./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.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 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:30:25,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:30:25,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:30:25,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:30:25,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:30:25,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:30:25,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:30:25,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:30:25,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:30:25,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:30:25,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:30:25,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:30:25,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:30:25,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:30:25,509 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:30:25,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:30:25,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:30:25,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:30:25,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:30:25,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:30:25,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:30:25,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:30:25,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:30:25,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:30:25,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:30:25,513 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:30:25,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:30:25,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:30:25,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:30:25,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:30:25,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:30:25,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:30:25,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:30:25,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:30:25,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:30:25,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:30:25,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:30:25,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:30:25,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e [2024-11-22 22:30:25,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:30:25,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:30:25,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:30:25,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:30:25,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:30:25,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2024-11-22 22:30:26,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:30:27,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:30:27,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2024-11-22 22:30:27,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddae93fdc/c5793520c03044c2a2b01fc379a80483/FLAGac44eaf2d [2024-11-22 22:30:27,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddae93fdc/c5793520c03044c2a2b01fc379a80483 [2024-11-22 22:30:27,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:30:27,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:30:27,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:30:27,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:30:27,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:30:27,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea0a651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27, skipping insertion in model container [2024-11-22 22:30:27,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:30:27,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:30:27,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:30:27,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:30:27,741 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:30:27,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27 WrapperNode [2024-11-22 22:30:27,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:30:27,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:30:27,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:30:27,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:30:27,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,768 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-22 22:30:27,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:30:27,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:30:27,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:30:27,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:30:27,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,788 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 22:30:27,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:30:27,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:30:27,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:30:27,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:30:27,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (1/1) ... [2024-11-22 22:30:27,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:30:27,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:27,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:30:27,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:30:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:30:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:30:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:30:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:30:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:30:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:30:27,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:30:27,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:30:28,122 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-22 22:30:28,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:30:28,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:30:28,133 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 22:30:28,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:28 BoogieIcfgContainer [2024-11-22 22:30:28,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:30:28,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:30:28,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:30:28,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:30:28,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:30:27" (1/3) ... [2024-11-22 22:30:28,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151419b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:30:28, skipping insertion in model container [2024-11-22 22:30:28,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:27" (2/3) ... [2024-11-22 22:30:28,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151419b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:30:28, skipping insertion in model container [2024-11-22 22:30:28,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:28" (3/3) ... [2024-11-22 22:30:28,139 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound100.c [2024-11-22 22:30:28,151 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:30:28,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-22 22:30:28,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:30:28,215 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;@1c11ecf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:30:28,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-22 22:30:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:30:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:30:28,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:28,226 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:30:28,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:28,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-22 22:30:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:28,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767564849] [2024-11-22 22:30:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:28,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:28,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767564849] [2024-11-22 22:30:28,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767564849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:28,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:28,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:28,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037974862] [2024-11-22 22:30:28,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:28,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:30:28,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:28,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:30:28,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:30:28,384 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:28,409 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2024-11-22 22:30:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:30:28,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:30:28,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:28,417 INFO L225 Difference]: With dead ends: 186 [2024-11-22 22:30:28,417 INFO L226 Difference]: Without dead ends: 88 [2024-11-22 22:30:28,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:30:28,423 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:28,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-22 22:30:28,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-22 22:30:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:30:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-22 22:30:28,465 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2024-11-22 22:30:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:28,465 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-22 22:30:28,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-22 22:30:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:30:28,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:28,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:30:28,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:30:28,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:28,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:28,468 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-22 22:30:28,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:28,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899478706] [2024-11-22 22:30:28,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:28,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:28,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899478706] [2024-11-22 22:30:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899478706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:28,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:28,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720226400] [2024-11-22 22:30:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:28,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:28,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:28,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:28,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:28,552 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:28,610 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2024-11-22 22:30:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:28,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:30:28,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:28,612 INFO L225 Difference]: With dead ends: 126 [2024-11-22 22:30:28,612 INFO L226 Difference]: Without dead ends: 125 [2024-11-22 22:30:28,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:28,613 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:28,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-22 22:30:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2024-11-22 22:30:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:30:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2024-11-22 22:30:28,625 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2024-11-22 22:30:28,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:28,626 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2024-11-22 22:30:28,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,626 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-22 22:30:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:30:28,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:28,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:28,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:30:28,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:28,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:28,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-22 22:30:28,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:28,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124534555] [2024-11-22 22:30:28,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:28,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:28,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:28,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124534555] [2024-11-22 22:30:28,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124534555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:28,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:28,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:28,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650916709] [2024-11-22 22:30:28,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:28,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:28,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:28,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:28,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:28,682 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:28,710 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2024-11-22 22:30:28,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:28,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-22 22:30:28,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:28,712 INFO L225 Difference]: With dead ends: 113 [2024-11-22 22:30:28,713 INFO L226 Difference]: Without dead ends: 104 [2024-11-22 22:30:28,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:28,714 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:28,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:28,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-22 22:30:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-22 22:30:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:30:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2024-11-22 22:30:28,722 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2024-11-22 22:30:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:28,722 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2024-11-22 22:30:28,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-11-22 22:30:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:30:28,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:28,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:28,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:30:28,723 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:28,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-22 22:30:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:28,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434969311] [2024-11-22 22:30:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:28,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:28,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096331954] [2024-11-22 22:30:28,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:28,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:28,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:28,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:30:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:28,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:30:28,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:28,827 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:28,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:28,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434969311] [2024-11-22 22:30:28,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:28,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096331954] [2024-11-22 22:30:28,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096331954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:28,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:28,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:28,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44261896] [2024-11-22 22:30:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:28,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:30:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:28,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:30:28,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:28,830 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:28,885 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2024-11-22 22:30:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:30:28,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 22:30:28,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:28,887 INFO L225 Difference]: With dead ends: 119 [2024-11-22 22:30:28,887 INFO L226 Difference]: Without dead ends: 117 [2024-11-22 22:30:28,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:28,890 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:28,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-22 22:30:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2024-11-22 22:30:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:30:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2024-11-22 22:30:28,903 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2024-11-22 22:30:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:28,904 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2024-11-22 22:30:28,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-22 22:30:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:30:28,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:28,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:28,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:29,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:29,110 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:29,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2005702327, now seen corresponding path program 1 times [2024-11-22 22:30:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91589741] [2024-11-22 22:30:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:29,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523410154] [2024-11-22 22:30:29,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:29,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:29,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:29,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:29,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:30:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:29,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:30:29,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:29,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:29,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:29,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91589741] [2024-11-22 22:30:29,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:29,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523410154] [2024-11-22 22:30:29,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523410154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:29,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:29,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:29,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000661438] [2024-11-22 22:30:29,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:29,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:30:29,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:29,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:30:29,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:29,212 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:29,294 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2024-11-22 22:30:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:30:29,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-22 22:30:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:29,296 INFO L225 Difference]: With dead ends: 160 [2024-11-22 22:30:29,296 INFO L226 Difference]: Without dead ends: 154 [2024-11-22 22:30:29,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:29,298 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:29,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:29,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-22 22:30:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2024-11-22 22:30:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2024-11-22 22:30:29,310 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2024-11-22 22:30:29,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:29,310 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2024-11-22 22:30:29,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2024-11-22 22:30:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:30:29,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:29,311 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:29,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:30:29,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:29,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:29,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash -960377671, now seen corresponding path program 1 times [2024-11-22 22:30:29,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:29,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616829812] [2024-11-22 22:30:29,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:29,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:29,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600027781] [2024-11-22 22:30:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:29,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:29,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:29,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:30:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:29,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:30:29,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:29,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:29,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616829812] [2024-11-22 22:30:29,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600027781] [2024-11-22 22:30:29,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600027781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:29,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:29,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:29,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163727391] [2024-11-22 22:30:29,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:29,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:29,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:29,663 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:29,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:29,776 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2024-11-22 22:30:29,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:29,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-22 22:30:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:29,777 INFO L225 Difference]: With dead ends: 153 [2024-11-22 22:30:29,777 INFO L226 Difference]: Without dead ends: 150 [2024-11-22 22:30:29,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:29,778 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:29,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-22 22:30:29,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2024-11-22 22:30:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2024-11-22 22:30:29,786 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2024-11-22 22:30:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:29,786 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2024-11-22 22:30:29,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2024-11-22 22:30:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:30:29,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:29,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:29,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:29,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:29,987 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:29,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:29,988 INFO L85 PathProgramCache]: Analyzing trace with hash 293063337, now seen corresponding path program 1 times [2024-11-22 22:30:29,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:29,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47869625] [2024-11-22 22:30:29,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:29,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:30,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997498851] [2024-11-22 22:30:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:30,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:30,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:30,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:30,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:30:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:30,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:30:30,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:30,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:30,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47869625] [2024-11-22 22:30:30,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:30,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997498851] [2024-11-22 22:30:30,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997498851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:30,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:30,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:30,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743739811] [2024-11-22 22:30:30,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:30,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:30,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:30,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:30,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:30,102 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:30,206 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2024-11-22 22:30:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:30,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-22 22:30:30,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:30,207 INFO L225 Difference]: With dead ends: 153 [2024-11-22 22:30:30,208 INFO L226 Difference]: Without dead ends: 146 [2024-11-22 22:30:30,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:30,208 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:30,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:30,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-22 22:30:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-22 22:30:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2024-11-22 22:30:30,218 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2024-11-22 22:30:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:30,218 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2024-11-22 22:30:30,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2024-11-22 22:30:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 22:30:30,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:30,219 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] [2024-11-22 22:30:30,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:30:30,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:30,419 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:30,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:30,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1200878525, now seen corresponding path program 1 times [2024-11-22 22:30:30,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:30,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825052827] [2024-11-22 22:30:30,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:30,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:30,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825052827] [2024-11-22 22:30:30,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825052827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:30,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:30,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808818054] [2024-11-22 22:30:30,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:30,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:30,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:30,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:30,521 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) [2024-11-22 22:30:30,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:30,580 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2024-11-22 22:30:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:30:30,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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 [2024-11-22 22:30:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:30,582 INFO L225 Difference]: With dead ends: 130 [2024-11-22 22:30:30,583 INFO L226 Difference]: Without dead ends: 128 [2024-11-22 22:30:30,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:30,584 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 149 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:30,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 247 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:30,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-22 22:30:30,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-22 22:30:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.6097560975609757) internal successors, (132), 113 states have internal predecessors, (132), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-11-22 22:30:30,597 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 27 [2024-11-22 22:30:30,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:30,597 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-11-22 22:30:30,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) [2024-11-22 22:30:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-11-22 22:30:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:30:30,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:30,598 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:30,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:30:30,600 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:30,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:30,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1427471308, now seen corresponding path program 1 times [2024-11-22 22:30:30,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:30,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57783193] [2024-11-22 22:30:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:30,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:30,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57783193] [2024-11-22 22:30:30,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57783193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:30,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:30,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:30,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779185623] [2024-11-22 22:30:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:30,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:30,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:30,701 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-11-22 22:30:30,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:30,750 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2024-11-22 22:30:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:30:30,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 28 [2024-11-22 22:30:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:30,752 INFO L225 Difference]: With dead ends: 214 [2024-11-22 22:30:30,752 INFO L226 Difference]: Without dead ends: 132 [2024-11-22 22:30:30,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:30,753 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:30,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 347 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:30,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-22 22:30:30,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-22 22:30:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 117 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-22 22:30:30,763 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 28 [2024-11-22 22:30:30,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:30,765 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-22 22:30:30,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-11-22 22:30:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-22 22:30:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:30:30,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:30,766 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] [2024-11-22 22:30:30,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:30:30,766 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:30,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1705356810, now seen corresponding path program 1 times [2024-11-22 22:30:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:30,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207863869] [2024-11-22 22:30:30,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:30,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:30,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999269241] [2024-11-22 22:30:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:30,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:30,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:30,787 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:30,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:30:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:30,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:30,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:30,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:30,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207863869] [2024-11-22 22:30:30,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999269241] [2024-11-22 22:30:30,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999269241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:30,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:30,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:30,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725983374] [2024-11-22 22:30:30,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:30,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:30,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:30,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:30,860 INFO L87 Difference]: Start difference. First operand 132 states and 160 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) [2024-11-22 22:30:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:30,969 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2024-11-22 22:30:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:30,969 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 [2024-11-22 22:30:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:30,970 INFO L225 Difference]: With dead ends: 206 [2024-11-22 22:30:30,970 INFO L226 Difference]: Without dead ends: 201 [2024-11-22 22:30:30,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:30,971 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:30,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 96 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-22 22:30:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2024-11-22 22:30:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.5891472868217054) internal successors, (205), 160 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-11-22 22:30:30,984 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 30 [2024-11-22 22:30:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:30,984 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-11-22 22:30:30,984 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) [2024-11-22 22:30:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-11-22 22:30:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:30:30,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:30,986 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:30,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:31,186 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,SelfDestructingSolverStorable9 [2024-11-22 22:30:31,187 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:31,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:31,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1326453468, now seen corresponding path program 1 times [2024-11-22 22:30:31,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:31,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638170440] [2024-11-22 22:30:31,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:31,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:31,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622200585] [2024-11-22 22:30:31,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:31,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:31,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:31,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:31,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:30:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:31,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:31,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:31,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:31,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:31,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638170440] [2024-11-22 22:30:31,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:31,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622200585] [2024-11-22 22:30:31,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622200585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:31,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:31,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:31,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287279158] [2024-11-22 22:30:31,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:31,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:31,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:31,284 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (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) [2024-11-22 22:30:31,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:31,384 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2024-11-22 22:30:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:31,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (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 31 [2024-11-22 22:30:31,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:31,386 INFO L225 Difference]: With dead ends: 204 [2024-11-22 22:30:31,386 INFO L226 Difference]: Without dead ends: 201 [2024-11-22 22:30:31,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:31,386 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 115 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:31,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 96 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:31,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-22 22:30:31,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2024-11-22 22:30:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.5538461538461539) internal successors, (202), 161 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2024-11-22 22:30:31,398 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 31 [2024-11-22 22:30:31,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:31,399 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-22 22:30:31,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (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) [2024-11-22 22:30:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2024-11-22 22:30:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:30:31,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:31,400 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:31,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:30:31,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:31,605 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:31,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:31,606 INFO L85 PathProgramCache]: Analyzing trace with hash 591737897, now seen corresponding path program 1 times [2024-11-22 22:30:31,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:31,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358287625] [2024-11-22 22:30:31,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:31,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:31,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:31,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358287625] [2024-11-22 22:30:31,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358287625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:31,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:31,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:31,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566746714] [2024-11-22 22:30:31,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:31,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:31,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:31,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:31,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:31,678 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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) [2024-11-22 22:30:31,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:31,817 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2024-11-22 22:30:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:31,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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 51 [2024-11-22 22:30:31,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:31,819 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:30:31,820 INFO L226 Difference]: Without dead ends: 217 [2024-11-22 22:30:31,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:31,820 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 133 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:31,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:31,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-22 22:30:31,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2024-11-22 22:30:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.5303030303030303) internal successors, (202), 163 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2024-11-22 22:30:31,833 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 51 [2024-11-22 22:30:31,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:31,834 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2024-11-22 22:30:31,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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) [2024-11-22 22:30:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2024-11-22 22:30:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:30:31,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:31,836 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:31,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:30:31,837 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:31,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:31,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1164005728, now seen corresponding path program 1 times [2024-11-22 22:30:31,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:31,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648347043] [2024-11-22 22:30:31,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:31,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:31,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:31,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648347043] [2024-11-22 22:30:31,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648347043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:31,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:31,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:31,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031883259] [2024-11-22 22:30:31,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:31,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:31,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:31,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:31,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:31,904 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2024-11-22 22:30:32,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:32,029 INFO L93 Difference]: Finished difference Result 219 states and 267 transitions. [2024-11-22 22:30:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:32,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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 52 [2024-11-22 22:30:32,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:32,031 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:30:32,032 INFO L226 Difference]: Without dead ends: 217 [2024-11-22 22:30:32,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:32,033 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:32,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-22 22:30:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2024-11-22 22:30:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.507462686567164) internal successors, (202), 165 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2024-11-22 22:30:32,047 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 52 [2024-11-22 22:30:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:32,047 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2024-11-22 22:30:32,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2024-11-22 22:30:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2024-11-22 22:30:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:30:32,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:32,049 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:32,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:30:32,049 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:32,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:32,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1918011170, now seen corresponding path program 1 times [2024-11-22 22:30:32,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:32,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043990595] [2024-11-22 22:30:32,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:32,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:32,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043990595] [2024-11-22 22:30:32,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043990595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:32,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:32,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:32,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174767919] [2024-11-22 22:30:32,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:32,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:32,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:32,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:32,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:32,149 INFO L87 Difference]: Start difference. First operand 188 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:32,200 INFO L93 Difference]: Finished difference Result 188 states and 242 transitions. [2024-11-22 22:30:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:32,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-22 22:30:32,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:32,203 INFO L225 Difference]: With dead ends: 188 [2024-11-22 22:30:32,203 INFO L226 Difference]: Without dead ends: 187 [2024-11-22 22:30:32,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:32,204 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:32,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-22 22:30:32,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-22 22:30:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 164 states have internal predecessors, (198), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 238 transitions. [2024-11-22 22:30:32,213 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 238 transitions. Word has length 54 [2024-11-22 22:30:32,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:32,213 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 238 transitions. [2024-11-22 22:30:32,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2024-11-22 22:30:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:30:32,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:32,216 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:32,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:30:32,216 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:32,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:32,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1918011128, now seen corresponding path program 1 times [2024-11-22 22:30:32,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:32,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372538716] [2024-11-22 22:30:32,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:32,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:32,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:32,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372538716] [2024-11-22 22:30:32,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372538716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:32,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:32,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:32,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863621337] [2024-11-22 22:30:32,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:32,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:30:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:32,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:30:32,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:32,262 INFO L87 Difference]: Start difference. First operand 187 states and 238 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-22 22:30:32,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:32,299 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2024-11-22 22:30:32,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:30:32,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 54 [2024-11-22 22:30:32,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:32,300 INFO L225 Difference]: With dead ends: 192 [2024-11-22 22:30:32,300 INFO L226 Difference]: Without dead ends: 191 [2024-11-22 22:30:32,300 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 [2024-11-22 22:30:32,301 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:32,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-22 22:30:32,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-22 22:30:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 164 states have internal predecessors, (197), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2024-11-22 22:30:32,309 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 54 [2024-11-22 22:30:32,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:32,309 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2024-11-22 22:30:32,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-22 22:30:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2024-11-22 22:30:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:30:32,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:32,310 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:32,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:30:32,310 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:32,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash -671195760, now seen corresponding path program 1 times [2024-11-22 22:30:32,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:32,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654694690] [2024-11-22 22:30:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:32,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:32,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654694690] [2024-11-22 22:30:32,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654694690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:32,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:32,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:32,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095324949] [2024-11-22 22:30:32,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:32,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:32,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:32,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:32,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:32,403 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-22 22:30:32,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:32,714 INFO L93 Difference]: Finished difference Result 259 states and 327 transitions. [2024-11-22 22:30:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:32,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 55 [2024-11-22 22:30:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:32,715 INFO L225 Difference]: With dead ends: 259 [2024-11-22 22:30:32,716 INFO L226 Difference]: Without dead ends: 258 [2024-11-22 22:30:32,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:30:32,716 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 317 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:32,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 278 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-22 22:30:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 222. [2024-11-22 22:30:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 194 states have internal predecessors, (241), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:30:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2024-11-22 22:30:32,729 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 55 [2024-11-22 22:30:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:32,730 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2024-11-22 22:30:32,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-22 22:30:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2024-11-22 22:30:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:30:32,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:32,730 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:32,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:30:32,730 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:32,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:32,731 INFO L85 PathProgramCache]: Analyzing trace with hash -671197042, now seen corresponding path program 1 times [2024-11-22 22:30:32,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:32,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210421692] [2024-11-22 22:30:32,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:32,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:32,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:32,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210421692] [2024-11-22 22:30:32,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210421692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:32,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:32,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:30:32,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173136503] [2024-11-22 22:30:32,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:32,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:30:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:32,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:30:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:32,790 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:32,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:32,880 INFO L93 Difference]: Finished difference Result 368 states and 495 transitions. [2024-11-22 22:30:32,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:32,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2024-11-22 22:30:32,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:32,882 INFO L225 Difference]: With dead ends: 368 [2024-11-22 22:30:32,882 INFO L226 Difference]: Without dead ends: 367 [2024-11-22 22:30:32,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:32,883 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 192 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:32,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 217 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:32,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-22 22:30:32,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 334. [2024-11-22 22:30:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 261 states have (on average 1.5134099616858236) internal successors, (395), 291 states have internal predecessors, (395), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-22 22:30:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 475 transitions. [2024-11-22 22:30:32,898 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 475 transitions. Word has length 55 [2024-11-22 22:30:32,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:32,898 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 475 transitions. [2024-11-22 22:30:32,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 475 transitions. [2024-11-22 22:30:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 22:30:32,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:32,899 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:32,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:30:32,899 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:32,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:32,899 INFO L85 PathProgramCache]: Analyzing trace with hash 667728314, now seen corresponding path program 1 times [2024-11-22 22:30:32,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:32,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557478962] [2024-11-22 22:30:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:32,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:32,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557478962] [2024-11-22 22:30:32,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557478962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:32,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:32,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:32,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969083015] [2024-11-22 22:30:32,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:32,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:32,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:32,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:32,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:32,942 INFO L87 Difference]: Start difference. First operand 334 states and 475 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:30:33,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:33,053 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2024-11-22 22:30:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:33,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-11-22 22:30:33,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:33,054 INFO L225 Difference]: With dead ends: 361 [2024-11-22 22:30:33,054 INFO L226 Difference]: Without dead ends: 359 [2024-11-22 22:30:33,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:33,055 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:33,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 165 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-22 22:30:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 338. [2024-11-22 22:30:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 295 states have internal predecessors, (399), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-22 22:30:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2024-11-22 22:30:33,070 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 56 [2024-11-22 22:30:33,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:33,070 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2024-11-22 22:30:33,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:30:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2024-11-22 22:30:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-22 22:30:33,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:33,070 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:33,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:30:33,071 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:33,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:33,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1689996578, now seen corresponding path program 1 times [2024-11-22 22:30:33,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:33,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540994862] [2024-11-22 22:30:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:33,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:33,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540994862] [2024-11-22 22:30:33,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540994862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:33,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468951656] [2024-11-22 22:30:33,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:33,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:33,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:33,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:30:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:33,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:30:33,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:30:33,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:33,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468951656] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:33,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:30:33,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-22 22:30:33,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715207932] [2024-11-22 22:30:33,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:33,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:33,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:33,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:33,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:30:33,348 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-22 22:30:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:33,448 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2024-11-22 22:30:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:30:33,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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 60 [2024-11-22 22:30:33,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:33,450 INFO L225 Difference]: With dead ends: 373 [2024-11-22 22:30:33,450 INFO L226 Difference]: Without dead ends: 371 [2024-11-22 22:30:33,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:30:33,451 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 110 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:33,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 394 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-22 22:30:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 346. [2024-11-22 22:30:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 301 states have internal predecessors, (397), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-22 22:30:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2024-11-22 22:30:33,465 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 60 [2024-11-22 22:30:33,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:33,466 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2024-11-22 22:30:33,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-22 22:30:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2024-11-22 22:30:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:30:33,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:33,466 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:33,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:30:33,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:33,667 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:33,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:33,667 INFO L85 PathProgramCache]: Analyzing trace with hash -589071846, now seen corresponding path program 1 times [2024-11-22 22:30:33,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:33,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159488290] [2024-11-22 22:30:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:33,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:33,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159488290] [2024-11-22 22:30:33,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159488290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:33,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720393789] [2024-11-22 22:30:33,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:33,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:33,753 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:33,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:30:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:33,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:30:33,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:30:33,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:33,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720393789] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:33,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:33,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-22 22:30:33,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963125968] [2024-11-22 22:30:33,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:33,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:30:33,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:30:33,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:30:33,924 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-22 22:30:34,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:34,093 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2024-11-22 22:30:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:30:34,094 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 62 [2024-11-22 22:30:34,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:34,095 INFO L225 Difference]: With dead ends: 637 [2024-11-22 22:30:34,096 INFO L226 Difference]: Without dead ends: 478 [2024-11-22 22:30:34,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:30:34,098 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 107 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:34,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 751 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:34,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-22 22:30:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 433. [2024-11-22 22:30:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.433139534883721) internal successors, (493), 376 states have internal predecessors, (493), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-22 22:30:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-22 22:30:34,119 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 62 [2024-11-22 22:30:34,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:34,119 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-22 22:30:34,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-22 22:30:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-22 22:30:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:30:34,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:34,122 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:34,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:30:34,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:34,322 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:34,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:34,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1439624477, now seen corresponding path program 1 times [2024-11-22 22:30:34,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:34,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353319081] [2024-11-22 22:30:34,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:34,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595400662] [2024-11-22 22:30:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:34,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:34,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:34,339 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:34,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:30:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:34,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:30:34,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:34,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353319081] [2024-11-22 22:30:34,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595400662] [2024-11-22 22:30:34,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595400662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:34,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:34,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:30:34,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858800891] [2024-11-22 22:30:34,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:34,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:34,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:34,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:34,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:34,619 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:34,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:34,902 INFO L93 Difference]: Finished difference Result 626 states and 867 transitions. [2024-11-22 22:30:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:30:34,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-22 22:30:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:34,905 INFO L225 Difference]: With dead ends: 626 [2024-11-22 22:30:34,905 INFO L226 Difference]: Without dead ends: 617 [2024-11-22 22:30:34,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:34,905 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 300 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:34,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 176 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:34,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-22 22:30:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 588. [2024-11-22 22:30:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 479 states have (on average 1.407098121085595) internal successors, (674), 511 states have internal predecessors, (674), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-22 22:30:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 814 transitions. [2024-11-22 22:30:34,931 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 814 transitions. Word has length 69 [2024-11-22 22:30:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:34,931 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 814 transitions. [2024-11-22 22:30:34,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 814 transitions. [2024-11-22 22:30:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:30:34,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:34,932 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:34,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:35,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:35,137 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:35,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:35,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1678685765, now seen corresponding path program 1 times [2024-11-22 22:30:35,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:35,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446242930] [2024-11-22 22:30:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:35,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:35,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [995338214] [2024-11-22 22:30:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:35,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:35,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:35,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:30:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:35,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:30:35,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:35,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:35,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:35,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446242930] [2024-11-22 22:30:35,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:35,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995338214] [2024-11-22 22:30:35,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995338214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:35,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:35,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:30:35,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903513399] [2024-11-22 22:30:35,684 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:35,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:35,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:35,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:35,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:35,685 INFO L87 Difference]: Start difference. First operand 588 states and 814 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:35,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:35,886 INFO L93 Difference]: Finished difference Result 657 states and 894 transitions. [2024-11-22 22:30:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:30:35,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-22 22:30:35,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:35,889 INFO L225 Difference]: With dead ends: 657 [2024-11-22 22:30:35,889 INFO L226 Difference]: Without dead ends: 654 [2024-11-22 22:30:35,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:30:35,889 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 152 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:35,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 195 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:35,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-22 22:30:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 619. [2024-11-22 22:30:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 506 states have (on average 1.4051383399209487) internal successors, (711), 537 states have internal predecessors, (711), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-22 22:30:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2024-11-22 22:30:35,920 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 70 [2024-11-22 22:30:35,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:35,920 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2024-11-22 22:30:35,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2024-11-22 22:30:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:30:35,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:35,921 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:35,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:36,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-22 22:30:36,125 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:36,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:36,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1783774041, now seen corresponding path program 1 times [2024-11-22 22:30:36,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:36,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219811788] [2024-11-22 22:30:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:36,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [911472738] [2024-11-22 22:30:36,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:36,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:36,137 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:36,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:30:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:36,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:30:36,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:36,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:36,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:36,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219811788] [2024-11-22 22:30:36,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:36,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911472738] [2024-11-22 22:30:36,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911472738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:36,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:36,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:30:36,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600579253] [2024-11-22 22:30:36,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:36,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:36,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:36,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:36,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:36,309 INFO L87 Difference]: Start difference. First operand 619 states and 859 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:36,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:36,516 INFO L93 Difference]: Finished difference Result 658 states and 927 transitions. [2024-11-22 22:30:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:30:36,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-22 22:30:36,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:36,520 INFO L225 Difference]: With dead ends: 658 [2024-11-22 22:30:36,521 INFO L226 Difference]: Without dead ends: 654 [2024-11-22 22:30:36,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:36,521 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 157 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:36,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 218 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:36,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-22 22:30:36,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 615. [2024-11-22 22:30:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 506 states have (on average 1.3794466403162056) internal successors, (698), 533 states have internal predecessors, (698), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-22 22:30:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 846 transitions. [2024-11-22 22:30:36,548 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 846 transitions. Word has length 71 [2024-11-22 22:30:36,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:36,549 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 846 transitions. [2024-11-22 22:30:36,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 846 transitions. [2024-11-22 22:30:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:30:36,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:36,550 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:36,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:36,750 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,SelfDestructingSolverStorable22 [2024-11-22 22:30:36,750 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:36,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:36,750 INFO L85 PathProgramCache]: Analyzing trace with hash -499651099, now seen corresponding path program 1 times [2024-11-22 22:30:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:36,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770546436] [2024-11-22 22:30:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:36,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:36,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770546436] [2024-11-22 22:30:36,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770546436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:36,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:36,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:30:36,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606522348] [2024-11-22 22:30:36,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:36,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:30:36,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:36,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:30:36,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:36,808 INFO L87 Difference]: Start difference. First operand 615 states and 846 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:37,169 INFO L93 Difference]: Finished difference Result 886 states and 1244 transitions. [2024-11-22 22:30:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:37,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-22 22:30:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:37,173 INFO L225 Difference]: With dead ends: 886 [2024-11-22 22:30:37,174 INFO L226 Difference]: Without dead ends: 883 [2024-11-22 22:30:37,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:37,175 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:37,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 237 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:37,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-22 22:30:37,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 634. [2024-11-22 22:30:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 522 states have (on average 1.3639846743295019) internal successors, (712), 548 states have internal predecessors, (712), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-22 22:30:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 868 transitions. [2024-11-22 22:30:37,219 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 868 transitions. Word has length 71 [2024-11-22 22:30:37,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:37,220 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 868 transitions. [2024-11-22 22:30:37,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 868 transitions. [2024-11-22 22:30:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:30:37,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:37,221 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:37,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 22:30:37,221 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:37,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:37,221 INFO L85 PathProgramCache]: Analyzing trace with hash -537579487, now seen corresponding path program 1 times [2024-11-22 22:30:37,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:37,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111400265] [2024-11-22 22:30:37,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:37,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:37,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757418009] [2024-11-22 22:30:37,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:37,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:37,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:37,237 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:37,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:30:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:37,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:30:37,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:37,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:37,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:37,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111400265] [2024-11-22 22:30:37,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:37,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757418009] [2024-11-22 22:30:37,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757418009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:37,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:37,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:30:37,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004535148] [2024-11-22 22:30:37,537 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:37,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:37,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:37,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:37,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:37,538 INFO L87 Difference]: Start difference. First operand 634 states and 868 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:37,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:37,823 INFO L93 Difference]: Finished difference Result 1002 states and 1431 transitions. [2024-11-22 22:30:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:30:37,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-22 22:30:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:37,826 INFO L225 Difference]: With dead ends: 1002 [2024-11-22 22:30:37,827 INFO L226 Difference]: Without dead ends: 998 [2024-11-22 22:30:37,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:37,827 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 154 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:37,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 346 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:37,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-22 22:30:37,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 791. [2024-11-22 22:30:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 659 states have (on average 1.370257966616085) internal successors, (903), 684 states have internal predecessors, (903), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-22 22:30:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1099 transitions. [2024-11-22 22:30:37,868 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1099 transitions. Word has length 72 [2024-11-22 22:30:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:37,868 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1099 transitions. [2024-11-22 22:30:37,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1099 transitions. [2024-11-22 22:30:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:30:37,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:37,869 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:37,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:30:38,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-22 22:30:38,070 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:38,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:38,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1690685181, now seen corresponding path program 1 times [2024-11-22 22:30:38,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:38,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813686592] [2024-11-22 22:30:38,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:38,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:38,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965428511] [2024-11-22 22:30:38,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:38,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:38,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:38,086 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:38,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:30:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:38,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:30:38,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:38,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813686592] [2024-11-22 22:30:42,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965428511] [2024-11-22 22:30:42,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965428511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:42,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:42,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:30:42,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362679939] [2024-11-22 22:30:42,425 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:42,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:42,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:42,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2024-11-22 22:30:42,426 INFO L87 Difference]: Start difference. First operand 791 states and 1099 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:42,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:42,817 INFO L93 Difference]: Finished difference Result 822 states and 1122 transitions. [2024-11-22 22:30:42,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:30:42,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-22 22:30:42,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:42,820 INFO L225 Difference]: With dead ends: 822 [2024-11-22 22:30:42,820 INFO L226 Difference]: Without dead ends: 815 [2024-11-22 22:30:42,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=52, Invalid=157, Unknown=1, NotChecked=0, Total=210 [2024-11-22 22:30:42,821 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 264 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:42,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 274 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:42,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-22 22:30:42,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 789. [2024-11-22 22:30:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 657 states have (on average 1.3637747336377473) internal successors, (896), 682 states have internal predecessors, (896), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-22 22:30:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1092 transitions. [2024-11-22 22:30:42,858 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1092 transitions. Word has length 72 [2024-11-22 22:30:42,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:42,858 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1092 transitions. [2024-11-22 22:30:42,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1092 transitions. [2024-11-22 22:30:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 22:30:42,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:42,859 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:42,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:43,063 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,SelfDestructingSolverStorable25 [2024-11-22 22:30:43,064 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:43,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:43,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2143283546, now seen corresponding path program 1 times [2024-11-22 22:30:43,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:43,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220942435] [2024-11-22 22:30:43,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:43,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:43,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:43,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220942435] [2024-11-22 22:30:43,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220942435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:43,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854990204] [2024-11-22 22:30:43,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:43,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:43,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:43,119 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:43,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:30:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:43,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:43,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:43,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:43,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854990204] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:43,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:43,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 22:30:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554440631] [2024-11-22 22:30:43,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:43,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:30:43,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:30:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:30:43,309 INFO L87 Difference]: Start difference. First operand 789 states and 1092 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-22 22:30:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:43,866 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2024-11-22 22:30:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:43,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2024-11-22 22:30:43,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:43,872 INFO L225 Difference]: With dead ends: 1321 [2024-11-22 22:30:43,872 INFO L226 Difference]: Without dead ends: 1319 [2024-11-22 22:30:43,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:43,873 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 318 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:43,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 390 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:30:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2024-11-22 22:30:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1034. [2024-11-22 22:30:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 861 states have (on average 1.3704994192799071) internal successors, (1180), 885 states have internal predecessors, (1180), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:30:43,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1460 transitions. [2024-11-22 22:30:43,929 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1460 transitions. Word has length 92 [2024-11-22 22:30:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:43,930 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1460 transitions. [2024-11-22 22:30:43,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-22 22:30:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1460 transitions. [2024-11-22 22:30:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:30:43,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:43,930 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:43,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:30:44,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:44,131 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:44,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2017280381, now seen corresponding path program 1 times [2024-11-22 22:30:44,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:44,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050641405] [2024-11-22 22:30:44,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:44,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:44,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:44,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050641405] [2024-11-22 22:30:44,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050641405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:44,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070742773] [2024-11-22 22:30:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:44,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:44,192 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) [2024-11-22 22:30:44,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:30:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:44,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:44,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:44,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:44,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070742773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:44,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:44,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-22 22:30:44,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228955989] [2024-11-22 22:30:44,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:44,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:30:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:44,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:30:44,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:30:44,394 INFO L87 Difference]: Start difference. First operand 1034 states and 1460 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:30:45,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:45,010 INFO L93 Difference]: Finished difference Result 1351 states and 1892 transitions. [2024-11-22 22:30:45,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:30:45,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-22 22:30:45,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:45,015 INFO L225 Difference]: With dead ends: 1351 [2024-11-22 22:30:45,015 INFO L226 Difference]: Without dead ends: 1349 [2024-11-22 22:30:45,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:30:45,016 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 850 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:45,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 497 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:30:45,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-11-22 22:30:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1038. [2024-11-22 22:30:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 866 states have (on average 1.3325635103926097) internal successors, (1154), 889 states have internal predecessors, (1154), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:30:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1434 transitions. [2024-11-22 22:30:45,079 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1434 transitions. Word has length 93 [2024-11-22 22:30:45,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:45,079 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1434 transitions. [2024-11-22 22:30:45,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:30:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1434 transitions. [2024-11-22 22:30:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 22:30:45,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:45,080 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:45,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:45,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 22:30:45,285 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:45,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1576192165, now seen corresponding path program 1 times [2024-11-22 22:30:45,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:45,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951167394] [2024-11-22 22:30:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:45,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:45,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951167394] [2024-11-22 22:30:45,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951167394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:45,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:45,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:45,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109219322] [2024-11-22 22:30:45,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:45,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:45,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:45,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:45,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:45,322 INFO L87 Difference]: Start difference. First operand 1038 states and 1434 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-22 22:30:45,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:45,401 INFO L93 Difference]: Finished difference Result 1038 states and 1434 transitions. [2024-11-22 22:30:45,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:45,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 95 [2024-11-22 22:30:45,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:45,405 INFO L225 Difference]: With dead ends: 1038 [2024-11-22 22:30:45,405 INFO L226 Difference]: Without dead ends: 1037 [2024-11-22 22:30:45,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:45,406 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 20 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:45,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-22 22:30:45,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2024-11-22 22:30:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 866 states have (on average 1.3221709006928406) internal successors, (1145), 888 states have internal predecessors, (1145), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:30:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1425 transitions. [2024-11-22 22:30:45,477 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1425 transitions. Word has length 95 [2024-11-22 22:30:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:45,477 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1425 transitions. [2024-11-22 22:30:45,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-22 22:30:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1425 transitions. [2024-11-22 22:30:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 22:30:45,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:45,479 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:45,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 22:30:45,479 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:45,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:45,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1402789213, now seen corresponding path program 1 times [2024-11-22 22:30:45,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:45,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410067645] [2024-11-22 22:30:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:45,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:45,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410067645] [2024-11-22 22:30:45,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410067645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:45,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140907282] [2024-11-22 22:30:45,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:45,547 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:45,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:30:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:45,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:45,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:45,707 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:45,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140907282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:45,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:45,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-22 22:30:45,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731580573] [2024-11-22 22:30:45,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:45,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:30:45,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:30:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:30:45,708 INFO L87 Difference]: Start difference. First operand 1037 states and 1425 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-22 22:30:45,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:45,866 INFO L93 Difference]: Finished difference Result 1055 states and 1456 transitions. [2024-11-22 22:30:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:45,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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 97 [2024-11-22 22:30:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:45,870 INFO L225 Difference]: With dead ends: 1055 [2024-11-22 22:30:45,877 INFO L226 Difference]: Without dead ends: 1054 [2024-11-22 22:30:45,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:30:45,878 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:45,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 154 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:45,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-11-22 22:30:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1036. [2024-11-22 22:30:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 866 states have (on average 1.3140877598152425) internal successors, (1138), 887 states have internal predecessors, (1138), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:30:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1418 transitions. [2024-11-22 22:30:45,961 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1418 transitions. Word has length 97 [2024-11-22 22:30:45,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:45,962 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1418 transitions. [2024-11-22 22:30:45,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-22 22:30:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1418 transitions. [2024-11-22 22:30:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-22 22:30:45,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:45,964 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:45,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:46,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:46,169 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash 536792781, now seen corresponding path program 1 times [2024-11-22 22:30:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443141509] [2024-11-22 22:30:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:46,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443141509] [2024-11-22 22:30:46,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443141509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:46,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100520570] [2024-11-22 22:30:46,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:46,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:46,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:46,236 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:46,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:30:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:46,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:46,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:46,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:30:46,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100520570] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:46,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:46,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:30:46,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499533540] [2024-11-22 22:30:46,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:46,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:30:46,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:46,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:30:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:30:46,493 INFO L87 Difference]: Start difference. First operand 1036 states and 1418 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 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) [2024-11-22 22:30:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:46,902 INFO L93 Difference]: Finished difference Result 1431 states and 1978 transitions. [2024-11-22 22:30:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:30:46,903 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 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 98 [2024-11-22 22:30:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:46,907 INFO L225 Difference]: With dead ends: 1431 [2024-11-22 22:30:46,907 INFO L226 Difference]: Without dead ends: 1429 [2024-11-22 22:30:46,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:30:46,909 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 348 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:46,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 369 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:46,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-22 22:30:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1186. [2024-11-22 22:30:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 998 states have (on average 1.312625250501002) internal successors, (1310), 1019 states have internal predecessors, (1310), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-22 22:30:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1626 transitions. [2024-11-22 22:30:46,976 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1626 transitions. Word has length 98 [2024-11-22 22:30:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:46,976 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1626 transitions. [2024-11-22 22:30:46,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 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) [2024-11-22 22:30:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1626 transitions. [2024-11-22 22:30:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 22:30:46,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:46,977 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:46,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-22 22:30:47,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:47,184 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:47,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:47,184 INFO L85 PathProgramCache]: Analyzing trace with hash 783009764, now seen corresponding path program 1 times [2024-11-22 22:30:47,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:47,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024274861] [2024-11-22 22:30:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:47,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:47,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024274861] [2024-11-22 22:30:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024274861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637178567] [2024-11-22 22:30:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:47,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:47,254 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:47,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:30:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:47,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:30:47,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:47,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:47,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637178567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:47,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:47,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-22 22:30:47,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068211599] [2024-11-22 22:30:47,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:47,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:30:47,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:47,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:30:47,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:47,578 INFO L87 Difference]: Start difference. First operand 1186 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-22 22:30:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:47,953 INFO L93 Difference]: Finished difference Result 1231 states and 1674 transitions. [2024-11-22 22:30:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:30:47,953 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 108 [2024-11-22 22:30:47,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:47,957 INFO L225 Difference]: With dead ends: 1231 [2024-11-22 22:30:47,957 INFO L226 Difference]: Without dead ends: 1230 [2024-11-22 22:30:47,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:30:47,958 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 390 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:47,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 355 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:47,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-22 22:30:48,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1115. [2024-11-22 22:30:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 938 states have (on average 1.3091684434968016) internal successors, (1228), 958 states have internal predecessors, (1228), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-22 22:30:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1524 transitions. [2024-11-22 22:30:48,028 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1524 transitions. Word has length 108 [2024-11-22 22:30:48,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:48,028 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1524 transitions. [2024-11-22 22:30:48,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-22 22:30:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1524 transitions. [2024-11-22 22:30:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:30:48,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:48,029 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:48,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:30:48,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:48,230 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:48,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:48,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1719371668, now seen corresponding path program 1 times [2024-11-22 22:30:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:48,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634411658] [2024-11-22 22:30:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:48,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:48,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:48,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634411658] [2024-11-22 22:30:48,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634411658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:48,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383030950] [2024-11-22 22:30:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:48,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:48,318 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:48,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:30:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:48,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:30:48,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 22:30:48,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:48,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383030950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:48,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:48,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-22 22:30:48,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72455291] [2024-11-22 22:30:48,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:48,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 22:30:48,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:48,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 22:30:48,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:30:48,646 INFO L87 Difference]: Start difference. First operand 1115 states and 1524 transitions. Second operand has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-22 22:30:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:49,097 INFO L93 Difference]: Finished difference Result 1844 states and 2437 transitions. [2024-11-22 22:30:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-22 22:30:49,097 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2024-11-22 22:30:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:49,101 INFO L225 Difference]: With dead ends: 1844 [2024-11-22 22:30:49,102 INFO L226 Difference]: Without dead ends: 1582 [2024-11-22 22:30:49,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-22 22:30:49,103 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 371 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:49,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 732 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:49,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-22 22:30:49,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1385. [2024-11-22 22:30:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1169 states have (on average 1.2891360136869119) internal successors, (1507), 1189 states have internal predecessors, (1507), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-22 22:30:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1869 transitions. [2024-11-22 22:30:49,172 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1869 transitions. Word has length 110 [2024-11-22 22:30:49,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:49,172 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1869 transitions. [2024-11-22 22:30:49,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-22 22:30:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1869 transitions. [2024-11-22 22:30:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:30:49,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:49,173 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:49,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:49,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:49,377 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:49,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:49,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1395208224, now seen corresponding path program 1 times [2024-11-22 22:30:49,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:49,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834893334] [2024-11-22 22:30:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:49,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:49,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599439409] [2024-11-22 22:30:49,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:49,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:49,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:49,391 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:49,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:30:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:49,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:30:49,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:49,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:49,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:49,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834893334] [2024-11-22 22:30:49,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:49,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599439409] [2024-11-22 22:30:49,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599439409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:49,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:49,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:30:49,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939336851] [2024-11-22 22:30:49,923 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:49,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:30:49,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:49,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:30:49,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:49,923 INFO L87 Difference]: Start difference. First operand 1385 states and 1869 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:30:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:50,490 INFO L93 Difference]: Finished difference Result 2634 states and 3648 transitions. [2024-11-22 22:30:50,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:30:50,491 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2024-11-22 22:30:50,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:50,498 INFO L225 Difference]: With dead ends: 2634 [2024-11-22 22:30:50,498 INFO L226 Difference]: Without dead ends: 2631 [2024-11-22 22:30:50,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:30:50,499 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 273 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:50,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 343 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:30:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2024-11-22 22:30:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 1441. [2024-11-22 22:30:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1216 states have (on average 1.2886513157894737) internal successors, (1567), 1236 states have internal predecessors, (1567), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-22 22:30:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1947 transitions. [2024-11-22 22:30:50,602 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1947 transitions. Word has length 110 [2024-11-22 22:30:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:50,603 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1947 transitions. [2024-11-22 22:30:50,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:30:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1947 transitions. [2024-11-22 22:30:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 22:30:50,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:50,604 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:50,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:50,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-22 22:30:50,804 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:50,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash 301782046, now seen corresponding path program 1 times [2024-11-22 22:30:50,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:50,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305021081] [2024-11-22 22:30:50,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:50,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:50,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1203491820] [2024-11-22 22:30:50,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:50,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:50,816 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:50,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:30:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:50,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:30:50,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:51,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:51,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305021081] [2024-11-22 22:30:51,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:51,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203491820] [2024-11-22 22:30:51,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203491820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:51,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:51,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:30:51,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363470417] [2024-11-22 22:30:51,348 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:51,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:30:51,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:51,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:30:51,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:51,349 INFO L87 Difference]: Start difference. First operand 1441 states and 1947 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:30:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:51,769 INFO L93 Difference]: Finished difference Result 1587 states and 2134 transitions. [2024-11-22 22:30:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:30:51,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 111 [2024-11-22 22:30:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:51,774 INFO L225 Difference]: With dead ends: 1587 [2024-11-22 22:30:51,774 INFO L226 Difference]: Without dead ends: 1584 [2024-11-22 22:30:51,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:30:51,775 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 84 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:51,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 429 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:51,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-22 22:30:51,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1555. [2024-11-22 22:30:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1313 states have (on average 1.2871287128712872) internal successors, (1690), 1333 states have internal predecessors, (1690), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-22 22:30:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2104 transitions. [2024-11-22 22:30:51,859 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2104 transitions. Word has length 111 [2024-11-22 22:30:51,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:51,859 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2104 transitions. [2024-11-22 22:30:51,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:30:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2104 transitions. [2024-11-22 22:30:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 22:30:51,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:51,860 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:51,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:52,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:30:52,061 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:52,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash 765308898, now seen corresponding path program 1 times [2024-11-22 22:30:52,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:52,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934898880] [2024-11-22 22:30:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:52,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:52,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:52,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934898880] [2024-11-22 22:30:52,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934898880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:52,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:52,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513853226] [2024-11-22 22:30:52,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:52,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:52,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:52,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:52,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:52,124 INFO L87 Difference]: Start difference. First operand 1555 states and 2104 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-22 22:30:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:52,446 INFO L93 Difference]: Finished difference Result 1562 states and 2107 transitions. [2024-11-22 22:30:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:30:52,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 112 [2024-11-22 22:30:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:52,451 INFO L225 Difference]: With dead ends: 1562 [2024-11-22 22:30:52,451 INFO L226 Difference]: Without dead ends: 1560 [2024-11-22 22:30:52,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:30:52,452 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:52,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:52,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-22 22:30:52,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1521. [2024-11-22 22:30:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2785992217898832) internal successors, (1643), 1303 states have internal predecessors, (1643), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-22 22:30:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2049 transitions. [2024-11-22 22:30:52,550 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2049 transitions. Word has length 112 [2024-11-22 22:30:52,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:52,550 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2049 transitions. [2024-11-22 22:30:52,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-22 22:30:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2049 transitions. [2024-11-22 22:30:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:30:52,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:52,551 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:52,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-22 22:30:52,551 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:52,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:52,552 INFO L85 PathProgramCache]: Analyzing trace with hash 21474756, now seen corresponding path program 2 times [2024-11-22 22:30:52,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:52,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256194666] [2024-11-22 22:30:52,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:52,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:52,572 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:52,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:30:52,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300817815] [2024-11-22 22:30:52,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:52,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:52,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:52,574 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:52,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:30:52,617 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:52,617 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:52,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:30:52,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-22 22:30:52,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:52,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:52,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256194666] [2024-11-22 22:30:52,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:52,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300817815] [2024-11-22 22:30:52,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300817815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:52,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:52,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:30:52,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096880947] [2024-11-22 22:30:52,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:52,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:30:52,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:52,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:30:52,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:52,958 INFO L87 Difference]: Start difference. First operand 1521 states and 2049 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:30:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:53,358 INFO L93 Difference]: Finished difference Result 1829 states and 2505 transitions. [2024-11-22 22:30:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:30:53,359 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 113 [2024-11-22 22:30:53,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:53,365 INFO L225 Difference]: With dead ends: 1829 [2024-11-22 22:30:53,365 INFO L226 Difference]: Without dead ends: 1825 [2024-11-22 22:30:53,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:30:53,366 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 221 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:53,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 423 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2024-11-22 22:30:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1521. [2024-11-22 22:30:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2622568093385214) internal successors, (1622), 1303 states have internal predecessors, (1622), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-22 22:30:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2028 transitions. [2024-11-22 22:30:53,466 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2028 transitions. Word has length 113 [2024-11-22 22:30:53,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:53,466 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2028 transitions. [2024-11-22 22:30:53,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:30:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2028 transitions. [2024-11-22 22:30:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:30:53,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:53,468 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:53,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:53,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-22 22:30:53,670 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:53,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:53,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2045227872, now seen corresponding path program 1 times [2024-11-22 22:30:53,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:53,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663075954] [2024-11-22 22:30:53,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:53,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:53,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169829457] [2024-11-22 22:30:53,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:53,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:53,685 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:53,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:30:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:53,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:30:53,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:30:54,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:58,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:58,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663075954] [2024-11-22 22:30:58,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:58,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169829457] [2024-11-22 22:30:58,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169829457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:58,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:58,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:30:58,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919291182] [2024-11-22 22:30:58,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:58,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:30:58,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:58,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:30:58,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2024-11-22 22:30:58,262 INFO L87 Difference]: Start difference. First operand 1521 states and 2028 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 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) [2024-11-22 22:30:58,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:58,667 INFO L93 Difference]: Finished difference Result 1547 states and 2045 transitions. [2024-11-22 22:30:58,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:58,668 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), 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 113 [2024-11-22 22:30:58,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:58,672 INFO L225 Difference]: With dead ends: 1547 [2024-11-22 22:30:58,672 INFO L226 Difference]: Without dead ends: 1540 [2024-11-22 22:30:58,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-11-22 22:30:58,673 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 210 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:58,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 357 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:58,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-22 22:30:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1387. [2024-11-22 22:30:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2604611443210931) internal successors, (1476), 1190 states have internal predecessors, (1476), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-22 22:30:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1842 transitions. [2024-11-22 22:30:58,760 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1842 transitions. Word has length 113 [2024-11-22 22:30:58,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:58,761 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1842 transitions. [2024-11-22 22:30:58,761 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), 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) [2024-11-22 22:30:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1842 transitions. [2024-11-22 22:30:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 22:30:58,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:58,762 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:30:58,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-22 22:30:58,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:58,962 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:58,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:58,963 INFO L85 PathProgramCache]: Analyzing trace with hash -547394329, now seen corresponding path program 2 times [2024-11-22 22:30:58,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:58,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954972367] [2024-11-22 22:30:58,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:58,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:58,973 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:58,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:30:59,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:59,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954972367] [2024-11-22 22:30:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954972367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:59,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:59,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:59,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990323112] [2024-11-22 22:30:59,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:59,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:30:59,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:59,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:30:59,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:59,019 INFO L87 Difference]: Start difference. First operand 1387 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:30:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:59,399 INFO L93 Difference]: Finished difference Result 2418 states and 3261 transitions. [2024-11-22 22:30:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:30:59,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2024-11-22 22:30:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:59,407 INFO L225 Difference]: With dead ends: 2418 [2024-11-22 22:30:59,410 INFO L226 Difference]: Without dead ends: 1424 [2024-11-22 22:30:59,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:59,413 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:59,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-22 22:30:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1357. [2024-11-22 22:30:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1145 states have (on average 1.2724890829694324) internal successors, (1457), 1163 states have internal predecessors, (1457), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-22 22:30:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1819 transitions. [2024-11-22 22:30:59,511 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1819 transitions. Word has length 123 [2024-11-22 22:30:59,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:59,511 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1819 transitions. [2024-11-22 22:30:59,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:30:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1819 transitions. [2024-11-22 22:30:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 22:30:59,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:59,512 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:59,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-22 22:30:59,512 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:59,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:59,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1547842201, now seen corresponding path program 1 times [2024-11-22 22:30:59,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:59,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674324280] [2024-11-22 22:30:59,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:59,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:30:59,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:59,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674324280] [2024-11-22 22:30:59,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674324280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:59,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504751191] [2024-11-22 22:30:59,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:59,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:59,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:59,638 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:30:59,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:30:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:59,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:30:59,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:30:59,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:30:59,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504751191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:59,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:59,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-22 22:30:59,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303303489] [2024-11-22 22:30:59,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:59,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:30:59,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:59,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:30:59,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:30:59,974 INFO L87 Difference]: Start difference. First operand 1357 states and 1819 transitions. Second operand has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-22 22:31:00,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:00,399 INFO L93 Difference]: Finished difference Result 1987 states and 2609 transitions. [2024-11-22 22:31:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-22 22:31:00,399 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 125 [2024-11-22 22:31:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:00,403 INFO L225 Difference]: With dead ends: 1987 [2024-11-22 22:31:00,403 INFO L226 Difference]: Without dead ends: 1507 [2024-11-22 22:31:00,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2024-11-22 22:31:00,405 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:00,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 809 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:31:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-22 22:31:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1458. [2024-11-22 22:31:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1229 states have (on average 1.2530512611879576) internal successors, (1540), 1249 states have internal predecessors, (1540), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-22 22:31:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1920 transitions. [2024-11-22 22:31:00,502 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1920 transitions. Word has length 125 [2024-11-22 22:31:00,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:00,503 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1920 transitions. [2024-11-22 22:31:00,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-22 22:31:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1920 transitions. [2024-11-22 22:31:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 22:31:00,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:00,503 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:00,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-22 22:31:00,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:31:00,704 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:00,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1532189571, now seen corresponding path program 2 times [2024-11-22 22:31:00,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:00,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013953165] [2024-11-22 22:31:00,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:00,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:00,716 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:00,716 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:00,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261820856] [2024-11-22 22:31:00,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:00,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:00,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:00,719 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:00,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:31:00,768 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:00,768 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:00,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:00,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 22:31:01,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:31:01,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:01,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013953165] [2024-11-22 22:31:01,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:01,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261820856] [2024-11-22 22:31:01,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261820856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:01,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:01,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 22:31:01,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643580451] [2024-11-22 22:31:01,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:01,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:01,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:01,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:01,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:31:01,135 INFO L87 Difference]: Start difference. First operand 1458 states and 1920 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:01,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:01,585 INFO L93 Difference]: Finished difference Result 1991 states and 2670 transitions. [2024-11-22 22:31:01,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:31:01,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2024-11-22 22:31:01,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:01,589 INFO L225 Difference]: With dead ends: 1991 [2024-11-22 22:31:01,589 INFO L226 Difference]: Without dead ends: 1988 [2024-11-22 22:31:01,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:01,590 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 150 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:01,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 626 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2024-11-22 22:31:01,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1047. [2024-11-22 22:31:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 877 states have (on average 1.2075256556442417) internal successors, (1059), 894 states have internal predecessors, (1059), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-22 22:31:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1327 transitions. [2024-11-22 22:31:01,667 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1327 transitions. Word has length 151 [2024-11-22 22:31:01,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:01,668 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1327 transitions. [2024-11-22 22:31:01,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1327 transitions. [2024-11-22 22:31:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-22 22:31:01,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:01,668 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:01,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:01,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-22 22:31:01,869 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:01,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash 253236507, now seen corresponding path program 2 times [2024-11-22 22:31:01,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:01,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428036675] [2024-11-22 22:31:01,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:01,886 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:01,886 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:01,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675562286] [2024-11-22 22:31:01,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:01,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:01,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:01,889 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:01,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:31:01,947 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:01,947 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:01,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:01,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 22:31:02,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:02,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:02,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428036675] [2024-11-22 22:31:02,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:02,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675562286] [2024-11-22 22:31:02,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675562286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:02,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:02,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:31:02,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830400568] [2024-11-22 22:31:02,435 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:02,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:02,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:02,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:02,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:31:02,436 INFO L87 Difference]: Start difference. First operand 1047 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:02,665 INFO L93 Difference]: Finished difference Result 1174 states and 1492 transitions. [2024-11-22 22:31:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:31:02,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 152 [2024-11-22 22:31:02,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:02,669 INFO L225 Difference]: With dead ends: 1174 [2024-11-22 22:31:02,669 INFO L226 Difference]: Without dead ends: 1171 [2024-11-22 22:31:02,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:02,669 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 202 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:02,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 260 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:31:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-22 22:31:02,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1148. [2024-11-22 22:31:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 962 states have (on average 1.212058212058212) internal successors, (1166), 979 states have internal predecessors, (1166), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-22 22:31:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1466 transitions. [2024-11-22 22:31:02,759 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1466 transitions. Word has length 152 [2024-11-22 22:31:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:02,759 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1466 transitions. [2024-11-22 22:31:02,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1466 transitions. [2024-11-22 22:31:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-22 22:31:02,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:02,760 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:02,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:02,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-22 22:31:02,964 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:02,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:02,965 INFO L85 PathProgramCache]: Analyzing trace with hash 613852033, now seen corresponding path program 3 times [2024-11-22 22:31:02,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:02,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228874941] [2024-11-22 22:31:02,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:02,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:02,989 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-22 22:31:02,989 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:02,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32505058] [2024-11-22 22:31:02,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:02,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:02,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:02,992 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:02,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:31:03,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:31:03,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:03,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:31:03,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-22 22:31:03,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:03,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:03,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228874941] [2024-11-22 22:31:03,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:03,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32505058] [2024-11-22 22:31:03,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32505058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:03,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:03,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:31:03,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890839878] [2024-11-22 22:31:03,478 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:03,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:03,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:03,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:03,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:03,479 INFO L87 Difference]: Start difference. First operand 1148 states and 1466 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:31:03,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:03,977 INFO L93 Difference]: Finished difference Result 1368 states and 1756 transitions. [2024-11-22 22:31:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:31:03,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 154 [2024-11-22 22:31:03,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:03,980 INFO L225 Difference]: With dead ends: 1368 [2024-11-22 22:31:03,980 INFO L226 Difference]: Without dead ends: 1364 [2024-11-22 22:31:03,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:31:03,981 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 305 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:03,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 423 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:03,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-22 22:31:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1138. [2024-11-22 22:31:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 952 states have (on average 1.194327731092437) internal successors, (1137), 969 states have internal predecessors, (1137), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-22 22:31:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1437 transitions. [2024-11-22 22:31:04,074 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1437 transitions. Word has length 154 [2024-11-22 22:31:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:04,074 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1437 transitions. [2024-11-22 22:31:04,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:31:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1437 transitions. [2024-11-22 22:31:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-22 22:31:04,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:04,075 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:04,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:04,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:04,276 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:04,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:04,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1452850595, now seen corresponding path program 2 times [2024-11-22 22:31:04,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:04,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406570814] [2024-11-22 22:31:04,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:04,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:04,290 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:04,291 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:04,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881732990] [2024-11-22 22:31:04,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:04,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:04,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:04,294 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:04,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:31:04,342 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:04,342 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:04,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:31:04,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 22:31:04,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:05,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406570814] [2024-11-22 22:31:05,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881732990] [2024-11-22 22:31:05,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881732990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:05,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:05,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:31:05,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301718187] [2024-11-22 22:31:05,311 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:05,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:31:05,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:05,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:31:05,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:31:05,312 INFO L87 Difference]: Start difference. First operand 1138 states and 1437 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:31:05,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:05,709 INFO L93 Difference]: Finished difference Result 1162 states and 1452 transitions. [2024-11-22 22:31:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:31:05,709 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 154 [2024-11-22 22:31:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:05,711 INFO L225 Difference]: With dead ends: 1162 [2024-11-22 22:31:05,711 INFO L226 Difference]: Without dead ends: 1155 [2024-11-22 22:31:05,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:31:05,712 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 86 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:05,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 359 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:05,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-22 22:31:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1062. [2024-11-22 22:31:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 888 states have (on average 1.177927927927928) internal successors, (1046), 905 states have internal predecessors, (1046), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-22 22:31:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1322 transitions. [2024-11-22 22:31:05,801 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1322 transitions. Word has length 154 [2024-11-22 22:31:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:05,801 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1322 transitions. [2024-11-22 22:31:05,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:31:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1322 transitions. [2024-11-22 22:31:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 22:31:05,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:05,802 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:05,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-22 22:31:06,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:06,003 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:06,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2062017948, now seen corresponding path program 3 times [2024-11-22 22:31:06,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:06,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851235671] [2024-11-22 22:31:06,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:06,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:06,038 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:31:06,039 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:06,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774130053] [2024-11-22 22:31:06,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:06,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:06,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:06,041 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:06,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:31:06,090 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 22:31:06,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:06,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-22 22:31:06,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 100 proven. 76 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-22 22:31:07,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:07,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:07,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851235671] [2024-11-22 22:31:07,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:07,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774130053] [2024-11-22 22:31:07,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774130053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:07,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:07,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-22 22:31:07,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002619149] [2024-11-22 22:31:07,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:07,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:31:07,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:07,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:31:07,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:31:07,668 INFO L87 Difference]: Start difference. First operand 1062 states and 1322 transitions. Second operand has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:09,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:09,443 INFO L93 Difference]: Finished difference Result 1705 states and 2184 transitions. [2024-11-22 22:31:09,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:31:09,444 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2024-11-22 22:31:09,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:09,447 INFO L225 Difference]: With dead ends: 1705 [2024-11-22 22:31:09,447 INFO L226 Difference]: Without dead ends: 1694 [2024-11-22 22:31:09,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=254, Invalid=935, Unknown=1, NotChecked=0, Total=1190 [2024-11-22 22:31:09,448 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 368 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:09,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 592 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:31:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-22 22:31:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1519. [2024-11-22 22:31:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1279 states have (on average 1.1892103205629398) internal successors, (1521), 1296 states have internal predecessors, (1521), 204 states have call successors, (204), 20 states have call predecessors, (204), 20 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2024-11-22 22:31:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1929 transitions. [2024-11-22 22:31:09,582 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1929 transitions. Word has length 164 [2024-11-22 22:31:09,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:09,583 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1929 transitions. [2024-11-22 22:31:09,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:09,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1929 transitions. [2024-11-22 22:31:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 22:31:09,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:09,584 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:09,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:09,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:09,785 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:09,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:09,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1619322522, now seen corresponding path program 3 times [2024-11-22 22:31:09,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:09,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548136562] [2024-11-22 22:31:09,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:09,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:09,809 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:31:09,810 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:09,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [96687571] [2024-11-22 22:31:09,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:09,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:09,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:09,815 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:09,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:31:09,888 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 22:31:09,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:09,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:31:09,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-22 22:31:10,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548136562] [2024-11-22 22:31:10,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96687571] [2024-11-22 22:31:10,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96687571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:10,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:10,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:31:10,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550646925] [2024-11-22 22:31:10,331 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:10,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:31:10,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:10,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:31:10,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:31:10,332 INFO L87 Difference]: Start difference. First operand 1519 states and 1929 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:10,987 INFO L93 Difference]: Finished difference Result 1552 states and 1970 transitions. [2024-11-22 22:31:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:10,988 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 166 [2024-11-22 22:31:10,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:10,991 INFO L225 Difference]: With dead ends: 1552 [2024-11-22 22:31:10,991 INFO L226 Difference]: Without dead ends: 1502 [2024-11-22 22:31:10,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:31:10,992 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 241 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:10,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 185 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:10,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-22 22:31:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1476. [2024-11-22 22:31:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1244 states have (on average 1.1631832797427653) internal successors, (1447), 1257 states have internal predecessors, (1447), 198 states have call successors, (198), 20 states have call predecessors, (198), 20 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-22 22:31:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1843 transitions. [2024-11-22 22:31:11,130 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1843 transitions. Word has length 166 [2024-11-22 22:31:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:11,130 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 1843 transitions. [2024-11-22 22:31:11,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1843 transitions. [2024-11-22 22:31:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 22:31:11,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:11,132 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:11,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:11,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-22 22:31:11,332 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:11,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:11,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1939624599, now seen corresponding path program 2 times [2024-11-22 22:31:11,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:11,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902867402] [2024-11-22 22:31:11,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:11,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:11,344 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:11,344 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-22 22:31:11,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:11,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902867402] [2024-11-22 22:31:11,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902867402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:11,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952646059] [2024-11-22 22:31:11,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:11,431 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:11,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:31:11,502 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:11,503 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:11,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:31:11,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-22 22:31:11,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-22 22:31:11,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952646059] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:11,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:11,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-22 22:31:11,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255854717] [2024-11-22 22:31:11,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:11,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:31:11,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:11,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:31:11,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:11,851 INFO L87 Difference]: Start difference. First operand 1476 states and 1843 transitions. Second operand has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-22 22:31:12,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:12,519 INFO L93 Difference]: Finished difference Result 2769 states and 3569 transitions. [2024-11-22 22:31:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:12,520 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 215 [2024-11-22 22:31:12,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:12,524 INFO L225 Difference]: With dead ends: 2769 [2024-11-22 22:31:12,524 INFO L226 Difference]: Without dead ends: 2768 [2024-11-22 22:31:12,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:31:12,525 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 684 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:12,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 621 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2024-11-22 22:31:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2067. [2024-11-22 22:31:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1733 states have (on average 1.2065781881130986) internal successors, (2091), 1746 states have internal predecessors, (2091), 300 states have call successors, (300), 20 states have call predecessors, (300), 20 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-22 22:31:12,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2691 transitions. [2024-11-22 22:31:12,738 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2691 transitions. Word has length 215 [2024-11-22 22:31:12,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:12,738 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2691 transitions. [2024-11-22 22:31:12,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-22 22:31:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2691 transitions. [2024-11-22 22:31:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-22 22:31:12,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:12,740 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:12,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:12,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-22 22:31:12,940 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:12,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash 439955303, now seen corresponding path program 1 times [2024-11-22 22:31:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:12,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946469857] [2024-11-22 22:31:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946469857] [2024-11-22 22:31:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946469857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:13,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5727034] [2024-11-22 22:31:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:13,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:13,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:13,078 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:13,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:31:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:13,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:31:13,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:13,391 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:13,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5727034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:13,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:13,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-22 22:31:13,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334404759] [2024-11-22 22:31:13,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:13,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:31:13,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:13,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:31:13,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:31:13,593 INFO L87 Difference]: Start difference. First operand 2067 states and 2691 transitions. Second operand has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-22 22:31:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:14,766 INFO L93 Difference]: Finished difference Result 4728 states and 6291 transitions. [2024-11-22 22:31:14,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 22:31:14,767 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 233 [2024-11-22 22:31:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:14,776 INFO L225 Difference]: With dead ends: 4728 [2024-11-22 22:31:14,776 INFO L226 Difference]: Without dead ends: 4727 [2024-11-22 22:31:14,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-22 22:31:14,778 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 1523 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:14,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 715 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:31:14,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2024-11-22 22:31:15,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 2715. [2024-11-22 22:31:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2289 states have (on average 1.1965923984272608) internal successors, (2739), 2302 states have internal predecessors, (2739), 392 states have call successors, (392), 20 states have call predecessors, (392), 20 states have return successors, (392), 392 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-22 22:31:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3523 transitions. [2024-11-22 22:31:15,110 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3523 transitions. Word has length 233 [2024-11-22 22:31:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:15,110 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3523 transitions. [2024-11-22 22:31:15,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-22 22:31:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3523 transitions. [2024-11-22 22:31:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-22 22:31:15,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:15,112 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:15,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-22 22:31:15,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:15,313 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:15,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:15,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1498423858, now seen corresponding path program 1 times [2024-11-22 22:31:15,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:15,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88557987] [2024-11-22 22:31:15,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:15,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:15,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:15,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88557987] [2024-11-22 22:31:15,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88557987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:15,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754034694] [2024-11-22 22:31:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:15,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:15,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:15,559 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:15,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:31:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:15,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:31:15,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 22:31:15,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:16,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754034694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:16,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:16,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2024-11-22 22:31:16,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439675032] [2024-11-22 22:31:16,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:16,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-22 22:31:16,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:16,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-22 22:31:16,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:31:16,169 INFO L87 Difference]: Start difference. First operand 2715 states and 3523 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-22 22:31:17,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:17,087 INFO L93 Difference]: Finished difference Result 3862 states and 4952 transitions. [2024-11-22 22:31:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-22 22:31:17,087 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 239 [2024-11-22 22:31:17,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:17,093 INFO L225 Difference]: With dead ends: 3862 [2024-11-22 22:31:17,093 INFO L226 Difference]: Without dead ends: 2985 [2024-11-22 22:31:17,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1141, Invalid=3829, Unknown=0, NotChecked=0, Total=4970 [2024-11-22 22:31:17,096 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 372 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:17,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 855 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:17,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2024-11-22 22:31:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2880. [2024-11-22 22:31:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2418 states have (on average 1.1757650951199339) internal successors, (2843), 2439 states have internal predecessors, (2843), 408 states have call successors, (408), 40 states have call predecessors, (408), 40 states have return successors, (408), 400 states have call predecessors, (408), 408 states have call successors, (408) [2024-11-22 22:31:17,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3659 transitions. [2024-11-22 22:31:17,407 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3659 transitions. Word has length 239 [2024-11-22 22:31:17,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:17,407 INFO L471 AbstractCegarLoop]: Abstraction has 2880 states and 3659 transitions. [2024-11-22 22:31:17,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-22 22:31:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3659 transitions. [2024-11-22 22:31:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-22 22:31:17,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:17,409 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:17,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-22 22:31:17,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-22 22:31:17,610 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:17,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:17,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1388953002, now seen corresponding path program 1 times [2024-11-22 22:31:17,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:17,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463767548] [2024-11-22 22:31:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-22 22:31:17,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:17,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463767548] [2024-11-22 22:31:17,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463767548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:17,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019938749] [2024-11-22 22:31:17,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:17,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:17,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:17,706 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:17,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:31:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:17,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:31:17,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 658 proven. 48 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-22 22:31:17,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-22 22:31:17,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019938749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:17,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:17,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-22 22:31:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030846119] [2024-11-22 22:31:17,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:18,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:31:18,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:18,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:31:18,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:31:18,000 INFO L87 Difference]: Start difference. First operand 2880 states and 3659 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-22 22:31:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:18,762 INFO L93 Difference]: Finished difference Result 4674 states and 6031 transitions. [2024-11-22 22:31:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:31:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 248 [2024-11-22 22:31:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:18,768 INFO L225 Difference]: With dead ends: 4674 [2024-11-22 22:31:18,768 INFO L226 Difference]: Without dead ends: 3138 [2024-11-22 22:31:18,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 492 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:31:18,771 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 129 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:18,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 399 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:18,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2024-11-22 22:31:19,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 2971. [2024-11-22 22:31:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2501 states have (on average 1.1811275489804078) internal successors, (2954), 2521 states have internal predecessors, (2954), 420 states have call successors, (420), 36 states have call predecessors, (420), 36 states have return successors, (420), 413 states have call predecessors, (420), 420 states have call successors, (420) [2024-11-22 22:31:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3794 transitions. [2024-11-22 22:31:19,110 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3794 transitions. Word has length 248 [2024-11-22 22:31:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:19,111 INFO L471 AbstractCegarLoop]: Abstraction has 2971 states and 3794 transitions. [2024-11-22 22:31:19,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-22 22:31:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3794 transitions. [2024-11-22 22:31:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-22 22:31:19,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:19,112 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-22 22:31:19,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:19,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-22 22:31:19,317 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:19,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1271798093, now seen corresponding path program 2 times [2024-11-22 22:31:19,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:19,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665316241] [2024-11-22 22:31:19,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:19,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:19,342 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:19,343 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 85 proven. 294 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-22 22:31:19,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665316241] [2024-11-22 22:31:19,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665316241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459768805] [2024-11-22 22:31:19,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:19,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:19,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:19,489 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:19,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:31:19,560 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:19,560 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:19,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:31:19,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 617 proven. 187 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-22 22:31:19,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 177 proven. 187 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2024-11-22 22:31:19,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459768805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:19,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:19,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-22 22:31:19,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994451452] [2024-11-22 22:31:19,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:19,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:31:19,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:19,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:31:19,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:19,882 INFO L87 Difference]: Start difference. First operand 2971 states and 3794 transitions. Second operand has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-22 22:31:21,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:21,639 INFO L93 Difference]: Finished difference Result 5267 states and 6821 transitions. [2024-11-22 22:31:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 22:31:21,640 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 289 [2024-11-22 22:31:21,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:21,646 INFO L225 Difference]: With dead ends: 5267 [2024-11-22 22:31:21,647 INFO L226 Difference]: Without dead ends: 3701 [2024-11-22 22:31:21,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 573 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:31:21,649 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 462 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:21,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1255 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 22:31:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2024-11-22 22:31:22,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3279. [2024-11-22 22:31:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 2755 states have (on average 1.1793103448275861) internal successors, (3249), 2775 states have internal predecessors, (3249), 474 states have call successors, (474), 36 states have call predecessors, (474), 36 states have return successors, (474), 467 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-22 22:31:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4197 transitions. [2024-11-22 22:31:22,115 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4197 transitions. Word has length 289 [2024-11-22 22:31:22,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:22,116 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 4197 transitions. [2024-11-22 22:31:22,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-22 22:31:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4197 transitions. [2024-11-22 22:31:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-22 22:31:22,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:22,118 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-22 22:31:22,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-22 22:31:22,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:22,319 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:22,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:22,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2139078960, now seen corresponding path program 4 times [2024-11-22 22:31:22,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:22,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10613282] [2024-11-22 22:31:22,320 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:31:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:22,361 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:31:22,361 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:22,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747188946] [2024-11-22 22:31:22,362 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:31:22,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:22,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:22,365 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:22,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:31:22,448 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:31:22,448 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:22,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:31:22,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-22 22:31:22,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:23,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:23,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10613282] [2024-11-22 22:31:23,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:23,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747188946] [2024-11-22 22:31:23,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747188946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:23,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:23,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-22 22:31:23,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474076827] [2024-11-22 22:31:23,117 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:23,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:31:23,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:23,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:31:23,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:31:23,130 INFO L87 Difference]: Start difference. First operand 3279 states and 4197 transitions. Second operand has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-22 22:31:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:23,808 INFO L93 Difference]: Finished difference Result 3324 states and 4244 transitions. [2024-11-22 22:31:23,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:23,808 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 299 [2024-11-22 22:31:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:23,813 INFO L225 Difference]: With dead ends: 3324 [2024-11-22 22:31:23,813 INFO L226 Difference]: Without dead ends: 3196 [2024-11-22 22:31:23,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:31:23,814 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 101 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:23,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 500 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2024-11-22 22:31:24,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 3189. [2024-11-22 22:31:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 2680 states have (on average 1.183955223880597) internal successors, (3173), 2699 states have internal predecessors, (3173), 463 states have call successors, (463), 32 states have call predecessors, (463), 32 states have return successors, (463), 457 states have call predecessors, (463), 463 states have call successors, (463) [2024-11-22 22:31:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4099 transitions. [2024-11-22 22:31:24,175 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4099 transitions. Word has length 299 [2024-11-22 22:31:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:24,175 INFO L471 AbstractCegarLoop]: Abstraction has 3189 states and 4099 transitions. [2024-11-22 22:31:24,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-22 22:31:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4099 transitions. [2024-11-22 22:31:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-22 22:31:24,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:24,177 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-22 22:31:24,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-22 22:31:24,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:24,382 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:24,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:24,382 INFO L85 PathProgramCache]: Analyzing trace with hash 345241416, now seen corresponding path program 2 times [2024-11-22 22:31:24,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:24,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783880612] [2024-11-22 22:31:24,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:24,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:24,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:24,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783880612] [2024-11-22 22:31:24,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783880612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319060555] [2024-11-22 22:31:24,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:24,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:24,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:24,657 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:24,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:31:24,728 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:24,728 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:24,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:24,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:25,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:25,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319060555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:25,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:25,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 35 [2024-11-22 22:31:25,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744151203] [2024-11-22 22:31:25,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:25,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-22 22:31:25,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:25,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-22 22:31:25,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2024-11-22 22:31:25,777 INFO L87 Difference]: Start difference. First operand 3189 states and 4099 transitions. Second operand has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2024-11-22 22:31:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:43,298 INFO L93 Difference]: Finished difference Result 10804 states and 14302 transitions. [2024-11-22 22:31:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2024-11-22 22:31:43,299 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) Word has length 330 [2024-11-22 22:31:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:43,313 INFO L225 Difference]: With dead ends: 10804 [2024-11-22 22:31:43,313 INFO L226 Difference]: Without dead ends: 10802 [2024-11-22 22:31:43,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 717 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47155 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=17909, Invalid=88041, Unknown=0, NotChecked=0, Total=105950 [2024-11-22 22:31:43,322 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 9328 mSDsluCounter, 6047 mSDsCounter, 0 mSdLazyCounter, 11484 mSolverCounterSat, 1623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9334 SdHoareTripleChecker+Valid, 6336 SdHoareTripleChecker+Invalid, 13107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1623 IncrementalHoareTripleChecker+Valid, 11484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:43,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9334 Valid, 6336 Invalid, 13107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1623 Valid, 11484 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-22 22:31:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10802 states. [2024-11-22 22:31:44,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10802 to 5955. [2024-11-22 22:31:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5955 states, 5051 states have (on average 1.2187685606810532) internal successors, (6156), 5069 states have internal predecessors, (6156), 858 states have call successors, (858), 32 states have call predecessors, (858), 32 states have return successors, (858), 853 states have call predecessors, (858), 858 states have call successors, (858) [2024-11-22 22:31:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 7872 transitions. [2024-11-22 22:31:44,267 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 7872 transitions. Word has length 330 [2024-11-22 22:31:44,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:44,268 INFO L471 AbstractCegarLoop]: Abstraction has 5955 states and 7872 transitions. [2024-11-22 22:31:44,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2024-11-22 22:31:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 7872 transitions. [2024-11-22 22:31:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-22 22:31:44,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:44,270 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-22 22:31:44,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:44,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:44,471 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:44,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash -157486838, now seen corresponding path program 3 times [2024-11-22 22:31:44,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:44,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322818273] [2024-11-22 22:31:44,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:44,519 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-22 22:31:44,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:44,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:44,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322818273] [2024-11-22 22:31:44,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322818273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:44,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175146492] [2024-11-22 22:31:44,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:44,840 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:44,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:31:44,892 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:31:44,892 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:44,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:31:44,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 370 proven. 62 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2024-11-22 22:31:45,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:45,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175146492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:45,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:31:45,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-22 22:31:45,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940260387] [2024-11-22 22:31:45,851 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:45,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:31:45,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:45,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:31:45,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:31:45,852 INFO L87 Difference]: Start difference. First operand 5955 states and 7872 transitions. Second operand has 21 states, 21 states have (on average 12.666666666666666) internal successors, (266), 21 states have internal predecessors, (266), 13 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-22 22:31:52,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:52,233 INFO L93 Difference]: Finished difference Result 12786 states and 17083 transitions. [2024-11-22 22:31:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-11-22 22:31:52,234 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.666666666666666) internal successors, (266), 21 states have internal predecessors, (266), 13 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 330 [2024-11-22 22:31:52,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:52,248 INFO L225 Difference]: With dead ends: 12786 [2024-11-22 22:31:52,249 INFO L226 Difference]: Without dead ends: 9352 [2024-11-22 22:31:52,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4852 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2656, Invalid=10916, Unknown=0, NotChecked=0, Total=13572 [2024-11-22 22:31:52,256 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 2362 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:52,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 1606 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-22 22:31:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9352 states. [2024-11-22 22:31:53,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9352 to 6986. [2024-11-22 22:31:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6986 states, 5926 states have (on average 1.194566317921026) internal successors, (7079), 5943 states have internal predecessors, (7079), 1016 states have call successors, (1016), 30 states have call predecessors, (1016), 30 states have return successors, (1016), 1012 states have call predecessors, (1016), 1016 states have call successors, (1016) [2024-11-22 22:31:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6986 states to 6986 states and 9111 transitions. [2024-11-22 22:31:53,426 INFO L78 Accepts]: Start accepts. Automaton has 6986 states and 9111 transitions. Word has length 330 [2024-11-22 22:31:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:53,427 INFO L471 AbstractCegarLoop]: Abstraction has 6986 states and 9111 transitions. [2024-11-22 22:31:53,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.666666666666666) internal successors, (266), 21 states have internal predecessors, (266), 13 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-22 22:31:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 6986 states and 9111 transitions. [2024-11-22 22:31:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-22 22:31:53,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:53,429 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:53,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:53,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-22 22:31:53,630 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:53,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:53,631 INFO L85 PathProgramCache]: Analyzing trace with hash -823707548, now seen corresponding path program 1 times [2024-11-22 22:31:53,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:53,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795735427] [2024-11-22 22:31:53,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:53,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:54,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:54,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795735427] [2024-11-22 22:31:54,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795735427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:54,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068621174] [2024-11-22 22:31:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:54,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:54,009 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:54,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:31:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:54,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:31:54,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 2208 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-22 22:31:54,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:54,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068621174] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:54,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:54,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 42 [2024-11-22 22:31:54,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879229025] [2024-11-22 22:31:54,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:54,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-22 22:31:54,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:54,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-22 22:31:54,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=1325, Unknown=0, NotChecked=0, Total=1722 [2024-11-22 22:31:54,745 INFO L87 Difference]: Start difference. First operand 6986 states and 9111 transitions. Second operand has 42 states, 42 states have (on average 9.119047619047619) internal successors, (383), 42 states have internal predecessors, (383), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93)