:56,021 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:56,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:40:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:56,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:40:56,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:56,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:56,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970361358] [2024-10-11 20:40:56,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046245128] [2024-10-11 20:40:56,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046245128] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:56,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:56,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:40:56,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902196551] [2024-10-11 20:40:56,420 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:56,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:56,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:56,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:56,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:56,423 INFO L87 Difference]: Start difference. First operand 383 states and 490 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:56,964 INFO L93 Difference]: Finished difference Result 421 states and 539 transitions. [2024-10-11 20:40:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:56,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 62 [2024-10-11 20:40:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:56,968 INFO L225 Difference]: With dead ends: 421 [2024-10-11 20:40:56,968 INFO L226 Difference]: Without dead ends: 419 [2024-10-11 20:40:56,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:56,969 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 39 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:56,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 204 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:40:56,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-11 20:40:56,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 385. [2024-10-11 20:40:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 294 states have (on average 1.445578231292517) internal successors, (425), 350 states have internal predecessors, (425), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:40:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 491 transitions. [2024-10-11 20:40:57,000 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 491 transitions. Word has length 62 [2024-10-11 20:40:57,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:57,001 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 491 transitions. [2024-10-11 20:40:57,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 491 transitions. [2024-10-11 20:40:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:40:57,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:57,002 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:57,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:57,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 20:40:57,207 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:57,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:57,207 INFO L85 PathProgramCache]: Analyzing trace with hash 830797341, now seen corresponding path program 1 times [2024-10-11 20:40:57,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:57,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992539931] [2024-10-11 20:40:57,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:57,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:40:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 20:40:57,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992539931] [2024-10-11 20:40:57,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992539931] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368249575] [2024-10-11 20:40:57,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:57,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:57,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:57,338 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:57,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:40:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:40:57,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:40:57,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:57,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368249575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:57,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:57,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:40:57,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775633819] [2024-10-11 20:40:57,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:57,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:57,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:57,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:40:57,619 INFO L87 Difference]: Start difference. First operand 385 states and 491 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:40:58,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:58,397 INFO L93 Difference]: Finished difference Result 426 states and 551 transitions. [2024-10-11 20:40:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:58,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2024-10-11 20:40:58,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:58,400 INFO L225 Difference]: With dead ends: 426 [2024-10-11 20:40:58,400 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 20:40:58,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:58,402 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 88 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:58,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 143 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:40:58,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 20:40:58,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 385. [2024-10-11 20:40:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 294 states have (on average 1.4387755102040816) internal successors, (423), 350 states have internal predecessors, (423), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:40:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 489 transitions. [2024-10-11 20:40:58,429 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 489 transitions. Word has length 64 [2024-10-11 20:40:58,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:58,429 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 489 transitions. [2024-10-11 20:40:58,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:40:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 489 transitions. [2024-10-11 20:40:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:40:58,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:58,431 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:58,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:40:58,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:58,631 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:58,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:58,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1729864355, now seen corresponding path program 1 times [2024-10-11 20:40:58,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:58,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438515677] [2024-10-11 20:40:58,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:58,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:58,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141368163] [2024-10-11 20:40:58,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:58,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:58,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:58,650 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:58,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:40:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:58,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:40:58,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:58,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:59,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438515677] [2024-10-11 20:40:59,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141368163] [2024-10-11 20:40:59,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141368163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:59,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:59,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:40:59,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347815626] [2024-10-11 20:40:59,480 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:59,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:59,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:59,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:59,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:59,481 INFO L87 Difference]: Start difference. First operand 385 states and 489 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-10-11 20:41:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:00,015 INFO L93 Difference]: Finished difference Result 421 states and 534 transitions. [2024-10-11 20:41:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:41:00,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 63 [2024-10-11 20:41:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:00,017 INFO L225 Difference]: With dead ends: 421 [2024-10-11 20:41:00,017 INFO L226 Difference]: Without dead ends: 419 [2024-10-11 20:41:00,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:41:00,018 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 39 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:00,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 197 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-11 20:41:00,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 387. [2024-10-11 20:41:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.4324324324324325) internal successors, (424), 352 states have internal predecessors, (424), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:41:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 490 transitions. [2024-10-11 20:41:00,040 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 490 transitions. Word has length 63 [2024-10-11 20:41:00,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:00,041 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 490 transitions. [2024-10-11 20:41:00,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-10-11 20:41:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 490 transitions. [2024-10-11 20:41:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 20:41:00,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:00,041 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:00,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:41:00,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:41:00,250 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:00,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:00,250 INFO L85 PathProgramCache]: Analyzing trace with hash -15086058, now seen corresponding path program 1 times [2024-10-11 20:41:00,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:00,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627615001] [2024-10-11 20:41:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:00,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:41:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:00,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:00,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627615001] [2024-10-11 20:41:00,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627615001] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:00,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486928339] [2024-10-11 20:41:00,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:00,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:00,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:00,416 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:00,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:41:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:41:00,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:41:00,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:41:00,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486928339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:41:00,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:00,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-11 20:41:00,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608643040] [2024-10-11 20:41:00,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:00,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:41:00,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:00,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:41:00,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:00,670 INFO L87 Difference]: Start difference. First operand 387 states and 490 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:01,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:01,441 INFO L93 Difference]: Finished difference Result 426 states and 546 transitions. [2024-10-11 20:41:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:41:01,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2024-10-11 20:41:01,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:01,444 INFO L225 Difference]: With dead ends: 426 [2024-10-11 20:41:01,444 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 20:41:01,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:01,445 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 85 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:01,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 146 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:41:01,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 20:41:01,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2024-10-11 20:41:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.4256756756756757) internal successors, (422), 352 states have internal predecessors, (422), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:41:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 488 transitions. [2024-10-11 20:41:01,467 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 488 transitions. Word has length 65 [2024-10-11 20:41:01,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:01,468 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 488 transitions. [2024-10-11 20:41:01,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 488 transitions. [2024-10-11 20:41:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 20:41:01,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:01,470 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:01,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:41:01,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:01,670 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:01,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash 923639580, now seen corresponding path program 1 times [2024-10-11 20:41:01,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:01,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93115695] [2024-10-11 20:41:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:01,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145185192] [2024-10-11 20:41:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:01,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:01,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:01,689 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:01,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:41:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:01,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:41:01,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-11 20:41:01,826 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:41:01,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:01,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93115695] [2024-10-11 20:41:01,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:01,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145185192] [2024-10-11 20:41:01,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145185192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:41:01,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:41:01,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:41:01,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868602910] [2024-10-11 20:41:01,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:01,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:41:01,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:01,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:41:01,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:41:01,829 INFO L87 Difference]: Start difference. First operand 387 states and 488 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:41:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:02,298 INFO L93 Difference]: Finished difference Result 434 states and 529 transitions. [2024-10-11 20:41:02,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:41:02,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 66 [2024-10-11 20:41:02,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:02,300 INFO L225 Difference]: With dead ends: 434 [2024-10-11 20:41:02,300 INFO L226 Difference]: Without dead ends: 433 [2024-10-11 20:41:02,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:41:02,301 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 119 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:02,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 169 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:02,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-11 20:41:02,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 387. [2024-10-11 20:41:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.4222972972972974) internal successors, (421), 352 states have internal predecessors, (421), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:41:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 487 transitions. [2024-10-11 20:41:02,328 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 487 transitions. Word has length 66 [2024-10-11 20:41:02,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:02,328 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 487 transitions. [2024-10-11 20:41:02,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:41:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 487 transitions. [2024-10-11 20:41:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 20:41:02,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:02,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:02,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:41:02,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:41:02,535 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:02,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1431944031, now seen corresponding path program 1 times [2024-10-11 20:41:02,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:02,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463663758] [2024-10-11 20:41:02,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:02,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:02,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359164292] [2024-10-11 20:41:02,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:02,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:02,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:02,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:02,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:41:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:02,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:41:02,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:41:02,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:41:02,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:02,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463663758] [2024-10-11 20:41:02,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:02,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359164292] [2024-10-11 20:41:02,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359164292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:41:02,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:41:02,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:41:02,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48495622] [2024-10-11 20:41:02,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:02,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:41:02,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:02,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:41:02,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:41:02,757 INFO L87 Difference]: Start difference. First operand 387 states and 487 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:41:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:04,143 INFO L93 Difference]: Finished difference Result 436 states and 528 transitions. [2024-10-11 20:41:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:41:04,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 67 [2024-10-11 20:41:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:04,146 INFO L225 Difference]: With dead ends: 436 [2024-10-11 20:41:04,146 INFO L226 Difference]: Without dead ends: 433 [2024-10-11 20:41:04,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:41:04,147 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 80 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:04,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 221 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 20:41:04,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-11 20:41:04,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 393. [2024-10-11 20:41:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 302 states have (on average 1.4172185430463575) internal successors, (428), 358 states have internal predecessors, (428), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:41:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 494 transitions. [2024-10-11 20:41:04,187 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 494 transitions. Word has length 67 [2024-10-11 20:41:04,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:04,188 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 494 transitions. [2024-10-11 20:41:04,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:41:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 494 transitions. [2024-10-11 20:41:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 20:41:04,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:04,189 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:04,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:41:04,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:41:04,390 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:04,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1208303185, now seen corresponding path program 1 times [2024-10-11 20:41:04,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:04,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194294328] [2024-10-11 20:41:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:04,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:04,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811537614] [2024-10-11 20:41:04,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:04,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:04,408 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:04,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:41:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:04,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:04,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:04,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:06,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:06,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194294328] [2024-10-11 20:41:06,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:06,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811537614] [2024-10-11 20:41:06,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811537614] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:06,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:06,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:06,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518740833] [2024-10-11 20:41:06,075 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:06,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:06,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:06,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:06,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:06,076 INFO L87 Difference]: Start difference. First operand 393 states and 494 transitions. Second operand has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:06,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:06,566 INFO L93 Difference]: Finished difference Result 596 states and 779 transitions. [2024-10-11 20:41:06,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:41:06,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2024-10-11 20:41:06,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:06,569 INFO L225 Difference]: With dead ends: 596 [2024-10-11 20:41:06,570 INFO L226 Difference]: Without dead ends: 592 [2024-10-11 20:41:06,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:06,570 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 392 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:06,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 323 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:06,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-10-11 20:41:06,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 479. [2024-10-11 20:41:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 377 states have (on average 1.453580901856764) internal successors, (548), 434 states have internal predecessors, (548), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 20:41:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 636 transitions. [2024-10-11 20:41:06,623 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 636 transitions. Word has length 73 [2024-10-11 20:41:06,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:06,624 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 636 transitions. [2024-10-11 20:41:06,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 636 transitions. [2024-10-11 20:41:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:41:06,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:06,625 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 20:41:06,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:06,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:41:06,828 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:06,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:06,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1197306863, now seen corresponding path program 1 times [2024-10-11 20:41:06,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:06,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753749684] [2024-10-11 20:41:06,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:06,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300161600] [2024-10-11 20:41:06,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:06,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:06,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:06,852 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:06,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:41:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:06,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:06,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:07,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:07,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753749684] [2024-10-11 20:41:07,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300161600] [2024-10-11 20:41:07,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300161600] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:07,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:07,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:07,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086712958] [2024-10-11 20:41:07,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:07,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:07,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:07,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:07,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:07,830 INFO L87 Difference]: Start difference. First operand 479 states and 636 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:08,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:08,230 INFO L93 Difference]: Finished difference Result 501 states and 649 transitions. [2024-10-11 20:41:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:08,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-10-11 20:41:08,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:08,233 INFO L225 Difference]: With dead ends: 501 [2024-10-11 20:41:08,233 INFO L226 Difference]: Without dead ends: 495 [2024-10-11 20:41:08,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:08,234 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 199 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:08,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 394 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-11 20:41:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 473. [2024-10-11 20:41:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 377 states have (on average 1.4084880636604775) internal successors, (531), 428 states have internal predecessors, (531), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 20:41:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 619 transitions. [2024-10-11 20:41:08,281 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 619 transitions. Word has length 74 [2024-10-11 20:41:08,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:08,281 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 619 transitions. [2024-10-11 20:41:08,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 619 transitions. [2024-10-11 20:41:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:41:08,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:08,283 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 20:41:08,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:41:08,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:08,488 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:08,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:08,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1538192979, now seen corresponding path program 1 times [2024-10-11 20:41:08,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:08,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108670894] [2024-10-11 20:41:08,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:08,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225180984] [2024-10-11 20:41:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:08,502 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:08,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:41:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:08,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:41:08,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:08,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:09,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:09,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108670894] [2024-10-11 20:41:09,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:09,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225180984] [2024-10-11 20:41:09,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225180984] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:09,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:09,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:41:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110645909] [2024-10-11 20:41:09,048 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:09,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:41:09,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:41:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:09,049 INFO L87 Difference]: Start difference. First operand 473 states and 619 transitions. Second operand has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:10,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:10,026 INFO L93 Difference]: Finished difference Result 642 states and 872 transitions. [2024-10-11 20:41:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:41:10,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-10-11 20:41:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:10,030 INFO L225 Difference]: With dead ends: 642 [2024-10-11 20:41:10,030 INFO L226 Difference]: Without dead ends: 634 [2024-10-11 20:41:10,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:41:10,031 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 547 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:10,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 285 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:41:10,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-10-11 20:41:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 599. [2024-10-11 20:41:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 489 states have (on average 1.4580777096114519) internal successors, (713), 541 states have internal predecessors, (713), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-11 20:41:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 829 transitions. [2024-10-11 20:41:10,068 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 829 transitions. Word has length 75 [2024-10-11 20:41:10,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:10,068 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 829 transitions. [2024-10-11 20:41:10,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 829 transitions. [2024-10-11 20:41:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:41:10,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:10,070 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 20:41:10,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:10,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-11 20:41:10,271 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:10,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash 439342163, now seen corresponding path program 1 times [2024-10-11 20:41:10,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:10,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422643523] [2024-10-11 20:41:10,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:10,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066174884] [2024-10-11 20:41:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:10,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:10,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:10,284 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:10,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:41:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:10,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:41:10,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:10,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:11,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422643523] [2024-10-11 20:41:11,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066174884] [2024-10-11 20:41:11,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066174884] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:11,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:11,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:41:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802757113] [2024-10-11 20:41:11,395 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:11,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:41:11,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:11,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:41:11,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:11,396 INFO L87 Difference]: Start difference. First operand 599 states and 829 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:12,293 INFO L93 Difference]: Finished difference Result 718 states and 996 transitions. [2024-10-11 20:41:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:41:12,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-10-11 20:41:12,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:12,297 INFO L225 Difference]: With dead ends: 718 [2024-10-11 20:41:12,297 INFO L226 Difference]: Without dead ends: 716 [2024-10-11 20:41:12,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:41:12,298 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 493 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:12,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 309 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:41:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2024-10-11 20:41:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 642. [2024-10-11 20:41:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 527 states have (on average 1.4497153700189753) internal successors, (764), 579 states have internal predecessors, (764), 63 states have call successors, (63), 4 states have call predecessors, (63), 4 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 20:41:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 890 transitions. [2024-10-11 20:41:12,342 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 890 transitions. Word has length 76 [2024-10-11 20:41:12,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:12,342 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 890 transitions. [2024-10-11 20:41:12,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 890 transitions. [2024-10-11 20:41:12,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:41:12,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:12,343 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 20:41:12,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-11 20:41:12,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-11 20:41:12,548 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:12,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:12,548 INFO L85 PathProgramCache]: Analyzing trace with hash 734705237, now seen corresponding path program 1 times [2024-10-11 20:41:12,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:12,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497623970] [2024-10-11 20:41:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:12,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:12,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549658450] [2024-10-11 20:41:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:12,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:12,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:12,566 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:12,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:41:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:12,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:41:12,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:41:13,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:13,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:13,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497623970] [2024-10-11 20:41:13,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:13,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549658450] [2024-10-11 20:41:13,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549658450] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:13,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:13,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:41:13,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595089924] [2024-10-11 20:41:13,319 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:13,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:41:13,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:13,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:41:13,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:41:13,320 INFO L87 Difference]: Start difference. First operand 642 states and 890 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:14,799 INFO L93 Difference]: Finished difference Result 723 states and 991 transitions. [2024-10-11 20:41:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:41:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-10-11 20:41:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:14,802 INFO L225 Difference]: With dead ends: 723 [2024-10-11 20:41:14,803 INFO L226 Difference]: Without dead ends: 657 [2024-10-11 20:41:14,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:41:14,804 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 431 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:14,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 405 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:41:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-11 20:41:14,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 527. [2024-10-11 20:41:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 427 states have (on average 1.468384074941452) internal successors, (627), 477 states have internal predecessors, (627), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 20:41:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 723 transitions. [2024-10-11 20:41:14,840 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 723 transitions. Word has length 77 [2024-10-11 20:41:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:14,840 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 723 transitions. [2024-10-11 20:41:14,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 723 transitions. [2024-10-11 20:41:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:41:14,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:14,841 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:14,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:15,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:15,045 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:15,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:15,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1301025941, now seen corresponding path program 1 times [2024-10-11 20:41:15,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:15,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083410660] [2024-10-11 20:41:15,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:15,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:15,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1198247690] [2024-10-11 20:41:15,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:15,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:15,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:15,060 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:15,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:41:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:15,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:15,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:15,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:15,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:15,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083410660] [2024-10-11 20:41:15,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:15,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198247690] [2024-10-11 20:41:15,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198247690] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:15,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:15,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:15,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311980453] [2024-10-11 20:41:15,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:15,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:15,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:15,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:15,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:15,752 INFO L87 Difference]: Start difference. First operand 527 states and 723 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:16,882 INFO L93 Difference]: Finished difference Result 607 states and 835 transitions. [2024-10-11 20:41:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:16,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-10-11 20:41:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:16,885 INFO L225 Difference]: With dead ends: 607 [2024-10-11 20:41:16,885 INFO L226 Difference]: Without dead ends: 603 [2024-10-11 20:41:16,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:16,886 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 179 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:16,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 391 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:41:16,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-11 20:41:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 585. [2024-10-11 20:41:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 481 states have (on average 1.4573804573804574) internal successors, (701), 529 states have internal predecessors, (701), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-11 20:41:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 809 transitions. [2024-10-11 20:41:16,921 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 809 transitions. Word has length 78 [2024-10-11 20:41:16,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:16,921 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 809 transitions. [2024-10-11 20:41:16,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 809 transitions. [2024-10-11 20:41:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 20:41:16,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:16,922 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:41:16,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:41:17,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:17,123 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:17,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:17,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2045201422, now seen corresponding path program 1 times [2024-10-11 20:41:17,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:17,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003513301] [2024-10-11 20:41:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:17,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044271837] [2024-10-11 20:41:17,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:17,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:17,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:17,141 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:17,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:41:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:17,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:17,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-11 20:41:17,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:18,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:18,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003513301] [2024-10-11 20:41:18,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:18,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044271837] [2024-10-11 20:41:18,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044271837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:18,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:18,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:18,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126797981] [2024-10-11 20:41:18,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:18,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:18,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:18,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:18,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:18,918 INFO L87 Difference]: Start difference. First operand 585 states and 809 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:19,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:19,314 INFO L93 Difference]: Finished difference Result 925 states and 1330 transitions. [2024-10-11 20:41:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:41:19,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 84 [2024-10-11 20:41:19,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:19,317 INFO L225 Difference]: With dead ends: 925 [2024-10-11 20:41:19,317 INFO L226 Difference]: Without dead ends: 923 [2024-10-11 20:41:19,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:19,317 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 305 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:19,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 328 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-10-11 20:41:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 873. [2024-10-11 20:41:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 735 states have (on average 1.491156462585034) internal successors, (1096), 785 states have internal predecessors, (1096), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 83 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-11 20:41:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1272 transitions. [2024-10-11 20:41:19,382 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1272 transitions. Word has length 84 [2024-10-11 20:41:19,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:19,386 INFO L471 AbstractCegarLoop]: Abstraction has 873 states and 1272 transitions. [2024-10-11 20:41:19,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1272 transitions. [2024-10-11 20:41:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:41:19,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:19,387 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:41:19,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:19,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-11 20:41:19,588 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:19,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:19,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1023265279, now seen corresponding path program 1 times [2024-10-11 20:41:19,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:19,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594144872] [2024-10-11 20:41:19,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:19,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610836313] [2024-10-11 20:41:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:19,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:19,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:19,600 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:19,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:41:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:19,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:19,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-11 20:41:19,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:21,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:21,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594144872] [2024-10-11 20:41:21,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:21,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610836313] [2024-10-11 20:41:21,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610836313] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:21,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:21,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:21,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625035254] [2024-10-11 20:41:21,847 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:21,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:21,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:21,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:21,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:21,847 INFO L87 Difference]: Start difference. First operand 873 states and 1272 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:22,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:22,176 INFO L93 Difference]: Finished difference Result 878 states and 1272 transitions. [2024-10-11 20:41:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:22,177 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2024-10-11 20:41:22,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:22,179 INFO L225 Difference]: With dead ends: 878 [2024-10-11 20:41:22,179 INFO L226 Difference]: Without dead ends: 872 [2024-10-11 20:41:22,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-10-11 20:41:22,179 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 148 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:22,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 299 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:41:22,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-10-11 20:41:22,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 688. [2024-10-11 20:41:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 576 states have (on average 1.390625) internal successors, (801), 618 states have internal predecessors, (801), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 65 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-11 20:41:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 937 transitions. [2024-10-11 20:41:22,225 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 937 transitions. Word has length 85 [2024-10-11 20:41:22,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:22,225 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 937 transitions. [2024-10-11 20:41:22,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 937 transitions. [2024-10-11 20:41:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 20:41:22,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:22,226 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:22,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:22,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:22,431 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:22,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:22,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1582020818, now seen corresponding path program 1 times [2024-10-11 20:41:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:22,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872115124] [2024-10-11 20:41:22,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:22,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:22,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1452400825] [2024-10-11 20:41:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:22,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:22,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:22,443 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:22,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:41:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:41:22,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-11 20:41:22,799 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:22,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:22,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872115124] [2024-10-11 20:41:22,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:22,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452400825] [2024-10-11 20:41:22,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452400825] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:22,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:22,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:41:22,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953395235] [2024-10-11 20:41:22,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:22,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:22,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:22,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:22,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:41:22,996 INFO L87 Difference]: Start difference. First operand 688 states and 937 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 20:41:24,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:24,182 INFO L93 Difference]: Finished difference Result 909 states and 1268 transitions. [2024-10-11 20:41:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:41:24,182 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 88 [2024-10-11 20:41:24,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:24,186 INFO L225 Difference]: With dead ends: 909 [2024-10-11 20:41:24,186 INFO L226 Difference]: Without dead ends: 905 [2024-10-11 20:41:24,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:41:24,187 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 282 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:24,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 344 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:41:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-10-11 20:41:24,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 713. [2024-10-11 20:41:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 598 states have (on average 1.4163879598662208) internal successors, (847), 640 states have internal predecessors, (847), 71 states have call successors, (71), 4 states have call predecessors, (71), 4 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:41:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 989 transitions. [2024-10-11 20:41:24,251 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 989 transitions. Word has length 88 [2024-10-11 20:41:24,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:24,252 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 989 transitions. [2024-10-11 20:41:24,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 20:41:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 989 transitions. [2024-10-11 20:41:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:41:24,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:24,253 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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] [2024-10-11 20:41:24,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:24,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:41:24,457 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:24,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1798005189, now seen corresponding path program 1 times [2024-10-11 20:41:24,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:24,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697248624] [2024-10-11 20:41:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:24,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:24,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023915093] [2024-10-11 20:41:24,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:24,473 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:24,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:41:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:24,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-11 20:41:24,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:29,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:29,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697248624] [2024-10-11 20:41:29,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:29,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023915093] [2024-10-11 20:41:29,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023915093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:29,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:29,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:29,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334803154] [2024-10-11 20:41:29,109 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:29,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:29,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:29,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:29,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:29,110 INFO L87 Difference]: Start difference. First operand 713 states and 989 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:30,426 INFO L93 Difference]: Finished difference Result 766 states and 1065 transitions. [2024-10-11 20:41:30,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:30,427 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 89 [2024-10-11 20:41:30,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:30,429 INFO L225 Difference]: With dead ends: 766 [2024-10-11 20:41:30,429 INFO L226 Difference]: Without dead ends: 762 [2024-10-11 20:41:30,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-10-11 20:41:30,430 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 171 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:30,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 423 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:41:30,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-10-11 20:41:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 746. [2024-10-11 20:41:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 629 states have (on average 1.4133545310015898) internal successors, (889), 669 states have internal predecessors, (889), 75 states have call successors, (75), 4 states have call predecessors, (75), 4 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:41:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1039 transitions. [2024-10-11 20:41:30,481 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1039 transitions. Word has length 89 [2024-10-11 20:41:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:30,481 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1039 transitions. [2024-10-11 20:41:30,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1039 transitions. [2024-10-11 20:41:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:41:30,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:30,482 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:41:30,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:41:30,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:41:30,683 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:30,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash -22969960, now seen corresponding path program 1 times [2024-10-11 20:41:30,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:30,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036348822] [2024-10-11 20:41:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:30,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036348822] [2024-10-11 20:41:30,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036348822] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390278018] [2024-10-11 20:41:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:30,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:30,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:30,810 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:30,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:41:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:30,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:41:30,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:31,092 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:31,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390278018] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:31,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:31,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:41:31,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981814093] [2024-10-11 20:41:31,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:31,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:31,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:31,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:31,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:31,242 INFO L87 Difference]: Start difference. First operand 746 states and 1039 transitions. Second operand has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:32,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:32,251 INFO L93 Difference]: Finished difference Result 1244 states and 1655 transitions. [2024-10-11 20:41:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:41:32,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-10-11 20:41:32,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:32,256 INFO L225 Difference]: With dead ends: 1244 [2024-10-11 20:41:32,256 INFO L226 Difference]: Without dead ends: 1242 [2024-10-11 20:41:32,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:41:32,257 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 957 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:32,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 492 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:41:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-10-11 20:41:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 944. [2024-10-11 20:41:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 809 states have (on average 1.388133498145859) internal successors, (1123), 849 states have internal predecessors, (1123), 93 states have call successors, (93), 4 states have call predecessors, (93), 4 states have return successors, (93), 90 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 20:41:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1309 transitions. [2024-10-11 20:41:32,329 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1309 transitions. Word has length 98 [2024-10-11 20:41:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:32,329 INFO L471 AbstractCegarLoop]: Abstraction has 944 states and 1309 transitions. [2024-10-11 20:41:32,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1309 transitions. [2024-10-11 20:41:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:41:32,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:32,330 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:32,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-11 20:41:32,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:41:32,531 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:32,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:32,531 INFO L85 PathProgramCache]: Analyzing trace with hash -22983862, now seen corresponding path program 1 times [2024-10-11 20:41:32,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:32,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184618917] [2024-10-11 20:41:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:32,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:32,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184618917] [2024-10-11 20:41:32,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184618917] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483920820] [2024-10-11 20:41:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:32,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:32,628 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:32,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:41:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:32,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:41:32,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:32,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:33,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483920820] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:33,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:33,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-10-11 20:41:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801179023] [2024-10-11 20:41:33,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:33,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:41:33,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:41:33,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:41:33,056 INFO L87 Difference]: Start difference. First operand 944 states and 1309 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:34,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:34,845 INFO L93 Difference]: Finished difference Result 1513 states and 1998 transitions. [2024-10-11 20:41:34,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 20:41:34,845 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-10-11 20:41:34,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:34,849 INFO L225 Difference]: With dead ends: 1513 [2024-10-11 20:41:34,849 INFO L226 Difference]: Without dead ends: 1511 [2024-10-11 20:41:34,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2024-10-11 20:41:34,851 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 1862 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:34,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1862 Valid, 821 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:41:34,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-10-11 20:41:34,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1088. [2024-10-11 20:41:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 940 states have (on average 1.396808510638298) internal successors, (1313), 980 states have internal predecessors, (1313), 106 states have call successors, (106), 4 states have call predecessors, (106), 4 states have return successors, (106), 103 states have call predecessors, (106), 106 states have call successors, (106) [2024-10-11 20:41:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1525 transitions. [2024-10-11 20:41:34,919 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1525 transitions. Word has length 98 [2024-10-11 20:41:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:34,919 INFO L471 AbstractCegarLoop]: Abstraction has 1088 states and 1525 transitions. [2024-10-11 20:41:34,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1525 transitions. [2024-10-11 20:41:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 20:41:34,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:34,920 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:34,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-11 20:41:35,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:35,120 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:35,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash -712068644, now seen corresponding path program 1 times [2024-10-11 20:41:35,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:35,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868011434] [2024-10-11 20:41:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:35,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:35,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868011434] [2024-10-11 20:41:35,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868011434] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:35,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045129597] [2024-10-11 20:41:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:35,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:35,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:35,218 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:35,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:41:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:35,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:41:35,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:35,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:35,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045129597] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:35,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:35,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-11 20:41:35,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337193044] [2024-10-11 20:41:35,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:35,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:35,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:35,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:35,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:41:35,531 INFO L87 Difference]: Start difference. First operand 1088 states and 1525 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:36,218 INFO L93 Difference]: Finished difference Result 1644 states and 2319 transitions. [2024-10-11 20:41:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:41:36,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 99 [2024-10-11 20:41:36,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:36,225 INFO L225 Difference]: With dead ends: 1644 [2024-10-11 20:41:36,225 INFO L226 Difference]: Without dead ends: 1642 [2024-10-11 20:41:36,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:36,226 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 322 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:36,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 293 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:41:36,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-10-11 20:41:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1228. [2024-10-11 20:41:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1068 states have (on average 1.401685393258427) internal successors, (1497), 1108 states have internal predecessors, (1497), 118 states have call successors, (118), 4 states have call predecessors, (118), 4 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2024-10-11 20:41:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1733 transitions. [2024-10-11 20:41:36,313 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1733 transitions. Word has length 99 [2024-10-11 20:41:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:36,313 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1733 transitions. [2024-10-11 20:41:36,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1733 transitions. [2024-10-11 20:41:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 20:41:36,314 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:36,314 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:41:36,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:36,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-11 20:41:36,515 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:36,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:36,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2105962864, now seen corresponding path program 1 times [2024-10-11 20:41:36,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:36,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808449077] [2024-10-11 20:41:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:36,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:36,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:36,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808449077] [2024-10-11 20:41:36,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808449077] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:36,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819515488] [2024-10-11 20:41:36,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:36,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:36,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:36,607 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:36,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:41:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:41:36,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:36,815 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:36,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:36,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819515488] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:36,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:36,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-11 20:41:36,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481350962] [2024-10-11 20:41:36,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:36,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:36,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:36,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:36,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:41:36,915 INFO L87 Difference]: Start difference. First operand 1228 states and 1733 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:37,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:37,501 INFO L93 Difference]: Finished difference Result 1974 states and 2825 transitions. [2024-10-11 20:41:37,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:41:37,502 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 101 [2024-10-11 20:41:37,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:37,507 INFO L225 Difference]: With dead ends: 1974 [2024-10-11 20:41:37,507 INFO L226 Difference]: Without dead ends: 1972 [2024-10-11 20:41:37,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:37,508 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 280 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:37,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 380 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:37,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2024-10-11 20:41:37,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1517. [2024-10-11 20:41:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1333 states have (on average 1.390847711927982) internal successors, (1854), 1373 states have internal predecessors, (1854), 142 states have call successors, (142), 4 states have call predecessors, (142), 4 states have return successors, (142), 139 states have call predecessors, (142), 142 states have call successors, (142) [2024-10-11 20:41:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2138 transitions. [2024-10-11 20:41:37,599 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2138 transitions. Word has length 101 [2024-10-11 20:41:37,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:37,600 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 2138 transitions. [2024-10-11 20:41:37,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2138 transitions. [2024-10-11 20:41:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:41:37,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:37,601 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:37,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:37,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:37,801 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:37,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:37,802 INFO L85 PathProgramCache]: Analyzing trace with hash -259811330, now seen corresponding path program 1 times [2024-10-11 20:41:37,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:37,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617722404] [2024-10-11 20:41:37,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:37,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:37,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:37,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617722404] [2024-10-11 20:41:37,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617722404] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:37,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713356838] [2024-10-11 20:41:37,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:37,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:37,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:37,935 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:37,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:41:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:37,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:41:37,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:41:38,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:38,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713356838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:38,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:38,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 11 [2024-10-11 20:41:38,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545942810] [2024-10-11 20:41:38,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:38,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:38,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:38,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:38,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:38,192 INFO L87 Difference]: Start difference. First operand 1517 states and 2138 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-11 20:41:38,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:38,317 INFO L93 Difference]: Finished difference Result 1656 states and 2304 transitions. [2024-10-11 20:41:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:41:38,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 107 [2024-10-11 20:41:38,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:38,319 INFO L225 Difference]: With dead ends: 1656 [2024-10-11 20:41:38,319 INFO L226 Difference]: Without dead ends: 287 [2024-10-11 20:41:38,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 222 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:41:38,322 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 136 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:38,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 568 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:41:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-10-11 20:41:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-10-11 20:41:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 239 states have (on average 1.1631799163179917) internal successors, (278), 258 states have internal predecessors, (278), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 20:41:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 328 transitions. [2024-10-11 20:41:38,349 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 328 transitions. Word has length 107 [2024-10-11 20:41:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:38,351 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 328 transitions. [2024-10-11 20:41:38,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-11 20:41:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 328 transitions. [2024-10-11 20:41:38,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:41:38,352 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:38,352 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:38,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:38,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:38,553 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:38,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash 883635391, now seen corresponding path program 1 times [2024-10-11 20:41:38,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:38,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185757444] [2024-10-11 20:41:38,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:38,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:38,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185757444] [2024-10-11 20:41:38,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185757444] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:38,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652483834] [2024-10-11 20:41:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:38,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:38,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:38,658 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:38,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:41:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:41:38,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:38,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:39,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652483834] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:39,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:39,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-11 20:41:39,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217250643] [2024-10-11 20:41:39,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:39,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:41:39,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:39,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:41:39,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:41:39,062 INFO L87 Difference]: Start difference. First operand 287 states and 328 transitions. Second operand has 15 states, 14 states have (on average 13.0) internal successors, (182), 15 states have internal predecessors, (182), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-10-11 20:41:39,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:39,677 INFO L93 Difference]: Finished difference Result 326 states and 354 transitions. [2024-10-11 20:41:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:41:39,677 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 13.0) internal successors, (182), 15 states have internal predecessors, (182), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 107 [2024-10-11 20:41:39,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:39,679 INFO L225 Difference]: With dead ends: 326 [2024-10-11 20:41:39,679 INFO L226 Difference]: Without dead ends: 325 [2024-10-11 20:41:39,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:41:39,679 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 752 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:39,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 668 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-11 20:41:39,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 286. [2024-10-11 20:41:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 239 states have (on average 1.1589958158995817) internal successors, (277), 257 states have internal predecessors, (277), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 20:41:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 327 transitions. [2024-10-11 20:41:39,700 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 327 transitions. Word has length 107 [2024-10-11 20:41:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:39,700 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 327 transitions. [2024-10-11 20:41:39,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 13.0) internal successors, (182), 15 states have internal predecessors, (182), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-10-11 20:41:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 327 transitions. [2024-10-11 20:41:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 20:41:39,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:39,701 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:39,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:39,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:41:39,905 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:39,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:39,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2071548660, now seen corresponding path program 1 times [2024-10-11 20:41:39,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:39,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734835995] [2024-10-11 20:41:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:41:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 20:41:40,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:40,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734835995] [2024-10-11 20:41:40,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734835995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:41:40,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:41:40,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:41:40,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584436719] [2024-10-11 20:41:40,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:40,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:41:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:40,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:41:40,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:41:40,002 INFO L87 Difference]: Start difference. First operand 286 states and 327 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:41,262 INFO L93 Difference]: Finished difference Result 313 states and 349 transitions. [2024-10-11 20:41:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:41,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 110 [2024-10-11 20:41:41,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:41,264 INFO L225 Difference]: With dead ends: 313 [2024-10-11 20:41:41,264 INFO L226 Difference]: Without dead ends: 301 [2024-10-11 20:41:41,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:41,264 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 156 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:41,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 221 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:41:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-10-11 20:41:41,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 280. [2024-10-11 20:41:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 234 states have (on average 1.1581196581196582) internal successors, (271), 252 states have internal predecessors, (271), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:41:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 319 transitions. [2024-10-11 20:41:41,292 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 319 transitions. Word has length 110 [2024-10-11 20:41:41,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:41,292 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 319 transitions. [2024-10-11 20:41:41,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 319 transitions. [2024-10-11 20:41:41,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 20:41:41,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:41,295 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:41,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-11 20:41:41,295 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:41,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash -691871301, now seen corresponding path program 1 times [2024-10-11 20:41:41,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:41,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117833803] [2024-10-11 20:41:41,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:41,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:41,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1292545096] [2024-10-11 20:41:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:41,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:41,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:41,313 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:41,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:41:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:41,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:41:41,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 20:41:41,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:42,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:42,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117833803] [2024-10-11 20:41:42,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:42,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292545096] [2024-10-11 20:41:42,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292545096] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:42,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:42,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:41:42,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403784167] [2024-10-11 20:41:42,479 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:42,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:41:42,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:42,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:41:42,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:41:42,480 INFO L87 Difference]: Start difference. First operand 280 states and 319 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:43,095 INFO L93 Difference]: Finished difference Result 297 states and 336 transitions. [2024-10-11 20:41:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:41:43,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 115 [2024-10-11 20:41:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:43,097 INFO L225 Difference]: With dead ends: 297 [2024-10-11 20:41:43,097 INFO L226 Difference]: Without dead ends: 296 [2024-10-11 20:41:43,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:41:43,098 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:43,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 367 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:41:43,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-11 20:41:43,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 279. [2024-10-11 20:41:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 234 states have (on average 1.1538461538461537) internal successors, (270), 251 states have internal predecessors, (270), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:41:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 318 transitions. [2024-10-11 20:41:43,117 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 318 transitions. Word has length 115 [2024-10-11 20:41:43,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:43,117 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 318 transitions. [2024-10-11 20:41:43,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 318 transitions. [2024-10-11 20:41:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 20:41:43,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:43,118 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:43,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-11 20:41:43,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:43,323 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:43,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:43,323 INFO L85 PathProgramCache]: Analyzing trace with hash 357687740, now seen corresponding path program 1 times [2024-10-11 20:41:43,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:43,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235236889] [2024-10-11 20:41:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:43,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:43,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74519368] [2024-10-11 20:41:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:43,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:43,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:43,351 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:43,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 20:41:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:43,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:41:43,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 20:41:43,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:45,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235236889] [2024-10-11 20:41:45,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74519368] [2024-10-11 20:41:45,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74519368] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:45,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:45,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:41:45,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055765439] [2024-10-11 20:41:45,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:45,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:45,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:45,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:45,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=215, Unknown=1, NotChecked=0, Total=272 [2024-10-11 20:41:45,579 INFO L87 Difference]: Start difference. First operand 279 states and 318 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:46,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:46,324 INFO L93 Difference]: Finished difference Result 284 states and 322 transitions. [2024-10-11 20:41:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:41:46,325 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 116 [2024-10-11 20:41:46,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:46,326 INFO L225 Difference]: With dead ends: 284 [2024-10-11 20:41:46,326 INFO L226 Difference]: Without dead ends: 283 [2024-10-11 20:41:46,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=116, Invalid=389, Unknown=1, NotChecked=0, Total=506 [2024-10-11 20:41:46,327 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 187 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:46,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 374 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:41:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-11 20:41:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 278. [2024-10-11 20:41:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 234 states have (on average 1.1495726495726495) internal successors, (269), 250 states have internal predecessors, (269), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:41:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 317 transitions. [2024-10-11 20:41:46,346 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 317 transitions. Word has length 116 [2024-10-11 20:41:46,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:46,346 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 317 transitions. [2024-10-11 20:41:46,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 317 transitions. [2024-10-11 20:41:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 20:41:46,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:46,347 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:46,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-11 20:41:46,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:46,547 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:46,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:46,548 INFO L85 PathProgramCache]: Analyzing trace with hash 10261520, now seen corresponding path program 1 times [2024-10-11 20:41:46,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:46,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392860924] [2024-10-11 20:41:46,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:46,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:46,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133373680] [2024-10-11 20:41:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:46,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:46,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:46,575 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:46,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 20:41:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:46,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-11 20:41:46,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 20:41:47,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 20:41:51,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392860924] [2024-10-11 20:41:51,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133373680] [2024-10-11 20:41:51,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133373680] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:51,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:41:51,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2024-10-11 20:41:51,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818228695] [2024-10-11 20:41:51,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:51,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:41:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:51,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:41:51,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:41:51,028 INFO L87 Difference]: Start difference. First operand 278 states and 317 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-10-11 20:42:02,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:02,251 INFO L93 Difference]: Finished difference Result 303 states and 342 transitions. [2024-10-11 20:42:02,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:42:02,252 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 118 [2024-10-11 20:42:02,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:02,253 INFO L225 Difference]: With dead ends: 303 [2024-10-11 20:42:02,253 INFO L226 Difference]: Without dead ends: 299 [2024-10-11 20:42:02,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 20:42:02,254 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 739 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:02,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 402 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-10-11 20:42:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-11 20:42:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 277. [2024-10-11 20:42:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 234 states have (on average 1.1324786324786325) internal successors, (265), 249 states have internal predecessors, (265), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:42:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 313 transitions. [2024-10-11 20:42:02,279 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 313 transitions. Word has length 118 [2024-10-11 20:42:02,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:02,279 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 313 transitions. [2024-10-11 20:42:02,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-10-11 20:42:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 313 transitions. [2024-10-11 20:42:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 20:42:02,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:02,284 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:02,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:02,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 20:42:02,484 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:02,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1393622336, now seen corresponding path program 1 times [2024-10-11 20:42:02,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:02,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149553427] [2024-10-11 20:42:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:02,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:42:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:42:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:42:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:42:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:42:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 20:42:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-11 20:42:02,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:02,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149553427] [2024-10-11 20:42:02,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149553427] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:02,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124842799] [2024-10-11 20:42:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:02,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:02,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:02,653 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:02,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-11 20:42:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:02,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:42:02,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 20:42:03,454 INFO L311 TraceCheckSpWp]: Computing backward predicates...