./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/sqrt1-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ecbe5f0ce97488539db604edfadf8e9064f15df8e290f20f11bd6c6bd2401ed2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:38:34,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:38:34,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:38:34,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:38:34,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:38:34,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:38:34,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:38:34,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:38:34,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:38:34,687 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:38:34,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:38:34,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:38:34,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:38:34,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:38:34,690 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:38:34,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:38:34,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:38:34,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:38:34,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:38:34,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:38:34,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:38:34,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:38:34,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:38:34,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:38:34,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:38:34,696 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:38:34,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:38:34,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:38:34,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:38:34,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:38:34,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:38:34,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:38:34,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:38:34,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:38:34,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:38:34,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:38:34,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:38:34,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:38:34,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:38:34,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:38:34,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:38:34,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:38:34,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:38:34,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:38:34,698 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe5f0ce97488539db604edfadf8e9064f15df8e290f20f11bd6c6bd2401ed2 [2024-10-24 20:38:34,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:38:34,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:38:34,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:38:34,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:38:34,933 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:38:34,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2024-10-24 20:38:36,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:38:36,332 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:38:36,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2024-10-24 20:38:36,342 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912174d21/5b49c34480a44edcb4413165f27a174c/FLAGe82b170ec [2024-10-24 20:38:36,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912174d21/5b49c34480a44edcb4413165f27a174c [2024-10-24 20:38:36,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:38:36,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:38:36,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:38:36,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:38:36,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:38:36,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0c09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36, skipping insertion in model container [2024-10-24 20:38:36,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:38:36,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:38:36,563 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:38:36,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:38:36,597 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:38:36,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36 WrapperNode [2024-10-24 20:38:36,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:38:36,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:38:36,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:38:36,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:38:36,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,624 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-10-24 20:38:36,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:38:36,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:38:36,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:38:36,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:38:36,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,661 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:38:36,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:38:36,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:38:36,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:38:36,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:38:36,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (1/1) ... [2024-10-24 20:38:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:38:36,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:36,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:38:36,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:38:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:38:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:38:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:38:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:38:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:38:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:38:36,801 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:38:36,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:38:37,020 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-10-24 20:38:37,020 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:38:37,040 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:38:37,040 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:38:37,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:38:37 BoogieIcfgContainer [2024-10-24 20:38:37,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:38:37,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:38:37,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:38:37,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:38:37,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:38:36" (1/3) ... [2024-10-24 20:38:37,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce341a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:38:37, skipping insertion in model container [2024-10-24 20:38:37,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:36" (2/3) ... [2024-10-24 20:38:37,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce341a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:38:37, skipping insertion in model container [2024-10-24 20:38:37,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:38:37" (3/3) ... [2024-10-24 20:38:37,046 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound100.c [2024-10-24 20:38:37,058 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:38:37,058 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-10-24 20:38:37,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:38:37,118 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;@5a3fbcab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:38:37,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-10-24 20:38:37,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 59 states have (on average 1.9322033898305084) internal successors, (114), 109 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:38:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:38:37,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:37,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:38:37,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:37,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:37,130 INFO L85 PathProgramCache]: Analyzing trace with hash 179321260, now seen corresponding path program 1 times [2024-10-24 20:38:37,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:37,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180720038] [2024-10-24 20:38:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:38:37,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:37,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180720038] [2024-10-24 20:38:37,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180720038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:37,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:37,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:37,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400016608] [2024-10-24 20:38:37,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:37,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:38:37,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:37,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:38:37,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:38:37,250 INFO L87 Difference]: Start difference. First operand has 117 states, 59 states have (on average 1.9322033898305084) internal successors, (114), 109 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:37,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:37,284 INFO L93 Difference]: Finished difference Result 228 states and 255 transitions. [2024-10-24 20:38:37,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:38:37,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:38:37,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:37,291 INFO L225 Difference]: With dead ends: 228 [2024-10-24 20:38:37,291 INFO L226 Difference]: Without dead ends: 110 [2024-10-24 20:38:37,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:38:37,297 INFO L432 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:37,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:38:37,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-24 20:38:37,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-24 20:38:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 58 states have (on average 1.793103448275862) internal successors, (104), 103 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:38:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2024-10-24 20:38:37,401 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 5 [2024-10-24 20:38:37,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:37,402 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2024-10-24 20:38:37,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2024-10-24 20:38:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:38:37,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:37,402 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:38:37,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:38:37,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:37,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:37,405 INFO L85 PathProgramCache]: Analyzing trace with hash 179380837, now seen corresponding path program 1 times [2024-10-24 20:38:37,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:37,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180445473] [2024-10-24 20:38:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:37,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:38:37,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:37,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180445473] [2024-10-24 20:38:37,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180445473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:37,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:37,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:37,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851176891] [2024-10-24 20:38:37,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:37,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:37,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:37,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:37,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:37,490 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:37,603 INFO L93 Difference]: Finished difference Result 205 states and 214 transitions. [2024-10-24 20:38:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:37,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:38:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:37,605 INFO L225 Difference]: With dead ends: 205 [2024-10-24 20:38:37,605 INFO L226 Difference]: Without dead ends: 185 [2024-10-24 20:38:37,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:37,606 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:37,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 161 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:37,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-24 20:38:37,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 150. [2024-10-24 20:38:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 139 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:38:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 170 transitions. [2024-10-24 20:38:37,619 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 170 transitions. Word has length 5 [2024-10-24 20:38:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:37,619 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 170 transitions. [2024-10-24 20:38:37,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 170 transitions. [2024-10-24 20:38:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-24 20:38:37,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:37,620 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:37,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:38:37,621 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:37,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1083960687, now seen corresponding path program 1 times [2024-10-24 20:38:37,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:37,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216204087] [2024-10-24 20:38:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:37,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331681687] [2024-10-24 20:38:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:37,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:37,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:37,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:37,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:38:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:37,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:38:37,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:37,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:37,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:37,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216204087] [2024-10-24 20:38:37,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:37,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331681687] [2024-10-24 20:38:37,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331681687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:37,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:37,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:37,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142049705] [2024-10-24 20:38:37,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:37,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:37,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:37,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:37,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:37,822 INFO L87 Difference]: Start difference. First operand 150 states and 170 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:37,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:37,966 INFO L93 Difference]: Finished difference Result 177 states and 198 transitions. [2024-10-24 20:38:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:37,970 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-24 20:38:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:37,972 INFO L225 Difference]: With dead ends: 177 [2024-10-24 20:38:37,972 INFO L226 Difference]: Without dead ends: 169 [2024-10-24 20:38:37,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:37,973 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 41 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:37,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 147 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:37,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-24 20:38:37,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2024-10-24 20:38:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 104 states have (on average 1.5673076923076923) internal successors, (163), 149 states have internal predecessors, (163), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 183 transitions. [2024-10-24 20:38:38,002 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 183 transitions. Word has length 26 [2024-10-24 20:38:38,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:38,002 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 183 transitions. [2024-10-24 20:38:38,002 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 183 transitions. [2024-10-24 20:38:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:38:38,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:38,003 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:38,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:38,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:38,203 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:38,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:38,204 INFO L85 PathProgramCache]: Analyzing trace with hash 756957147, now seen corresponding path program 1 times [2024-10-24 20:38:38,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:38,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027594919] [2024-10-24 20:38:38,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:38,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:38,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027594919] [2024-10-24 20:38:38,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027594919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:38,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:38,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709065827] [2024-10-24 20:38:38,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:38,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:38,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:38,363 INFO L87 Difference]: Start difference. First operand 161 states and 183 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:38,448 INFO L93 Difference]: Finished difference Result 177 states and 194 transitions. [2024-10-24 20:38:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:38,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-24 20:38:38,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:38,450 INFO L225 Difference]: With dead ends: 177 [2024-10-24 20:38:38,451 INFO L226 Difference]: Without dead ends: 167 [2024-10-24 20:38:38,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:38,453 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 38 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:38,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 161 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:38,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-10-24 20:38:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-10-24 20:38:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 107 states have (on average 1.485981308411215) internal successors, (159), 152 states have internal predecessors, (159), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2024-10-24 20:38:38,469 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 27 [2024-10-24 20:38:38,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:38,473 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2024-10-24 20:38:38,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2024-10-24 20:38:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 20:38:38,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:38,474 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:38,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:38:38,475 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:38,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1932139797, now seen corresponding path program 1 times [2024-10-24 20:38:38,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:38,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982464765] [2024-10-24 20:38:38,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:38,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:38,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:38,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982464765] [2024-10-24 20:38:38,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982464765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:38,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:38:38,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462737603] [2024-10-24 20:38:38,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:38,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:38,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:38,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:38,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:38,614 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:38,761 INFO L93 Difference]: Finished difference Result 169 states and 184 transitions. [2024-10-24 20:38:38,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:38,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-10-24 20:38:38,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:38,762 INFO L225 Difference]: With dead ends: 169 [2024-10-24 20:38:38,763 INFO L226 Difference]: Without dead ends: 167 [2024-10-24 20:38:38,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:38,764 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:38,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 210 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-10-24 20:38:38,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-10-24 20:38:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 107 states have (on average 1.4672897196261683) internal successors, (157), 152 states have internal predecessors, (157), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 177 transitions. [2024-10-24 20:38:38,772 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 177 transitions. Word has length 30 [2024-10-24 20:38:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:38,773 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 177 transitions. [2024-10-24 20:38:38,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 177 transitions. [2024-10-24 20:38:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-24 20:38:38,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:38,774 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, 1, 1, 1] [2024-10-24 20:38:38,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:38:38,774 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:38,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:38,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1747126169, now seen corresponding path program 1 times [2024-10-24 20:38:38,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:38,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667785900] [2024-10-24 20:38:38,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:38,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:38,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667785900] [2024-10-24 20:38:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667785900] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:38,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:38,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:38,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786864866] [2024-10-24 20:38:38,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:38,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:38,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:38,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:38,846 INFO L87 Difference]: Start difference. First operand 164 states and 177 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:38,924 INFO L93 Difference]: Finished difference Result 169 states and 178 transitions. [2024-10-24 20:38:38,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:38,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 34 [2024-10-24 20:38:38,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:38,925 INFO L225 Difference]: With dead ends: 169 [2024-10-24 20:38:38,925 INFO L226 Difference]: Without dead ends: 141 [2024-10-24 20:38:38,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:38,926 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 29 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:38,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 143 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-24 20:38:38,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-24 20:38:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 86 states have (on average 1.5348837209302326) internal successors, (132), 131 states have internal predecessors, (132), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2024-10-24 20:38:38,932 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 34 [2024-10-24 20:38:38,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:38,933 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2024-10-24 20:38:38,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-10-24 20:38:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 20:38:38,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:38,934 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:38,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:38:38,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:38,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:38,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1812886385, now seen corresponding path program 1 times [2024-10-24 20:38:38,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:38,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165753047] [2024-10-24 20:38:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:39,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165753047] [2024-10-24 20:38:39,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165753047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:39,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:39,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:38:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365710602] [2024-10-24 20:38:39,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:39,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:39,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:39,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:39,016 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:39,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:39,124 INFO L93 Difference]: Finished difference Result 144 states and 152 transitions. [2024-10-24 20:38:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:39,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-10-24 20:38:39,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:39,126 INFO L225 Difference]: With dead ends: 144 [2024-10-24 20:38:39,126 INFO L226 Difference]: Without dead ends: 143 [2024-10-24 20:38:39,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:39,127 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:39,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 206 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:39,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-24 20:38:39,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 142. [2024-10-24 20:38:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.528735632183908) internal successors, (133), 132 states have internal predecessors, (133), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2024-10-24 20:38:39,133 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 47 [2024-10-24 20:38:39,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:39,133 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2024-10-24 20:38:39,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2024-10-24 20:38:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-24 20:38:39,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:39,134 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:39,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 20:38:39,135 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:39,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:39,135 INFO L85 PathProgramCache]: Analyzing trace with hash 364903199, now seen corresponding path program 1 times [2024-10-24 20:38:39,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:39,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570335125] [2024-10-24 20:38:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570335125] [2024-10-24 20:38:39,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570335125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:39,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:39,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:38:39,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504441795] [2024-10-24 20:38:39,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:39,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:39,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:39,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:39,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:39,218 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:39,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:39,298 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2024-10-24 20:38:39,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:39,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-24 20:38:39,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:39,299 INFO L225 Difference]: With dead ends: 144 [2024-10-24 20:38:39,299 INFO L226 Difference]: Without dead ends: 143 [2024-10-24 20:38:39,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:39,300 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:39,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-24 20:38:39,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-10-24 20:38:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.5227272727272727) internal successors, (134), 133 states have internal predecessors, (134), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2024-10-24 20:38:39,308 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 48 [2024-10-24 20:38:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:39,308 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2024-10-24 20:38:39,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2024-10-24 20:38:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 20:38:39,309 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:39,309 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:39,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 20:38:39,310 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:39,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:39,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1515342495, now seen corresponding path program 1 times [2024-10-24 20:38:39,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:39,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197924068] [2024-10-24 20:38:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:39,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197924068] [2024-10-24 20:38:39,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197924068] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:39,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570260153] [2024-10-24 20:38:39,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:39,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:39,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:39,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:38:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:38:39,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:39,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570260153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:39,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:39,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 20:38:39,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841742920] [2024-10-24 20:38:39,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:39,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:39,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:39,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:39,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:38:39,471 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:39,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:39,534 INFO L93 Difference]: Finished difference Result 143 states and 150 transitions. [2024-10-24 20:38:39,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:39,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-10-24 20:38:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:39,536 INFO L225 Difference]: With dead ends: 143 [2024-10-24 20:38:39,536 INFO L226 Difference]: Without dead ends: 134 [2024-10-24 20:38:39,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:38:39,536 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 72 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:39,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 129 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-24 20:38:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-10-24 20:38:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 124 states have internal predecessors, (125), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 141 transitions. [2024-10-24 20:38:39,541 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 141 transitions. Word has length 50 [2024-10-24 20:38:39,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:39,541 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 141 transitions. [2024-10-24 20:38:39,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2024-10-24 20:38:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 20:38:39,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:39,542 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:39,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:38:39,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 20:38:39,743 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:39,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:39,743 INFO L85 PathProgramCache]: Analyzing trace with hash 269022963, now seen corresponding path program 1 times [2024-10-24 20:38:39,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:39,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877965575] [2024-10-24 20:38:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:39,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877965575] [2024-10-24 20:38:39,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877965575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:39,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676508340] [2024-10-24 20:38:39,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:39,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:39,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:39,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:38:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:39,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:38:39,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:39,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676508340] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:39,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:39,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 20:38:39,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238336430] [2024-10-24 20:38:39,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:39,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:38:39,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:39,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:38:39,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:39,974 INFO L87 Difference]: Start difference. First operand 134 states and 141 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:38:40,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:40,079 INFO L93 Difference]: Finished difference Result 229 states and 258 transitions. [2024-10-24 20:38:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:40,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 51 [2024-10-24 20:38:40,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:40,080 INFO L225 Difference]: With dead ends: 229 [2024-10-24 20:38:40,081 INFO L226 Difference]: Without dead ends: 220 [2024-10-24 20:38:40,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:40,082 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 175 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:40,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 219 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:40,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-24 20:38:40,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 125. [2024-10-24 20:38:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 115 states have internal predecessors, (116), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 132 transitions. [2024-10-24 20:38:40,093 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 132 transitions. Word has length 51 [2024-10-24 20:38:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:40,093 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 132 transitions. [2024-10-24 20:38:40,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:38:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2024-10-24 20:38:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 20:38:40,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:40,094 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:40,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:40,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:40,295 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:40,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:40,295 INFO L85 PathProgramCache]: Analyzing trace with hash -63646801, now seen corresponding path program 1 times [2024-10-24 20:38:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741491371] [2024-10-24 20:38:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:40,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2011402270] [2024-10-24 20:38:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:40,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:40,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:40,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:40,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:38:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:40,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:40,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:38:40,391 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:38:40,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:40,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741491371] [2024-10-24 20:38:40,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:40,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011402270] [2024-10-24 20:38:40,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011402270] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:40,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:40,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-24 20:38:40,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386953309] [2024-10-24 20:38:40,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:40,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:38:40,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:40,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:38:40,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:38:40,486 INFO L87 Difference]: Start difference. First operand 125 states and 132 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:38:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:40,617 INFO L93 Difference]: Finished difference Result 304 states and 326 transitions. [2024-10-24 20:38:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:40,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 64 [2024-10-24 20:38:40,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:40,619 INFO L225 Difference]: With dead ends: 304 [2024-10-24 20:38:40,619 INFO L226 Difference]: Without dead ends: 302 [2024-10-24 20:38:40,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:40,619 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 237 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:40,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 306 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-24 20:38:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 202. [2024-10-24 20:38:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 159 states have (on average 1.371069182389937) internal successors, (218), 185 states have internal predecessors, (218), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 20:38:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 248 transitions. [2024-10-24 20:38:40,627 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 248 transitions. Word has length 64 [2024-10-24 20:38:40,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:40,627 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 248 transitions. [2024-10-24 20:38:40,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:38:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 248 transitions. [2024-10-24 20:38:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 20:38:40,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:40,628 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:40,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:38:40,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:40,833 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:40,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:40,833 INFO L85 PathProgramCache]: Analyzing trace with hash -906332907, now seen corresponding path program 1 times [2024-10-24 20:38:40,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:40,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068505010] [2024-10-24 20:38:40,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:40,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831055253] [2024-10-24 20:38:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:40,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:40,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:40,845 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:40,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:38:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:40,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:40,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:40,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:41,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:41,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068505010] [2024-10-24 20:38:41,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:41,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831055253] [2024-10-24 20:38:41,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831055253] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:41,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:41,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-24 20:38:41,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644293729] [2024-10-24 20:38:41,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:41,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:38:41,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:41,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:38:41,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:38:41,041 INFO L87 Difference]: Start difference. First operand 202 states and 248 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:38:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:41,216 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2024-10-24 20:38:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:41,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 71 [2024-10-24 20:38:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:41,217 INFO L225 Difference]: With dead ends: 262 [2024-10-24 20:38:41,217 INFO L226 Difference]: Without dead ends: 254 [2024-10-24 20:38:41,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:41,218 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 218 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:41,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 210 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-24 20:38:41,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 198. [2024-10-24 20:38:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 161 states have (on average 1.2608695652173914) internal successors, (203), 180 states have internal predecessors, (203), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 20:38:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 235 transitions. [2024-10-24 20:38:41,226 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 235 transitions. Word has length 71 [2024-10-24 20:38:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:41,227 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 235 transitions. [2024-10-24 20:38:41,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:38:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 235 transitions. [2024-10-24 20:38:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 20:38:41,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:41,228 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:41,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:41,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 20:38:41,432 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:41,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1968451031, now seen corresponding path program 1 times [2024-10-24 20:38:41,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796812273] [2024-10-24 20:38:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:41,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:41,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796812273] [2024-10-24 20:38:41,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796812273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:41,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498301207] [2024-10-24 20:38:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:41,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:41,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:41,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:41,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:38:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:41,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:41,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:41,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:41,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498301207] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:41,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:41,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:38:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356037620] [2024-10-24 20:38:41,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:41,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:38:41,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:41,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:38:41,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:41,837 INFO L87 Difference]: Start difference. First operand 198 states and 235 transitions. Second operand has 10 states, 9 states have (on average 14.0) internal successors, (126), 10 states have internal predecessors, (126), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:42,006 INFO L93 Difference]: Finished difference Result 198 states and 235 transitions. [2024-10-24 20:38:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:42,007 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 10 states have internal predecessors, (126), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 72 [2024-10-24 20:38:42,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:42,008 INFO L225 Difference]: With dead ends: 198 [2024-10-24 20:38:42,008 INFO L226 Difference]: Without dead ends: 195 [2024-10-24 20:38:42,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:38:42,008 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 90 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:42,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 180 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:42,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-10-24 20:38:42,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-10-24 20:38:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 161 states have (on average 1.2173913043478262) internal successors, (196), 177 states have internal predecessors, (196), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 20:38:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 228 transitions. [2024-10-24 20:38:42,029 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 228 transitions. Word has length 72 [2024-10-24 20:38:42,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:42,029 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 228 transitions. [2024-10-24 20:38:42,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 10 states have internal predecessors, (126), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 228 transitions. [2024-10-24 20:38:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 20:38:42,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:42,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:42,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:38:42,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:42,231 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:42,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:42,232 INFO L85 PathProgramCache]: Analyzing trace with hash 892439895, now seen corresponding path program 1 times [2024-10-24 20:38:42,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:42,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929560346] [2024-10-24 20:38:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:42,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:42,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929560346] [2024-10-24 20:38:42,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929560346] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:42,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862664591] [2024-10-24 20:38:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:42,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:42,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:42,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:42,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:38:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:42,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:42,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:42,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:42,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862664591] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:42,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:42,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:38:42,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128933586] [2024-10-24 20:38:42,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:42,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:38:42,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:42,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:38:42,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:42,558 INFO L87 Difference]: Start difference. First operand 195 states and 228 transitions. Second operand has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:42,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:42,789 INFO L93 Difference]: Finished difference Result 221 states and 260 transitions. [2024-10-24 20:38:42,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:38:42,789 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 73 [2024-10-24 20:38:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:42,790 INFO L225 Difference]: With dead ends: 221 [2024-10-24 20:38:42,790 INFO L226 Difference]: Without dead ends: 212 [2024-10-24 20:38:42,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:38:42,791 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 96 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:42,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 246 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-24 20:38:42,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 188. [2024-10-24 20:38:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 161 states have (on average 1.1180124223602483) internal successors, (180), 170 states have internal predecessors, (180), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 20:38:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 212 transitions. [2024-10-24 20:38:42,799 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 212 transitions. Word has length 73 [2024-10-24 20:38:42,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:42,799 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 212 transitions. [2024-10-24 20:38:42,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 212 transitions. [2024-10-24 20:38:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 20:38:42,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:42,800 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:42,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:43,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:43,001 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:43,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:43,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1358717543, now seen corresponding path program 1 times [2024-10-24 20:38:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553367474] [2024-10-24 20:38:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:43,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:43,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553367474] [2024-10-24 20:38:43,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553367474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:43,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491896498] [2024-10-24 20:38:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:43,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:43,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:43,096 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:43,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:38:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:38:43,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:43,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:43,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491896498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:43,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:43,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 20:38:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100544862] [2024-10-24 20:38:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:43,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:38:43,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:38:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:43,309 INFO L87 Difference]: Start difference. First operand 188 states and 212 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:38:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:43,385 INFO L93 Difference]: Finished difference Result 188 states and 212 transitions. [2024-10-24 20:38:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:43,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 75 [2024-10-24 20:38:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:43,387 INFO L225 Difference]: With dead ends: 188 [2024-10-24 20:38:43,387 INFO L226 Difference]: Without dead ends: 158 [2024-10-24 20:38:43,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:43,387 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 90 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:43,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 108 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:43,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-24 20:38:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-24 20:38:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.0359712230215827) internal successors, (144), 142 states have internal predecessors, (144), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 20:38:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 172 transitions. [2024-10-24 20:38:43,394 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 172 transitions. Word has length 75 [2024-10-24 20:38:43,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:43,394 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 172 transitions. [2024-10-24 20:38:43,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:38:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 172 transitions. [2024-10-24 20:38:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 20:38:43,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:43,396 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-24 20:38:43,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:43,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 20:38:43,597 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:43,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash 51405215, now seen corresponding path program 1 times [2024-10-24 20:38:43,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:43,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953282382] [2024-10-24 20:38:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 20:38:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 20:38:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:38:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 20:38:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:38:43,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:43,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953282382] [2024-10-24 20:38:43,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953282382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:43,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721268265] [2024-10-24 20:38:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:43,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:43,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:43,838 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:43,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:38:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:43,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:38:43,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:38:44,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:38:44,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721268265] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:44,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:44,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-24 20:38:44,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116472029] [2024-10-24 20:38:44,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:44,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 20:38:44,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:44,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 20:38:44,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:38:44,428 INFO L87 Difference]: Start difference. First operand 158 states and 172 transitions. Second operand has 20 states, 19 states have (on average 14.631578947368421) internal successors, (278), 20 states have internal predecessors, (278), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-24 20:38:44,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:44,769 INFO L93 Difference]: Finished difference Result 245 states and 273 transitions. [2024-10-24 20:38:44,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:38:44,770 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 14.631578947368421) internal successors, (278), 20 states have internal predecessors, (278), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 138 [2024-10-24 20:38:44,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:44,772 INFO L225 Difference]: With dead ends: 245 [2024-10-24 20:38:44,772 INFO L226 Difference]: Without dead ends: 244 [2024-10-24 20:38:44,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:38:44,772 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:44,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 155 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:44,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-10-24 20:38:44,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2024-10-24 20:38:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 216 states have (on average 1.0509259259259258) internal successors, (227), 219 states have internal predecessors, (227), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:38:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 269 transitions. [2024-10-24 20:38:44,798 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 269 transitions. Word has length 138 [2024-10-24 20:38:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:44,798 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 269 transitions. [2024-10-24 20:38:44,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 14.631578947368421) internal successors, (278), 20 states have internal predecessors, (278), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-24 20:38:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 269 transitions. [2024-10-24 20:38:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 20:38:44,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:44,804 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-24 20:38:44,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:38:45,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:38:45,005 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:45,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:45,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1705604823, now seen corresponding path program 2 times [2024-10-24 20:38:45,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:45,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294016496] [2024-10-24 20:38:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:45,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 20:38:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 20:38:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:38:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 20:38:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 20:38:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 20:38:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:38:45,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:45,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294016496] [2024-10-24 20:38:45,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294016496] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:45,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685053928] [2024-10-24 20:38:45,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:45,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:45,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:45,214 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:45,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:38:45,262 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:45,262 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:45,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:38:45,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:38:45,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:38:45,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685053928] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:45,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:45,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-24 20:38:45,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026135798] [2024-10-24 20:38:45,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:45,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 20:38:45,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:45,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 20:38:45,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:38:45,809 INFO L87 Difference]: Start difference. First operand 242 states and 269 transitions. Second operand has 22 states, 21 states have (on average 14.666666666666666) internal successors, (308), 22 states have internal predecessors, (308), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-24 20:38:46,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:46,142 INFO L93 Difference]: Finished difference Result 264 states and 291 transitions. [2024-10-24 20:38:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:38:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.666666666666666) internal successors, (308), 22 states have internal predecessors, (308), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 163 [2024-10-24 20:38:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:46,145 INFO L225 Difference]: With dead ends: 264 [2024-10-24 20:38:46,145 INFO L226 Difference]: Without dead ends: 263 [2024-10-24 20:38:46,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:38:46,146 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 90 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:46,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 292 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:46,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-24 20:38:46,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 259. [2024-10-24 20:38:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 231 states have (on average 1.0432900432900434) internal successors, (241), 234 states have internal predecessors, (241), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:38:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 287 transitions. [2024-10-24 20:38:46,156 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 287 transitions. Word has length 163 [2024-10-24 20:38:46,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:46,157 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 287 transitions. [2024-10-24 20:38:46,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.666666666666666) internal successors, (308), 22 states have internal predecessors, (308), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-24 20:38:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 287 transitions. [2024-10-24 20:38:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 20:38:46,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:46,158 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-24 20:38:46,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:38:46,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:38:46,360 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:46,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:46,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2110938291, now seen corresponding path program 2 times [2024-10-24 20:38:46,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:46,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155845773] [2024-10-24 20:38:46,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:46,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:46,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860090473] [2024-10-24 20:38:46,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:46,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:46,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:46,388 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:46,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:38:46,450 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:46,451 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:46,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:38:46,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 20:38:46,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 20:38:46,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:46,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155845773] [2024-10-24 20:38:46,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:46,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860090473] [2024-10-24 20:38:46,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860090473] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:46,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:46,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:38:46,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834640955] [2024-10-24 20:38:46,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:46,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:38:46,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:38:46,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:38:46,914 INFO L87 Difference]: Start difference. First operand 259 states and 287 transitions. Second operand has 12 states, 11 states have (on average 24.454545454545453) internal successors, (269), 12 states have internal predecessors, (269), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-24 20:38:47,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:47,365 INFO L93 Difference]: Finished difference Result 364 states and 399 transitions. [2024-10-24 20:38:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:38:47,365 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 24.454545454545453) internal successors, (269), 12 states have internal predecessors, (269), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 199 [2024-10-24 20:38:47,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:47,367 INFO L225 Difference]: With dead ends: 364 [2024-10-24 20:38:47,367 INFO L226 Difference]: Without dead ends: 363 [2024-10-24 20:38:47,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:38:47,368 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 122 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:47,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 683 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:38:47,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-24 20:38:47,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 353. [2024-10-24 20:38:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 317 states have (on average 1.0441640378548895) internal successors, (331), 320 states have internal predecessors, (331), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 20:38:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 393 transitions. [2024-10-24 20:38:47,382 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 393 transitions. Word has length 199 [2024-10-24 20:38:47,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:47,382 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 393 transitions. [2024-10-24 20:38:47,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 24.454545454545453) internal successors, (269), 12 states have internal predecessors, (269), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-24 20:38:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 393 transitions. [2024-10-24 20:38:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 20:38:47,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:47,384 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-24 20:38:47,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:38:47,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 20:38:47,585 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:47,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:47,585 INFO L85 PathProgramCache]: Analyzing trace with hash -834306159, now seen corresponding path program 2 times [2024-10-24 20:38:47,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:47,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580270097] [2024-10-24 20:38:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:47,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:47,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900689251] [2024-10-24 20:38:47,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:47,612 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:47,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:38:47,726 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:47,727 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:47,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 20:38:47,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:38:48,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:38:48,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:48,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580270097] [2024-10-24 20:38:48,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:48,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900689251] [2024-10-24 20:38:48,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900689251] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:48,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:48,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 15 [2024-10-24 20:38:48,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849273036] [2024-10-24 20:38:48,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:48,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 20:38:48,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:48,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 20:38:48,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:38:48,510 INFO L87 Difference]: Start difference. First operand 353 states and 393 transitions. Second operand has 16 states, 15 states have (on average 18.2) internal successors, (273), 16 states have internal predecessors, (273), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-24 20:38:49,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:49,227 INFO L93 Difference]: Finished difference Result 359 states and 398 transitions. [2024-10-24 20:38:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 20:38:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.2) internal successors, (273), 16 states have internal predecessors, (273), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 206 [2024-10-24 20:38:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:49,231 INFO L225 Difference]: With dead ends: 359 [2024-10-24 20:38:49,231 INFO L226 Difference]: Without dead ends: 358 [2024-10-24 20:38:49,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=241, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:38:49,232 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 98 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:49,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 507 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:38:49,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-24 20:38:49,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2024-10-24 20:38:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 319 states have (on average 1.0282131661442007) internal successors, (328), 322 states have internal predecessors, (328), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 20:38:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 392 transitions. [2024-10-24 20:38:49,245 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 392 transitions. Word has length 206 [2024-10-24 20:38:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:49,245 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 392 transitions. [2024-10-24 20:38:49,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.2) internal successors, (273), 16 states have internal predecessors, (273), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-24 20:38:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 392 transitions. [2024-10-24 20:38:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-24 20:38:49,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:49,248 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-24 20:38:49,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:49,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:49,452 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:49,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1889259167, now seen corresponding path program 2 times [2024-10-24 20:38:49,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:49,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873632685] [2024-10-24 20:38:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 20:38:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 20:38:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:38:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 20:38:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 20:38:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 20:38:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 20:38:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 20:38:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 20:38:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 20:38:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 20:38:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 20:38:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 20:38:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 20:38:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-24 20:38:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-24 20:38:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 20:38:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:49,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873632685] [2024-10-24 20:38:49,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873632685] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:49,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687351704] [2024-10-24 20:38:49,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:49,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:49,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:49,977 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:49,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:38:50,049 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:50,049 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:50,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:38:50,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2024-10-24 20:38:50,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:50,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687351704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:50,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:50,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 19 [2024-10-24 20:38:50,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728398842] [2024-10-24 20:38:50,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:50,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:38:50,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:50,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:38:50,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:38:50,121 INFO L87 Difference]: Start difference. First operand 356 states and 392 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (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) [2024-10-24 20:38:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:50,159 INFO L93 Difference]: Finished difference Result 356 states and 392 transitions. [2024-10-24 20:38:50,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:38:50,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (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 318 [2024-10-24 20:38:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:50,161 INFO L225 Difference]: With dead ends: 356 [2024-10-24 20:38:50,161 INFO L226 Difference]: Without dead ends: 355 [2024-10-24 20:38:50,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:38:50,162 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:50,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 93 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:38:50,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-24 20:38:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-10-24 20:38:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 319 states have (on average 1.0156739811912225) internal successors, (324), 321 states have internal predecessors, (324), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 20:38:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 388 transitions. [2024-10-24 20:38:50,173 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 388 transitions. Word has length 318 [2024-10-24 20:38:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:50,174 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 388 transitions. [2024-10-24 20:38:50,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (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) [2024-10-24 20:38:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 388 transitions. [2024-10-24 20:38:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-10-24 20:38:50,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:50,177 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-10-24 20:38:50,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:50,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-10-24 20:38:50,378 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:50,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:50,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1122150871, now seen corresponding path program 3 times [2024-10-24 20:38:50,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:50,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257110825] [2024-10-24 20:38:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:50,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 20:38:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 20:38:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:38:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 20:38:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 20:38:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 20:38:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 20:38:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:38:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 20:38:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 20:38:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 20:38:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 20:38:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 20:38:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 20:38:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 20:38:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 20:38:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 20:38:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 20:38:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 20:38:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-24 20:38:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-24 20:38:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 20:38:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 20:38:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 20:38:50,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:50,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257110825] [2024-10-24 20:38:50,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257110825] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:50,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101561132] [2024-10-24 20:38:50,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:38:50,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:50,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:50,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:50,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:38:50,897 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 20:38:50,897 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:50,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 20:38:50,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 126 proven. 155 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2024-10-24 20:38:51,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:52,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101561132] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:52,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:52,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 25 [2024-10-24 20:38:52,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208506319] [2024-10-24 20:38:52,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:52,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 20:38:52,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:52,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 20:38:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=879, Unknown=0, NotChecked=0, Total=992 [2024-10-24 20:38:52,569 INFO L87 Difference]: Start difference. First operand 355 states and 388 transitions. Second operand has 26 states, 25 states have (on average 11.56) internal successors, (289), 26 states have internal predecessors, (289), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-24 20:38:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:53,141 INFO L93 Difference]: Finished difference Result 357 states and 390 transitions. [2024-10-24 20:38:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:38:53,141 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 11.56) internal successors, (289), 26 states have internal predecessors, (289), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 343 [2024-10-24 20:38:53,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:53,143 INFO L225 Difference]: With dead ends: 357 [2024-10-24 20:38:53,143 INFO L226 Difference]: Without dead ends: 355 [2024-10-24 20:38:53,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=343, Invalid=1379, Unknown=0, NotChecked=0, Total=1722 [2024-10-24 20:38:53,144 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 249 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:53,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 109 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-24 20:38:53,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 350. [2024-10-24 20:38:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 317 states have (on average 1.003154574132492) internal successors, (318), 317 states have internal predecessors, (318), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 20:38:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 380 transitions. [2024-10-24 20:38:53,167 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 380 transitions. Word has length 343 [2024-10-24 20:38:53,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:53,167 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 380 transitions. [2024-10-24 20:38:53,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 11.56) internal successors, (289), 26 states have internal predecessors, (289), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-24 20:38:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 380 transitions. [2024-10-24 20:38:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-10-24 20:38:53,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:53,169 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-24 20:38:53,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:38:53,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:53,374 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-24 20:38:53,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:53,374 INFO L85 PathProgramCache]: Analyzing trace with hash 634951987, now seen corresponding path program 3 times [2024-10-24 20:38:53,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:53,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764096333] [2024-10-24 20:38:53,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:53,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:53,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443843156] [2024-10-24 20:38:53,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:38:53,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:53,423 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:53,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:38:53,471 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 20:38:53,472 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:53,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 20:38:53,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2024-10-24 20:38:53,666 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:53,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:53,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764096333] [2024-10-24 20:38:53,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:53,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443843156] [2024-10-24 20:38:53,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443843156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:53,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:53,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 20:38:53,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992987444] [2024-10-24 20:38:53,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:53,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:38:53,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:53,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:38:53,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:38:53,668 INFO L87 Difference]: Start difference. First operand 350 states and 380 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-24 20:38:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:54,169 INFO L93 Difference]: Finished difference Result 350 states and 380 transitions. [2024-10-24 20:38:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:38:54,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 469 [2024-10-24 20:38:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:54,171 INFO L225 Difference]: With dead ends: 350 [2024-10-24 20:38:54,171 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 20:38:54,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:38:54,172 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 122 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:54,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 63 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:38:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 20:38:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 20:38:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 20:38:54,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 469 [2024-10-24 20:38:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:54,173 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 20:38:54,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-24 20:38:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 20:38:54,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 20:38:54,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining) [2024-10-24 20:38:54,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining) [2024-10-24 20:38:54,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining) [2024-10-24 20:38:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining) [2024-10-24 20:38:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining) [2024-10-24 20:38:54,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining) [2024-10-24 20:38:54,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:54,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:54,387 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:54,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 20:38:55,385 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 20:38:55,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:38:55 BoogieIcfgContainer [2024-10-24 20:38:55,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:38:55,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:38:55,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:38:55,424 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:38:55,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:38:37" (3/4) ... [2024-10-24 20:38:55,426 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:38:55,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:38:55,438 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-24 20:38:55,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-24 20:38:55,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 20:38:55,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:38:55,528 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:38:55,530 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:38:55,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:38:55,531 INFO L158 Benchmark]: Toolchain (without parser) took 19175.76ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 83.5MB in the beginning and 176.1MB in the end (delta: -92.6MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2024-10-24 20:38:55,531 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 109.1MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:38:55,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.53ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 114.1MB in the end (delta: -30.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-10-24 20:38:55,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.62ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:38:55,532 INFO L158 Benchmark]: Boogie Preprocessor took 52.24ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 110.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:38:55,532 INFO L158 Benchmark]: RCFGBuilder took 360.68ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 90.7MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 20:38:55,532 INFO L158 Benchmark]: TraceAbstraction took 18379.87ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 90.3MB in the beginning and 182.4MB in the end (delta: -92.1MB). Peak memory consumption was 184.8MB. Max. memory is 16.1GB. [2024-10-24 20:38:55,533 INFO L158 Benchmark]: Witness Printer took 108.32ms. Allocated memory is still 360.7MB. Free memory was 182.4MB in the beginning and 176.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 20:38:55,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 109.1MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.53ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 114.1MB in the end (delta: -30.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.62ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.24ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 110.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.68ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 90.7MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 18379.87ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 90.3MB in the beginning and 182.4MB in the end (delta: -92.1MB). Peak memory consumption was 184.8MB. Max. memory is 16.1GB. * Witness Printer took 108.32ms. Allocated memory is still 360.7MB. Free memory was 182.4MB in the beginning and 176.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 22, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1972 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1910 mSDsluCounter, 4597 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3097 mSDsCounter, 265 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4458 IncrementalHoareTripleChecker+Invalid, 4723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 265 mSolverCounterUnsat, 1500 mSDtfsCounter, 4458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3683 GetRequests, 3474 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=19, InterpolantAutomatonStates: 154, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 348 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 4832 NumberOfCodeBlocks, 4135 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 4794 ConstructedInterpolants, 4 QuantifiedInterpolants, 21510 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2666 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 11532/15130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 50 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((n <= 100) && (t == 1)) && (a == 0)) && (0 <= n)) && (s == 1)) || (((((((((((((((__int128) t * t) + ((__int128) 2 * t)) + 1) >= 0) ? (((((__int128) t * t) + ((__int128) 2 * t)) + 1) % 4) : ((((((__int128) t * t) + ((__int128) 2 * t)) + 1) % 4) + 4)) == 0) && (n <= 100)) && (((__int128) t + 1) <= s)) && (s <= 2863311528)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (s <= ((__int128) t + 100))) && (0 <= n))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-24 20:38:55,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE