./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-numeric/Parts.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:09:12,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:09:12,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-22 22:09:12,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:09:12,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:09:12,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:09:12,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:09:12,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:09:12,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:09:12,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:09:12,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:09:12,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:09:12,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:09:12,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:09:12,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:09:12,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:09:12,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:09:12,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:09:12,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:09:12,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:09:12,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:09:12,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:09:12,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:09:12,640 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:09:12,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:09:12,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:09:12,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:09:12,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:09:12,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:09:12,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:09:12,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:09:12,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:09:12,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:09:12,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:09:12,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:09:12,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:09:12,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:09:12,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:09:12,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:09:12,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:09:12,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:09:12,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2024-11-22 22:09:12,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:09:12,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:09:12,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:09:12,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:09:12,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:09:12,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2024-11-22 22:09:14,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:09:14,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:09:14,270 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2024-11-22 22:09:14,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800c8281f/b02c3d9d47e3480ebfb8a3cf84c3ea7a/FLAG35f3b5a00 [2024-11-22 22:09:14,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800c8281f/b02c3d9d47e3480ebfb8a3cf84c3ea7a [2024-11-22 22:09:14,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:09:14,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:09:14,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:09:14,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:09:14,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:09:14,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bff79eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14, skipping insertion in model container [2024-11-22 22:09:14,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:09:14,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:09:14,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:09:14,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:09:14,502 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:09:14,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14 WrapperNode [2024-11-22 22:09:14,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:09:14,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:09:14,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:09:14,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:09:14,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,524 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-22 22:09:14,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:09:14,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:09:14,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:09:14,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:09:14,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,535 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,544 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-22 22:09:14,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:09:14,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:09:14,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:09:14,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:09:14,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (1/1) ... [2024-11-22 22:09:14,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:09:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:14,586 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 22:09:14,591 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 22:09:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2024-11-22 22:09:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2024-11-22 22:09:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:09:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:09:14,685 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:09:14,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:09:14,834 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-22 22:09:14,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:09:14,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:09:14,849 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 22:09:14,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:14 BoogieIcfgContainer [2024-11-22 22:09:14,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:09:14,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:09:14,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:09:14,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:09:14,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:09:14" (1/3) ... [2024-11-22 22:09:14,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9c486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:09:14, skipping insertion in model container [2024-11-22 22:09:14,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:14" (2/3) ... [2024-11-22 22:09:14,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9c486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:09:14, skipping insertion in model container [2024-11-22 22:09:14,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:14" (3/3) ... [2024-11-22 22:09:14,858 INFO L112 eAbstractionObserver]: Analyzing ICFG Parts.c [2024-11-22 22:09:14,872 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:09:14,872 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-22 22:09:14,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:09:14,922 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;@2c3a39ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:09:14,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-22 22:09:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:09:14,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:14,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:14,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:14,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:14,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1511704369, now seen corresponding path program 1 times [2024-11-22 22:09:14,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:14,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752920844] [2024-11-22 22:09:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:14,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,043 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 22:09:15,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752920844] [2024-11-22 22:09:15,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752920844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:09:15,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454977163] [2024-11-22 22:09:15,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:09:15,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:09:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:09:15,072 INFO L87 Difference]: Start difference. First operand has 47 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 22:09:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,090 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2024-11-22 22:09:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:09:15,092 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 22:09:15,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,099 INFO L225 Difference]: With dead ends: 90 [2024-11-22 22:09:15,099 INFO L226 Difference]: Without dead ends: 43 [2024-11-22 22:09:15,103 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 22:09:15,107 INFO L432 NwaCegarLoop]: 56 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, 56 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 22:09:15,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-22 22:09:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-22 22:09:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2024-11-22 22:09:15,138 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 9 [2024-11-22 22:09:15,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,138 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-22 22:09:15,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 22:09:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-22 22:09:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:09:15,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:09:15,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1512061861, now seen corresponding path program 1 times [2024-11-22 22:09:15,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618782375] [2024-11-22 22:09:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,193 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 22:09:15,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618782375] [2024-11-22 22:09:15,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618782375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:09:15,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023755502] [2024-11-22 22:09:15,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:09:15,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:09:15,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,197 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 22:09:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,237 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2024-11-22 22:09:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:09:15,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 22:09:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,239 INFO L225 Difference]: With dead ends: 83 [2024-11-22 22:09:15,239 INFO L226 Difference]: Without dead ends: 44 [2024-11-22 22:09:15,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 22:09:15,240 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-22 22:09:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-22 22:09:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 38 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2024-11-22 22:09:15,247 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 9 [2024-11-22 22:09:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,247 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2024-11-22 22:09:15,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 22:09:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2024-11-22 22:09:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:09:15,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:09:15,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2059242201, now seen corresponding path program 1 times [2024-11-22 22:09:15,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52026662] [2024-11-22 22:09:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,292 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 22:09:15,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52026662] [2024-11-22 22:09:15,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52026662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:09:15,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805406658] [2024-11-22 22:09:15,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:09:15,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:09:15,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:09:15,295 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:09:15,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,319 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-22 22:09:15,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:09:15,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 22:09:15,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,327 INFO L225 Difference]: With dead ends: 46 [2024-11-22 22:09:15,327 INFO L226 Difference]: Without dead ends: 45 [2024-11-22 22:09:15,327 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 22:09:15,328 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 11 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 76 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-22 22:09:15,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2024-11-22 22:09:15,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2024-11-22 22:09:15,339 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 12 [2024-11-22 22:09:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,340 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-22 22:09:15,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:09:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-22 22:09:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-22 22:09:15,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:09:15,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,342 INFO L85 PathProgramCache]: Analyzing trace with hash -588001161, now seen corresponding path program 1 times [2024-11-22 22:09:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662399929] [2024-11-22 22:09:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,394 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 22:09:15,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662399929] [2024-11-22 22:09:15,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662399929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:09:15,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154207382] [2024-11-22 22:09:15,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:09:15,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:09:15,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:09:15,402 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:09:15,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,458 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2024-11-22 22:09:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:09:15,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-22 22:09:15,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,459 INFO L225 Difference]: With dead ends: 92 [2024-11-22 22:09:15,459 INFO L226 Difference]: Without dead ends: 53 [2024-11-22 22:09:15,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:15,461 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 9 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 159 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-22 22:09:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-11-22 22:09:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 42 states have internal predecessors, (47), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:09:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2024-11-22 22:09:15,471 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 13 [2024-11-22 22:09:15,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,475 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2024-11-22 22:09:15,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:09:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2024-11-22 22:09:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 22:09:15,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:09:15,476 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1053155758, now seen corresponding path program 1 times [2024-11-22 22:09:15,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678122673] [2024-11-22 22:09:15,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,541 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 22:09:15,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678122673] [2024-11-22 22:09:15,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678122673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:09:15,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342833984] [2024-11-22 22:09:15,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:09:15,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:09:15,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,544 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22:09:15,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,576 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2024-11-22 22:09:15,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:09:15,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14 [2024-11-22 22:09:15,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,578 INFO L225 Difference]: With dead ends: 49 [2024-11-22 22:09:15,578 INFO L226 Difference]: Without dead ends: 48 [2024-11-22 22:09:15,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,579 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 120 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 22:09:15,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 120 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-22 22:09:15,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-22 22:09:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.393939393939394) internal successors, (46), 41 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:09:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2024-11-22 22:09:15,592 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 14 [2024-11-22 22:09:15,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,592 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2024-11-22 22:09:15,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22:09:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2024-11-22 22:09:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:09:15,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:09:15,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1711909968, now seen corresponding path program 1 times [2024-11-22 22:09:15,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310608769] [2024-11-22 22:09:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,641 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 22:09:15,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310608769] [2024-11-22 22:09:15,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310608769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:09:15,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378008534] [2024-11-22 22:09:15,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:09:15,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:09:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,646 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 22:09:15,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,689 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2024-11-22 22:09:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:09:15,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 15 [2024-11-22 22:09:15,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,691 INFO L225 Difference]: With dead ends: 53 [2024-11-22 22:09:15,691 INFO L226 Difference]: Without dead ends: 52 [2024-11-22 22:09:15,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,692 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-22 22:09:15,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-22 22:09:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 44 states have internal predecessors, (50), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:09:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-22 22:09:15,701 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 15 [2024-11-22 22:09:15,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,701 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-22 22:09:15,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 22:09:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-22 22:09:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:09:15,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,702 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 22:09:15,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:09:15,702 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1243311904, now seen corresponding path program 1 times [2024-11-22 22:09:15,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976119121] [2024-11-22 22:09:15,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:09:15,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976119121] [2024-11-22 22:09:15,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976119121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:09:15,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217008374] [2024-11-22 22:09:15,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:09:15,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:09:15,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,791 INFO L87 Difference]: Start difference. First operand 52 states and 60 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 22:09:15,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,805 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2024-11-22 22:09:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:09:15,806 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 22:09:15,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,806 INFO L225 Difference]: With dead ends: 52 [2024-11-22 22:09:15,806 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 22:09:15,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,807 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 22:09:15,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-22 22:09:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 43 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:09:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-11-22 22:09:15,812 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 19 [2024-11-22 22:09:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,813 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-11-22 22:09:15,813 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 22:09:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-11-22 22:09:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 22:09:15,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,813 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:09:15,814 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,814 INFO L85 PathProgramCache]: Analyzing trace with hash 112036748, now seen corresponding path program 1 times [2024-11-22 22:09:15,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296695465] [2024-11-22 22:09:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:09:15,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296695465] [2024-11-22 22:09:15,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296695465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:09:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151257472] [2024-11-22 22:09:15,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:09:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:09:15,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,867 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 22:09:15,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,894 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2024-11-22 22:09:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:09:15,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 20 [2024-11-22 22:09:15,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,898 INFO L225 Difference]: With dead ends: 70 [2024-11-22 22:09:15,898 INFO L226 Difference]: Without dead ends: 69 [2024-11-22 22:09:15,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:09:15,899 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 125 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-22 22:09:15,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-22 22:09:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 58 states have internal predecessors, (66), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:09:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2024-11-22 22:09:15,911 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 20 [2024-11-22 22:09:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,912 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2024-11-22 22:09:15,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 22:09:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-11-22 22:09:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:09:15,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,912 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] [2024-11-22 22:09:15,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:09:15,913 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1929063812, now seen corresponding path program 1 times [2024-11-22 22:09:15,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917153958] [2024-11-22 22:09:15,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:09:15,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:15,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917153958] [2024-11-22 22:09:15,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917153958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:15,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:15,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:09:15,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607011798] [2024-11-22 22:09:15,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:15,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:09:15,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:15,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:09:15,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:09:15,949 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:09:15,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:15,978 INFO L93 Difference]: Finished difference Result 138 states and 162 transitions. [2024-11-22 22:09:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:09:15,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-22 22:09:15,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:15,980 INFO L225 Difference]: With dead ends: 138 [2024-11-22 22:09:15,980 INFO L226 Difference]: Without dead ends: 77 [2024-11-22 22:09:15,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:15,981 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 6 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:15,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 157 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-22 22:09:15,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-11-22 22:09:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 64 states have internal predecessors, (72), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:09:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2024-11-22 22:09:15,987 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 23 [2024-11-22 22:09:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:15,987 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2024-11-22 22:09:15,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:09:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2024-11-22 22:09:15,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:09:15,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:15,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:15,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:09:15,988 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:15,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:15,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1440891157, now seen corresponding path program 1 times [2024-11-22 22:09:15,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:15,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867223155] [2024-11-22 22:09:15,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:15,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:09:16,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:16,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867223155] [2024-11-22 22:09:16,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867223155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:16,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895298257] [2024-11-22 22:09:16,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:16,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:16,050 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 22:09:16,055 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 22:09:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:16,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:09:16,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:09:16,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:09:16,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895298257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:16,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:16,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-22 22:09:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143048738] [2024-11-22 22:09:16,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:16,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:09:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:16,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:09:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:09:16,181 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:16,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:16,221 INFO L93 Difference]: Finished difference Result 113 states and 140 transitions. [2024-11-22 22:09:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:09:16,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 25 [2024-11-22 22:09:16,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:16,222 INFO L225 Difference]: With dead ends: 113 [2024-11-22 22:09:16,222 INFO L226 Difference]: Without dead ends: 112 [2024-11-22 22:09:16,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:09:16,223 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:16,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:16,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-22 22:09:16,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-22 22:09:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 94 states have internal predecessors, (108), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:09:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 134 transitions. [2024-11-22 22:09:16,231 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 134 transitions. Word has length 25 [2024-11-22 22:09:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:16,232 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 134 transitions. [2024-11-22 22:09:16,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 134 transitions. [2024-11-22 22:09:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:09:16,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:16,233 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:16,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:09:16,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 22:09:16,434 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:16,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:16,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1684798159, now seen corresponding path program 1 times [2024-11-22 22:09:16,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:16,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871581764] [2024-11-22 22:09:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:09:16,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:16,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871581764] [2024-11-22 22:09:16,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871581764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47766307] [2024-11-22 22:09:16,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:16,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:16,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:16,544 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 22:09:16,545 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 22:09:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:16,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:09:16,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:09:16,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:09:16,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47766307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:16,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:16,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-22 22:09:16,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42122941] [2024-11-22 22:09:16,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:16,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:09:16,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:16,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:09:16,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:16,797 INFO L87 Difference]: Start difference. First operand 112 states and 134 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:09:16,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:16,857 INFO L93 Difference]: Finished difference Result 183 states and 218 transitions. [2024-11-22 22:09:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:09:16,858 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2024-11-22 22:09:16,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:16,859 INFO L225 Difference]: With dead ends: 183 [2024-11-22 22:09:16,859 INFO L226 Difference]: Without dead ends: 113 [2024-11-22 22:09:16,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 7 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:16,860 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 15 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:16,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 289 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:16,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-22 22:09:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-22 22:09:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 94 states have internal predecessors, (107), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:09:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2024-11-22 22:09:16,875 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 36 [2024-11-22 22:09:16,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:16,876 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2024-11-22 22:09:16,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:09:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2024-11-22 22:09:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:09:16,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:16,877 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:16,885 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 22:09:17,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 22:09:17,078 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:17,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:17,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1468566924, now seen corresponding path program 2 times [2024-11-22 22:09:17,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:17,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080268563] [2024-11-22 22:09:17,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:17,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:17,097 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:17,097 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-22 22:09:17,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:17,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080268563] [2024-11-22 22:09:17,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080268563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:17,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:17,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:09:17,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436877728] [2024-11-22 22:09:17,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:17,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:09:17,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:17,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:09:17,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:17,196 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:09:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:17,273 INFO L93 Difference]: Finished difference Result 224 states and 285 transitions. [2024-11-22 22:09:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:09:17,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-22 22:09:17,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:17,275 INFO L225 Difference]: With dead ends: 224 [2024-11-22 22:09:17,275 INFO L226 Difference]: Without dead ends: 159 [2024-11-22 22:09:17,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:09:17,276 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 35 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:17,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 130 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:17,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-22 22:09:17,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2024-11-22 22:09:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 126 states have internal predecessors, (147), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2024-11-22 22:09:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2024-11-22 22:09:17,288 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 46 [2024-11-22 22:09:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:17,289 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2024-11-22 22:09:17,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:09:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2024-11-22 22:09:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 22:09:17,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:17,290 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:09:17,290 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:17,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:17,295 INFO L85 PathProgramCache]: Analyzing trace with hash 51945572, now seen corresponding path program 1 times [2024-11-22 22:09:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:17,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752132783] [2024-11-22 22:09:17,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:09:17,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:17,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752132783] [2024-11-22 22:09:17,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752132783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795343163] [2024-11-22 22:09:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:17,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:17,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:17,402 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 22:09:17,404 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 22:09:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:17,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:09:17,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:09:17,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:09:17,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795343163] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:17,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:17,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2024-11-22 22:09:17,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785900437] [2024-11-22 22:09:17,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:17,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:09:17,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:17,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:09:17,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:09:17,629 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:17,747 INFO L93 Difference]: Finished difference Result 261 states and 342 transitions. [2024-11-22 22:09:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:09:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 47 [2024-11-22 22:09:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:17,748 INFO L225 Difference]: With dead ends: 261 [2024-11-22 22:09:17,749 INFO L226 Difference]: Without dead ends: 152 [2024-11-22 22:09:17,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 85 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:09:17,750 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 7 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:17,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 337 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-22 22:09:17,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-22 22:09:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 121 states have (on average 1.1983471074380165) internal successors, (145), 126 states have internal predecessors, (145), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2024-11-22 22:09:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 194 transitions. [2024-11-22 22:09:17,768 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 194 transitions. Word has length 47 [2024-11-22 22:09:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:17,768 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 194 transitions. [2024-11-22 22:09:17,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2024-11-22 22:09:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 22:09:17,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:17,774 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:17,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:09:17,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:17,975 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:17,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:17,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1103925596, now seen corresponding path program 1 times [2024-11-22 22:09:17,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:17,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578957428] [2024-11-22 22:09:17,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:17,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:09:18,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:18,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578957428] [2024-11-22 22:09:18,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578957428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:18,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399265344] [2024-11-22 22:09:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:18,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:18,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:18,072 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 22:09:18,074 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 22:09:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:18,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:09:18,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:09:18,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:09:18,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399265344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:18,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:18,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-22 22:09:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771735086] [2024-11-22 22:09:18,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:18,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:09:18,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:09:18,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:18,285 INFO L87 Difference]: Start difference. First operand 152 states and 194 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:18,484 INFO L93 Difference]: Finished difference Result 268 states and 369 transitions. [2024-11-22 22:09:18,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:09:18,485 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2024-11-22 22:09:18,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:18,488 INFO L225 Difference]: With dead ends: 268 [2024-11-22 22:09:18,488 INFO L226 Difference]: Without dead ends: 266 [2024-11-22 22:09:18,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:09:18,489 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 141 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:18,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 193 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-22 22:09:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 249. [2024-11-22 22:09:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 202 states have (on average 1.198019801980198) internal successors, (242), 205 states have internal predecessors, (242), 29 states have call successors, (29), 8 states have call predecessors, (29), 12 states have return successors, (59), 35 states have call predecessors, (59), 29 states have call successors, (59) [2024-11-22 22:09:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 330 transitions. [2024-11-22 22:09:18,534 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 330 transitions. Word has length 50 [2024-11-22 22:09:18,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:18,534 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 330 transitions. [2024-11-22 22:09:18,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:09:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 330 transitions. [2024-11-22 22:09:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:09:18,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:18,535 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:18,550 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 22:09:18,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:18,736 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:18,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash 659198436, now seen corresponding path program 2 times [2024-11-22 22:09:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:18,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852189184] [2024-11-22 22:09:18,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:18,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:18,752 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:18,756 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:09:18,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:18,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852189184] [2024-11-22 22:09:18,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852189184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:18,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102392922] [2024-11-22 22:09:18,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:18,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:18,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:18,856 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 22:09:18,862 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 22:09:18,896 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:18,896 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:18,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:09:18,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:09:18,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:09:19,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102392922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:19,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:19,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-22 22:09:19,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094196649] [2024-11-22 22:09:19,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:19,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:09:19,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:19,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:09:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:09:19,140 INFO L87 Difference]: Start difference. First operand 249 states and 330 transitions. Second operand has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:09:19,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:19,214 INFO L93 Difference]: Finished difference Result 430 states and 624 transitions. [2024-11-22 22:09:19,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:09:19,214 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 55 [2024-11-22 22:09:19,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:19,216 INFO L225 Difference]: With dead ends: 430 [2024-11-22 22:09:19,216 INFO L226 Difference]: Without dead ends: 429 [2024-11-22 22:09:19,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:09:19,217 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:19,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:19,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-22 22:09:19,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-22 22:09:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 352 states have (on average 1.1988636363636365) internal successors, (422), 355 states have internal predecessors, (422), 59 states have call successors, (59), 8 states have call predecessors, (59), 12 states have return successors, (113), 65 states have call predecessors, (113), 59 states have call successors, (113) [2024-11-22 22:09:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 594 transitions. [2024-11-22 22:09:19,242 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 594 transitions. Word has length 55 [2024-11-22 22:09:19,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:19,242 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 594 transitions. [2024-11-22 22:09:19,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:09:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 594 transitions. [2024-11-22 22:09:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:09:19,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:19,254 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:19,264 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 22:09:19,458 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,SelfDestructingSolverStorable14 [2024-11-22 22:09:19,459 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:19,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1562834430, now seen corresponding path program 1 times [2024-11-22 22:09:19,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:19,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836151926] [2024-11-22 22:09:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:19,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 22:09:19,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:19,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836151926] [2024-11-22 22:09:19,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836151926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:19,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821948070] [2024-11-22 22:09:19,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:19,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:19,549 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 22:09:19,550 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 22:09:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:19,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:09:19,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 22:09:19,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-22 22:09:19,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821948070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:19,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:19,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2024-11-22 22:09:19,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304859449] [2024-11-22 22:09:19,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:19,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:09:19,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:19,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:09:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:09:19,696 INFO L87 Difference]: Start difference. First operand 429 states and 594 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 12 states have internal predecessors, (73), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-22 22:09:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:20,018 INFO L93 Difference]: Finished difference Result 857 states and 1273 transitions. [2024-11-22 22:09:20,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-22 22:09:20,019 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 12 states have internal predecessors, (73), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 63 [2024-11-22 22:09:20,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:20,021 INFO L225 Difference]: With dead ends: 857 [2024-11-22 22:09:20,021 INFO L226 Difference]: Without dead ends: 533 [2024-11-22 22:09:20,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 121 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:09:20,024 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 164 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:20,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 226 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:09:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-22 22:09:20,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 499. [2024-11-22 22:09:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 408 states have (on average 1.2107843137254901) internal successors, (494), 411 states have internal predecessors, (494), 65 states have call successors, (65), 14 states have call predecessors, (65), 20 states have return successors, (123), 73 states have call predecessors, (123), 65 states have call successors, (123) [2024-11-22 22:09:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 682 transitions. [2024-11-22 22:09:20,058 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 682 transitions. Word has length 63 [2024-11-22 22:09:20,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:20,059 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 682 transitions. [2024-11-22 22:09:20,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 12 states have internal predecessors, (73), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-22 22:09:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 682 transitions. [2024-11-22 22:09:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 22:09:20,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:20,060 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:20,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:09:20,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 22:09:20,261 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:20,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:20,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1218673775, now seen corresponding path program 2 times [2024-11-22 22:09:20,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:20,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805365525] [2024-11-22 22:09:20,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:20,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:20,268 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:20,269 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:09:20,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:20,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805365525] [2024-11-22 22:09:20,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805365525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:20,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:20,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:09:20,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20914127] [2024-11-22 22:09:20,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:20,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:09:20,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:20,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:09:20,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:09:20,306 INFO L87 Difference]: Start difference. First operand 499 states and 682 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:09:20,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:20,427 INFO L93 Difference]: Finished difference Result 973 states and 1479 transitions. [2024-11-22 22:09:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:09:20,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-22 22:09:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:20,431 INFO L225 Difference]: With dead ends: 973 [2024-11-22 22:09:20,431 INFO L226 Difference]: Without dead ends: 579 [2024-11-22 22:09:20,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:09:20,433 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 24 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:20,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 136 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:20,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-22 22:09:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 557. [2024-11-22 22:09:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 454 states have (on average 1.2268722466960353) internal successors, (557), 456 states have internal predecessors, (557), 70 states have call successors, (70), 14 states have call predecessors, (70), 27 states have return successors, (165), 86 states have call predecessors, (165), 70 states have call successors, (165) [2024-11-22 22:09:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 792 transitions. [2024-11-22 22:09:20,458 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 792 transitions. Word has length 58 [2024-11-22 22:09:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:20,458 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 792 transitions. [2024-11-22 22:09:20,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:09:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 792 transitions. [2024-11-22 22:09:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:09:20,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:20,459 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:20,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:09:20,459 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:20,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:20,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1353103700, now seen corresponding path program 1 times [2024-11-22 22:09:20,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:20,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757933906] [2024-11-22 22:09:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-22 22:09:20,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:20,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757933906] [2024-11-22 22:09:20,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757933906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:20,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:20,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:09:20,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219929903] [2024-11-22 22:09:20,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:20,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:09:20,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:20,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:09:20,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:09:20,496 INFO L87 Difference]: Start difference. First operand 557 states and 792 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:09:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:20,544 INFO L93 Difference]: Finished difference Result 968 states and 1466 transitions. [2024-11-22 22:09:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:09:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2024-11-22 22:09:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:20,547 INFO L225 Difference]: With dead ends: 968 [2024-11-22 22:09:20,547 INFO L226 Difference]: Without dead ends: 522 [2024-11-22 22:09:20,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:20,550 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 30 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:20,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 105 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:20,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-22 22:09:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-22 22:09:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 425 states have (on average 1.2094117647058824) internal successors, (514), 430 states have internal predecessors, (514), 70 states have call successors, (70), 14 states have call predecessors, (70), 21 states have return successors, (114), 77 states have call predecessors, (114), 70 states have call successors, (114) [2024-11-22 22:09:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 698 transitions. [2024-11-22 22:09:20,570 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 698 transitions. Word has length 65 [2024-11-22 22:09:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:20,571 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 698 transitions. [2024-11-22 22:09:20,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:09:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2024-11-22 22:09:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 22:09:20,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:20,572 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:20,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:09:20,572 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:20,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash -998718612, now seen corresponding path program 2 times [2024-11-22 22:09:20,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:20,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595385142] [2024-11-22 22:09:20,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:20,582 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:20,582 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-22 22:09:20,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595385142] [2024-11-22 22:09:20,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595385142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115179473] [2024-11-22 22:09:20,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:20,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:20,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:20,632 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 22:09:20,634 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 22:09:20,670 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:20,670 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:20,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:09:20,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-22 22:09:20,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:09:20,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115179473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:20,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:09:20,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-22 22:09:20,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611204994] [2024-11-22 22:09:20,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:20,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:09:20,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:20,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:09:20,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:09:20,702 INFO L87 Difference]: Start difference. First operand 522 states and 698 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:09:20,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:20,744 INFO L93 Difference]: Finished difference Result 571 states and 778 transitions. [2024-11-22 22:09:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:09:20,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2024-11-22 22:09:20,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:20,747 INFO L225 Difference]: With dead ends: 571 [2024-11-22 22:09:20,747 INFO L226 Difference]: Without dead ends: 570 [2024-11-22 22:09:20,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:09:20,748 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:20,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 150 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:20,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-22 22:09:20,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 550. [2024-11-22 22:09:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 449 states have (on average 1.1982182628062361) internal successors, (538), 448 states have internal predecessors, (538), 70 states have call successors, (70), 14 states have call predecessors, (70), 25 states have return successors, (131), 87 states have call predecessors, (131), 70 states have call successors, (131) [2024-11-22 22:09:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 739 transitions. [2024-11-22 22:09:20,788 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 739 transitions. Word has length 66 [2024-11-22 22:09:20,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:20,789 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 739 transitions. [2024-11-22 22:09:20,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:09:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 739 transitions. [2024-11-22 22:09:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 22:09:20,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:20,790 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:20,798 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 22:09:20,990 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 22:09:20,991 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:20,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash -895505840, now seen corresponding path program 1 times [2024-11-22 22:09:20,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:20,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896928970] [2024-11-22 22:09:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:20,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:21,037 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-22 22:09:21,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:21,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896928970] [2024-11-22 22:09:21,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896928970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:21,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:21,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:09:21,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665946757] [2024-11-22 22:09:21,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:21,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:09:21,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:21,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:09:21,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:21,040 INFO L87 Difference]: Start difference. First operand 550 states and 739 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:09:21,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:21,085 INFO L93 Difference]: Finished difference Result 671 states and 986 transitions. [2024-11-22 22:09:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:09:21,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2024-11-22 22:09:21,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:21,089 INFO L225 Difference]: With dead ends: 671 [2024-11-22 22:09:21,089 INFO L226 Difference]: Without dead ends: 667 [2024-11-22 22:09:21,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:09:21,091 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:21,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 166 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-22 22:09:21,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 629. [2024-11-22 22:09:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 512 states have (on average 1.185546875) internal successors, (607), 508 states have internal predecessors, (607), 80 states have call successors, (80), 14 states have call predecessors, (80), 31 states have return successors, (206), 106 states have call predecessors, (206), 80 states have call successors, (206) [2024-11-22 22:09:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 893 transitions. [2024-11-22 22:09:21,128 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 893 transitions. Word has length 67 [2024-11-22 22:09:21,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:21,128 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 893 transitions. [2024-11-22 22:09:21,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:09:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 893 transitions. [2024-11-22 22:09:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 22:09:21,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:21,130 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:21,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 22:09:21,130 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:21,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -440111218, now seen corresponding path program 1 times [2024-11-22 22:09:21,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:21,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789847743] [2024-11-22 22:09:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 47 proven. 40 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-22 22:09:21,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:21,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789847743] [2024-11-22 22:09:21,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789847743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:21,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549363658] [2024-11-22 22:09:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:21,216 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 22:09:21,218 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 22:09:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:21,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:09:21,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 139 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-22 22:09:21,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 47 proven. 40 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-22 22:09:21,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549363658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:21,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:21,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2024-11-22 22:09:21,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369771119] [2024-11-22 22:09:21,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:21,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:09:21,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:09:21,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:09:21,382 INFO L87 Difference]: Start difference. First operand 629 states and 893 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:09:21,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:21,494 INFO L93 Difference]: Finished difference Result 1199 states and 1713 transitions. [2024-11-22 22:09:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:09:21,495 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 101 [2024-11-22 22:09:21,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:21,498 INFO L225 Difference]: With dead ends: 1199 [2024-11-22 22:09:21,498 INFO L226 Difference]: Without dead ends: 657 [2024-11-22 22:09:21,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 196 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:09:21,502 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 37 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:21,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 181 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:21,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-22 22:09:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 634. [2024-11-22 22:09:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 516 states have (on average 1.1705426356589148) internal successors, (604), 515 states have internal predecessors, (604), 80 states have call successors, (80), 19 states have call predecessors, (80), 32 states have return successors, (175), 99 states have call predecessors, (175), 80 states have call successors, (175) [2024-11-22 22:09:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 859 transitions. [2024-11-22 22:09:21,535 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 859 transitions. Word has length 101 [2024-11-22 22:09:21,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:21,535 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 859 transitions. [2024-11-22 22:09:21,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:09:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 859 transitions. [2024-11-22 22:09:21,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 22:09:21,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:21,536 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:21,546 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 22:09:21,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-22 22:09:21,741 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:21,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash -721600790, now seen corresponding path program 1 times [2024-11-22 22:09:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:21,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758183062] [2024-11-22 22:09:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-22 22:09:21,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:21,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758183062] [2024-11-22 22:09:21,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758183062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:21,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870689360] [2024-11-22 22:09:21,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:21,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:21,818 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 22:09:21,820 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 22:09:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:21,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:09:21,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-22 22:09:21,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-22 22:09:21,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870689360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:21,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:21,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2024-11-22 22:09:21,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727172377] [2024-11-22 22:09:21,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:21,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:09:21,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:21,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:09:21,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:09:21,978 INFO L87 Difference]: Start difference. First operand 634 states and 859 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 22:09:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:22,345 INFO L93 Difference]: Finished difference Result 1227 states and 1687 transitions. [2024-11-22 22:09:22,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-22 22:09:22,346 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 78 [2024-11-22 22:09:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:22,350 INFO L225 Difference]: With dead ends: 1227 [2024-11-22 22:09:22,350 INFO L226 Difference]: Without dead ends: 1225 [2024-11-22 22:09:22,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=382, Invalid=1970, Unknown=0, NotChecked=0, Total=2352 [2024-11-22 22:09:22,352 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 35 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:22,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 346 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:22,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-11-22 22:09:22,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 906. [2024-11-22 22:09:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 746 states have (on average 1.1648793565683646) internal successors, (869), 746 states have internal predecessors, (869), 122 states have call successors, (122), 19 states have call predecessors, (122), 32 states have return successors, (264), 140 states have call predecessors, (264), 122 states have call successors, (264) [2024-11-22 22:09:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1255 transitions. [2024-11-22 22:09:22,392 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1255 transitions. Word has length 78 [2024-11-22 22:09:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:22,392 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1255 transitions. [2024-11-22 22:09:22,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 22:09:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1255 transitions. [2024-11-22 22:09:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:09:22,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:22,394 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:22,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:09:22,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:22,598 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:22,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:22,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1468856143, now seen corresponding path program 1 times [2024-11-22 22:09:22,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:22,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608734942] [2024-11-22 22:09:22,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:22,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-22 22:09:22,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:22,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608734942] [2024-11-22 22:09:22,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608734942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:22,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:22,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:09:22,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321353351] [2024-11-22 22:09:22,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:22,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:09:22,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:22,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:09:22,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:09:22,623 INFO L87 Difference]: Start difference. First operand 906 states and 1255 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:09:22,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:22,658 INFO L93 Difference]: Finished difference Result 914 states and 1306 transitions. [2024-11-22 22:09:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:09:22,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-22 22:09:22,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:22,662 INFO L225 Difference]: With dead ends: 914 [2024-11-22 22:09:22,662 INFO L226 Difference]: Without dead ends: 902 [2024-11-22 22:09:22,662 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 22:09:22,663 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:22,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 72 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:22,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-22 22:09:22,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 896. [2024-11-22 22:09:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 739 states have (on average 1.1569688768606226) internal successors, (855), 738 states have internal predecessors, (855), 121 states have call successors, (121), 19 states have call predecessors, (121), 31 states have return successors, (262), 138 states have call predecessors, (262), 121 states have call successors, (262) [2024-11-22 22:09:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1238 transitions. [2024-11-22 22:09:22,706 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1238 transitions. Word has length 83 [2024-11-22 22:09:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:22,707 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 1238 transitions. [2024-11-22 22:09:22,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:09:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1238 transitions. [2024-11-22 22:09:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-22 22:09:22,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:22,710 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 8, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:22,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 22:09:22,710 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:22,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:22,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1660641723, now seen corresponding path program 1 times [2024-11-22 22:09:22,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:22,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239025312] [2024-11-22 22:09:22,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:22,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 114 proven. 44 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-22 22:09:22,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:22,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239025312] [2024-11-22 22:09:22,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239025312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:22,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446868456] [2024-11-22 22:09:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:22,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:22,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:22,785 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 22:09:22,786 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 22:09:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:22,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:09:22,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 270 proven. 1 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-22 22:09:22,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 114 proven. 44 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-22 22:09:22,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446868456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:22,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:22,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-22 22:09:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505639432] [2024-11-22 22:09:22,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:22,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:09:22,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:22,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:09:22,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:22,941 INFO L87 Difference]: Start difference. First operand 896 states and 1238 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 22:09:23,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:23,029 INFO L93 Difference]: Finished difference Result 1627 states and 2380 transitions. [2024-11-22 22:09:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:09:23,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 146 [2024-11-22 22:09:23,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:23,034 INFO L225 Difference]: With dead ends: 1627 [2024-11-22 22:09:23,034 INFO L226 Difference]: Without dead ends: 923 [2024-11-22 22:09:23,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:09:23,039 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 54 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:23,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 92 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:23,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-22 22:09:23,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 914. [2024-11-22 22:09:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 754 states have (on average 1.156498673740053) internal successors, (872), 751 states have internal predecessors, (872), 123 states have call successors, (123), 19 states have call predecessors, (123), 32 states have return successors, (270), 143 states have call predecessors, (270), 123 states have call successors, (270) [2024-11-22 22:09:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1265 transitions. [2024-11-22 22:09:23,078 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1265 transitions. Word has length 146 [2024-11-22 22:09:23,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:23,078 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1265 transitions. [2024-11-22 22:09:23,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 22:09:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1265 transitions. [2024-11-22 22:09:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 22:09:23,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:23,080 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:23,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 22:09:23,281 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,SelfDestructingSolverStorable23 [2024-11-22 22:09:23,282 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:23,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:23,282 INFO L85 PathProgramCache]: Analyzing trace with hash -429990542, now seen corresponding path program 2 times [2024-11-22 22:09:23,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:23,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457254411] [2024-11-22 22:09:23,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:23,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:23,292 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:23,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-22 22:09:23,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:23,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457254411] [2024-11-22 22:09:23,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457254411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:23,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601736037] [2024-11-22 22:09:23,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:23,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:23,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:23,332 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 22:09:23,333 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 22:09:23,379 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:23,379 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:23,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:09:23,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 177 proven. 46 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-22 22:09:23,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 39 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-22 22:09:23,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601736037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:23,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:23,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 12, 12] total 22 [2024-11-22 22:09:23,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664911210] [2024-11-22 22:09:23,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:23,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:09:23,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:23,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:09:23,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:09:23,695 INFO L87 Difference]: Start difference. First operand 914 states and 1265 transitions. Second operand has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 20 states have internal predecessors, (97), 10 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:09:23,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:23,996 INFO L93 Difference]: Finished difference Result 1666 states and 2344 transitions. [2024-11-22 22:09:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:09:23,996 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 20 states have internal predecessors, (97), 10 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 127 [2024-11-22 22:09:23,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:24,001 INFO L225 Difference]: With dead ends: 1666 [2024-11-22 22:09:24,001 INFO L226 Difference]: Without dead ends: 944 [2024-11-22 22:09:24,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 233 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:09:24,005 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 22 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:24,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 440 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:09:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-11-22 22:09:24,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 894. [2024-11-22 22:09:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 736 states have (on average 1.15625) internal successors, (851), 737 states have internal predecessors, (851), 121 states have call successors, (121), 19 states have call predecessors, (121), 32 states have return successors, (266), 137 states have call predecessors, (266), 121 states have call successors, (266) [2024-11-22 22:09:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1238 transitions. [2024-11-22 22:09:24,046 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1238 transitions. Word has length 127 [2024-11-22 22:09:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:24,046 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1238 transitions. [2024-11-22 22:09:24,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 20 states have internal predecessors, (97), 10 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:09:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1238 transitions. [2024-11-22 22:09:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 22:09:24,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:24,048 INFO L215 NwaCegarLoop]: trace histogram [12, 10, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:24,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:09:24,252 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,SelfDestructingSolverStorable24 [2024-11-22 22:09:24,253 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:24,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:24,253 INFO L85 PathProgramCache]: Analyzing trace with hash 275095270, now seen corresponding path program 1 times [2024-11-22 22:09:24,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:24,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305605790] [2024-11-22 22:09:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:24,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 58 proven. 66 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-22 22:09:24,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:24,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305605790] [2024-11-22 22:09:24,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305605790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:24,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219100209] [2024-11-22 22:09:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:24,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:24,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:24,412 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 22:09:24,414 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 22:09:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:24,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:09:24,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 168 proven. 37 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-22 22:09:24,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 58 proven. 66 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-22 22:09:24,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219100209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:24,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:24,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2024-11-22 22:09:24,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020107966] [2024-11-22 22:09:24,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:24,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:09:24,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:24,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:09:24,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:09:24,705 INFO L87 Difference]: Start difference. First operand 894 states and 1238 transitions. Second operand has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 18 states have internal predecessors, (76), 8 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-22 22:09:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:24,844 INFO L93 Difference]: Finished difference Result 1144 states and 1586 transitions. [2024-11-22 22:09:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:09:24,845 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 18 states have internal predecessors, (76), 8 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 123 [2024-11-22 22:09:24,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:24,848 INFO L225 Difference]: With dead ends: 1144 [2024-11-22 22:09:24,848 INFO L226 Difference]: Without dead ends: 833 [2024-11-22 22:09:24,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 230 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:09:24,850 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:24,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 475 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-22 22:09:24,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 832. [2024-11-22 22:09:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 684 states have (on average 1.1505847953216375) internal successors, (787), 683 states have internal predecessors, (787), 111 states have call successors, (111), 19 states have call predecessors, (111), 32 states have return successors, (249), 129 states have call predecessors, (249), 111 states have call successors, (249) [2024-11-22 22:09:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1147 transitions. [2024-11-22 22:09:24,882 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1147 transitions. Word has length 123 [2024-11-22 22:09:24,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:24,882 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1147 transitions. [2024-11-22 22:09:24,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 18 states have internal predecessors, (76), 8 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-22 22:09:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1147 transitions. [2024-11-22 22:09:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 22:09:24,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:24,883 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:24,894 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 22:09:25,087 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,SelfDestructingSolverStorable25 [2024-11-22 22:09:25,088 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:25,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1177413314, now seen corresponding path program 3 times [2024-11-22 22:09:25,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:25,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978440883] [2024-11-22 22:09:25,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:25,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:25,108 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:09:25,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:09:25,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:25,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978440883] [2024-11-22 22:09:25,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978440883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:25,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536108207] [2024-11-22 22:09:25,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:25,516 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 22:09:25,520 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 22:09:25,568 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:09:25,569 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:25,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:09:25,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:09:25,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:09:26,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536108207] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:26,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:26,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-22 22:09:26,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086698484] [2024-11-22 22:09:26,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:26,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-22 22:09:26,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:26,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-22 22:09:26,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 22:09:26,113 INFO L87 Difference]: Start difference. First operand 832 states and 1147 transitions. Second operand has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:09:26,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:26,281 INFO L93 Difference]: Finished difference Result 1409 states and 2095 transitions. [2024-11-22 22:09:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-22 22:09:26,282 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 115 [2024-11-22 22:09:26,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:26,290 INFO L225 Difference]: With dead ends: 1409 [2024-11-22 22:09:26,290 INFO L226 Difference]: Without dead ends: 1408 [2024-11-22 22:09:26,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 22:09:26,292 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:26,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:26,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2024-11-22 22:09:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1408. [2024-11-22 22:09:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1164 states have (on average 1.1709621993127148) internal successors, (1363), 1163 states have internal predecessors, (1363), 207 states have call successors, (207), 19 states have call predecessors, (207), 32 states have return successors, (429), 225 states have call predecessors, (429), 207 states have call successors, (429) [2024-11-22 22:09:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1999 transitions. [2024-11-22 22:09:26,394 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1999 transitions. Word has length 115 [2024-11-22 22:09:26,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:26,394 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 1999 transitions. [2024-11-22 22:09:26,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:09:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1999 transitions. [2024-11-22 22:09:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 22:09:26,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:26,396 INFO L215 NwaCegarLoop]: trace histogram [15, 12, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:26,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:09:26,597 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,SelfDestructingSolverStorable26 [2024-11-22 22:09:26,598 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:26,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1279086902, now seen corresponding path program 2 times [2024-11-22 22:09:26,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:26,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064418082] [2024-11-22 22:09:26,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:26,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:26,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 82 proven. 40 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-22 22:09:26,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:26,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064418082] [2024-11-22 22:09:26,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064418082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:26,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355912700] [2024-11-22 22:09:26,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:26,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:26,649 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 22:09:26,654 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 22:09:26,706 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:26,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:26,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:09:26,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-22 22:09:26,721 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:09:26,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355912700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:26,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:09:26,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2024-11-22 22:09:26,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467868704] [2024-11-22 22:09:26,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:26,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:09:26,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:26,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:09:26,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:09:26,723 INFO L87 Difference]: Start difference. First operand 1408 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:09:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:26,800 INFO L93 Difference]: Finished difference Result 2517 states and 3785 transitions. [2024-11-22 22:09:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:09:26,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 149 [2024-11-22 22:09:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:26,809 INFO L225 Difference]: With dead ends: 2517 [2024-11-22 22:09:26,809 INFO L226 Difference]: Without dead ends: 1354 [2024-11-22 22:09:26,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:26,816 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 23 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:26,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 105 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2024-11-22 22:09:26,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1350. [2024-11-22 22:09:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1117 states have (on average 1.170993733213966) internal successors, (1308), 1120 states have internal predecessors, (1308), 201 states have call successors, (201), 19 states have call predecessors, (201), 27 states have return successors, (379), 210 states have call predecessors, (379), 201 states have call successors, (379) [2024-11-22 22:09:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1888 transitions. [2024-11-22 22:09:26,896 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1888 transitions. Word has length 149 [2024-11-22 22:09:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:26,897 INFO L471 AbstractCegarLoop]: Abstraction has 1350 states and 1888 transitions. [2024-11-22 22:09:26,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:09:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1888 transitions. [2024-11-22 22:09:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 22:09:26,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:26,899 INFO L215 NwaCegarLoop]: trace histogram [15, 12, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:26,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:09:27,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:27,100 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:27,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:27,101 INFO L85 PathProgramCache]: Analyzing trace with hash 811425516, now seen corresponding path program 3 times [2024-11-22 22:09:27,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:27,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117663143] [2024-11-22 22:09:27,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:27,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:27,134 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-22 22:09:27,134 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 74 proven. 41 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-22 22:09:27,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:27,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117663143] [2024-11-22 22:09:27,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117663143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:27,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680357032] [2024-11-22 22:09:27,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:27,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:27,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:27,289 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 22:09:27,295 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 22:09:27,345 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-22 22:09:27,345 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:27,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:09:27,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 90 proven. 5 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-22 22:09:27,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 98 proven. 5 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-22 22:09:27,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680357032] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:27,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:27,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 13 [2024-11-22 22:09:27,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255817820] [2024-11-22 22:09:27,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:27,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:09:27,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:27,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:09:27,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:09:27,554 INFO L87 Difference]: Start difference. First operand 1350 states and 1888 transitions. Second operand has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (13), 9 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:09:27,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:27,692 INFO L93 Difference]: Finished difference Result 1484 states and 2151 transitions. [2024-11-22 22:09:27,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:09:27,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (13), 9 states have call predecessors, (13), 4 states have call successors, (13) Word has length 148 [2024-11-22 22:09:27,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:27,718 INFO L225 Difference]: With dead ends: 1484 [2024-11-22 22:09:27,718 INFO L226 Difference]: Without dead ends: 1483 [2024-11-22 22:09:27,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:09:27,720 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:27,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:27,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2024-11-22 22:09:27,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1400. [2024-11-22 22:09:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1160 states have (on average 1.1706896551724137) internal successors, (1358), 1155 states have internal predecessors, (1358), 204 states have call successors, (204), 19 states have call predecessors, (204), 31 states have return successors, (472), 225 states have call predecessors, (472), 204 states have call successors, (472) [2024-11-22 22:09:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2034 transitions. [2024-11-22 22:09:27,811 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2034 transitions. Word has length 148 [2024-11-22 22:09:27,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:27,811 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 2034 transitions. [2024-11-22 22:09:27,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (13), 9 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:09:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2034 transitions. [2024-11-22 22:09:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 22:09:27,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:27,814 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 9, 9, 8, 8, 8, 8, 8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:27,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:09:28,014 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,SelfDestructingSolverStorable28 [2024-11-22 22:09:28,015 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:28,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:28,015 INFO L85 PathProgramCache]: Analyzing trace with hash -607694359, now seen corresponding path program 1 times [2024-11-22 22:09:28,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:28,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380041400] [2024-11-22 22:09:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:28,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 163 proven. 23 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-22 22:09:28,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:28,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380041400] [2024-11-22 22:09:28,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380041400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:28,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833884163] [2024-11-22 22:09:28,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:28,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:28,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:28,105 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 22:09:28,106 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 22:09:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:28,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:09:28,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-22 22:09:28,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:09:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833884163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:28,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:09:28,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-11-22 22:09:28,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892967428] [2024-11-22 22:09:28,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:28,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:09:28,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:28,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:09:28,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:09:28,215 INFO L87 Difference]: Start difference. First operand 1400 states and 2034 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:09:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:28,331 INFO L93 Difference]: Finished difference Result 1932 states and 2917 transitions. [2024-11-22 22:09:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:09:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 135 [2024-11-22 22:09:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:28,336 INFO L225 Difference]: With dead ends: 1932 [2024-11-22 22:09:28,336 INFO L226 Difference]: Without dead ends: 979 [2024-11-22 22:09:28,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:09:28,340 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 26 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:28,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 176 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-22 22:09:28,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 976. [2024-11-22 22:09:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 806 states have (on average 1.162531017369727) internal successors, (937), 804 states have internal predecessors, (937), 138 states have call successors, (138), 15 states have call predecessors, (138), 27 states have return successors, (314), 156 states have call predecessors, (314), 138 states have call successors, (314) [2024-11-22 22:09:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1389 transitions. [2024-11-22 22:09:28,375 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1389 transitions. Word has length 135 [2024-11-22 22:09:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:28,375 INFO L471 AbstractCegarLoop]: Abstraction has 976 states and 1389 transitions. [2024-11-22 22:09:28,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:09:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1389 transitions. [2024-11-22 22:09:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-22 22:09:28,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:28,377 INFO L215 NwaCegarLoop]: trace histogram [19, 16, 10, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:28,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:09:28,577 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 22:09:28,577 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:28,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash -325099316, now seen corresponding path program 4 times [2024-11-22 22:09:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:28,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596888037] [2024-11-22 22:09:28,578 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:09:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:28,589 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:09:28,589 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 135 proven. 277 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-22 22:09:28,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:28,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596888037] [2024-11-22 22:09:28,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596888037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:28,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047401762] [2024-11-22 22:09:28,730 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:09:28,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:28,732 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 22:09:28,732 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 22:09:28,782 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:09:28,783 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:28,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:09:28,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 514 proven. 53 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-22 22:09:28,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 135 proven. 278 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-11-22 22:09:29,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047401762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:29,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:29,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 17 [2024-11-22 22:09:29,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951241405] [2024-11-22 22:09:29,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:29,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:09:29,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:29,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:09:29,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:09:29,121 INFO L87 Difference]: Start difference. First operand 976 states and 1389 transitions. Second operand has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 9 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-22 22:09:29,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:29,634 INFO L93 Difference]: Finished difference Result 2555 states and 4720 transitions. [2024-11-22 22:09:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 22:09:29,634 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 9 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 188 [2024-11-22 22:09:29,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:29,644 INFO L225 Difference]: With dead ends: 2555 [2024-11-22 22:09:29,644 INFO L226 Difference]: Without dead ends: 1796 [2024-11-22 22:09:29,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 375 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1033, Unknown=0, NotChecked=0, Total=1332 [2024-11-22 22:09:29,652 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 274 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:29,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 347 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:09:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2024-11-22 22:09:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1710. [2024-11-22 22:09:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1414 states have (on average 1.1654879773691655) internal successors, (1648), 1403 states have internal predecessors, (1648), 238 states have call successors, (238), 27 states have call predecessors, (238), 53 states have return successors, (1006), 279 states have call predecessors, (1006), 238 states have call successors, (1006) [2024-11-22 22:09:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2892 transitions. [2024-11-22 22:09:29,746 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2892 transitions. Word has length 188 [2024-11-22 22:09:29,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:29,746 INFO L471 AbstractCegarLoop]: Abstraction has 1710 states and 2892 transitions. [2024-11-22 22:09:29,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 9 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-22 22:09:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2892 transitions. [2024-11-22 22:09:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-22 22:09:29,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:29,748 INFO L215 NwaCegarLoop]: trace histogram [19, 17, 11, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:29,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:09:29,952 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 22:09:29,953 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:29,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:29,953 INFO L85 PathProgramCache]: Analyzing trace with hash 883627234, now seen corresponding path program 5 times [2024-11-22 22:09:29,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:29,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148819304] [2024-11-22 22:09:29,953 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:09:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:29,961 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-22 22:09:29,961 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 140 proven. 63 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2024-11-22 22:09:30,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:30,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148819304] [2024-11-22 22:09:30,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148819304] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:30,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797379252] [2024-11-22 22:09:30,008 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:09:30,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:30,010 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 22:09:30,014 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 22:09:30,053 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-22 22:09:30,053 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:30,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:09:30,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 140 proven. 63 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2024-11-22 22:09:30,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 140 proven. 63 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2024-11-22 22:09:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797379252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:30,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:30,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2024-11-22 22:09:30,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290056456] [2024-11-22 22:09:30,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:30,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:09:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:30,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:09:30,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:09:30,288 INFO L87 Difference]: Start difference. First operand 1710 states and 2892 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-22 22:09:30,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:30,449 INFO L93 Difference]: Finished difference Result 3280 states and 6154 transitions. [2024-11-22 22:09:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:09:30,450 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 194 [2024-11-22 22:09:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:30,460 INFO L225 Difference]: With dead ends: 3280 [2024-11-22 22:09:30,460 INFO L226 Difference]: Without dead ends: 1796 [2024-11-22 22:09:30,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 384 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:30,470 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 83 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:30,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 157 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2024-11-22 22:09:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1758. [2024-11-22 22:09:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1758 states, 1450 states have (on average 1.163448275862069) internal successors, (1687), 1443 states have internal predecessors, (1687), 251 states have call successors, (251), 29 states have call predecessors, (251), 52 states have return successors, (941), 285 states have call predecessors, (941), 251 states have call successors, (941) [2024-11-22 22:09:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2879 transitions. [2024-11-22 22:09:30,584 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2879 transitions. Word has length 194 [2024-11-22 22:09:30,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:30,585 INFO L471 AbstractCegarLoop]: Abstraction has 1758 states and 2879 transitions. [2024-11-22 22:09:30,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-22 22:09:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2879 transitions. [2024-11-22 22:09:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-22 22:09:30,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:30,587 INFO L215 NwaCegarLoop]: trace histogram [22, 19, 15, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:30,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-22 22:09:30,791 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 22:09:30,792 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:30,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1240738495, now seen corresponding path program 6 times [2024-11-22 22:09:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:30,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011172996] [2024-11-22 22:09:30,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:09:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:30,830 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-22 22:09:30,830 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 283 proven. 76 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2024-11-22 22:09:31,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:31,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011172996] [2024-11-22 22:09:31,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011172996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:31,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504182200] [2024-11-22 22:09:31,179 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:09:31,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:31,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:31,181 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 22:09:31,187 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 22:09:31,267 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-22 22:09:31,267 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:31,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:09:31,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 276 proven. 79 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-11-22 22:09:31,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 304 proven. 68 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2024-11-22 22:09:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504182200] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:32,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:32,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 18 [2024-11-22 22:09:32,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962390915] [2024-11-22 22:09:32,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:32,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:09:32,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:32,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:09:32,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:09:32,310 INFO L87 Difference]: Start difference. First operand 1758 states and 2879 transitions. Second operand has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 4 states have call successors, (7), 1 states have call predecessors, (7), 6 states have return successors, (16), 13 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-22 22:09:32,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:32,480 INFO L93 Difference]: Finished difference Result 1949 states and 3443 transitions. [2024-11-22 22:09:32,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:09:32,480 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 4 states have call successors, (7), 1 states have call predecessors, (7), 6 states have return successors, (16), 13 states have call predecessors, (16), 4 states have call successors, (16) Word has length 223 [2024-11-22 22:09:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:32,490 INFO L225 Difference]: With dead ends: 1949 [2024-11-22 22:09:32,490 INFO L226 Difference]: Without dead ends: 1948 [2024-11-22 22:09:32,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 431 SyntacticMatches, 17 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:09:32,492 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 20 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:32,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 403 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-11-22 22:09:32,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1837. [2024-11-22 22:09:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1513 states have (on average 1.160608063450099) internal successors, (1756), 1503 states have internal predecessors, (1756), 259 states have call successors, (259), 29 states have call predecessors, (259), 60 states have return successors, (1203), 304 states have call predecessors, (1203), 259 states have call successors, (1203) [2024-11-22 22:09:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 3218 transitions. [2024-11-22 22:09:32,596 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 3218 transitions. Word has length 223 [2024-11-22 22:09:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:32,596 INFO L471 AbstractCegarLoop]: Abstraction has 1837 states and 3218 transitions. [2024-11-22 22:09:32,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 4 states have call successors, (7), 1 states have call predecessors, (7), 6 states have return successors, (16), 13 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-22 22:09:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 3218 transitions. [2024-11-22 22:09:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-22 22:09:32,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:32,599 INFO L215 NwaCegarLoop]: trace histogram [27, 25, 19, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:32,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:09:32,800 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 22:09:32,800 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:32,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:32,801 INFO L85 PathProgramCache]: Analyzing trace with hash 619299994, now seen corresponding path program 1 times [2024-11-22 22:09:32,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:32,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266089085] [2024-11-22 22:09:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:32,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 166 proven. 457 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2024-11-22 22:09:32,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:32,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266089085] [2024-11-22 22:09:32,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266089085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:32,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815363578] [2024-11-22 22:09:32,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:32,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:32,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:32,945 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 22:09:32,949 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 22:09:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:33,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:09:33,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 930 proven. 44 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2024-11-22 22:09:33,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 166 proven. 458 refuted. 0 times theorem prover too weak. 1422 trivial. 0 not checked. [2024-11-22 22:09:33,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815363578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:33,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:33,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 13 [2024-11-22 22:09:33,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334455631] [2024-11-22 22:09:33,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:33,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:09:33,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:33,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:09:33,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:09:33,393 INFO L87 Difference]: Start difference. First operand 1837 states and 3218 transitions. Second operand has 13 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 13 states have internal predecessors, (95), 9 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 6 states have call predecessors, (15), 9 states have call successors, (15) [2024-11-22 22:09:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:33,582 INFO L93 Difference]: Finished difference Result 3154 states and 6052 transitions. [2024-11-22 22:09:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:09:33,583 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 13 states have internal predecessors, (95), 9 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 6 states have call predecessors, (15), 9 states have call successors, (15) Word has length 277 [2024-11-22 22:09:33,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:33,596 INFO L225 Difference]: With dead ends: 3154 [2024-11-22 22:09:33,596 INFO L226 Difference]: Without dead ends: 1467 [2024-11-22 22:09:33,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 549 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:09:33,603 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 44 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:33,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 191 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:33,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2024-11-22 22:09:33,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1449. [2024-11-22 22:09:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1197 states have (on average 1.1687552213868004) internal successors, (1399), 1194 states have internal predecessors, (1399), 211 states have call successors, (211), 21 states have call predecessors, (211), 36 states have return successors, (1051), 233 states have call predecessors, (1051), 211 states have call successors, (1051) [2024-11-22 22:09:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 2661 transitions. [2024-11-22 22:09:33,674 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 2661 transitions. Word has length 277 [2024-11-22 22:09:33,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:33,674 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 2661 transitions. [2024-11-22 22:09:33,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 13 states have internal predecessors, (95), 9 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 6 states have call predecessors, (15), 9 states have call successors, (15) [2024-11-22 22:09:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2661 transitions. [2024-11-22 22:09:33,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-22 22:09:33,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:33,676 INFO L215 NwaCegarLoop]: trace histogram [19, 18, 12, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:33,685 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 22:09:33,877 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 22:09:33,877 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:33,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1636834542, now seen corresponding path program 1 times [2024-11-22 22:09:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:33,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369240297] [2024-11-22 22:09:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:33,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 74 proven. 160 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-11-22 22:09:33,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:33,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369240297] [2024-11-22 22:09:33,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369240297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:33,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122784688] [2024-11-22 22:09:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:33,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:33,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:33,996 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 22:09:33,997 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 22:09:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:34,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:09:34,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 164 proven. 12 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2024-11-22 22:09:34,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 164 proven. 12 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2024-11-22 22:09:34,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122784688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:34,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:34,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 22 [2024-11-22 22:09:34,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107861031] [2024-11-22 22:09:34,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:34,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 22:09:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 22:09:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:09:34,309 INFO L87 Difference]: Start difference. First operand 1449 states and 2661 transitions. Second operand has 23 states, 22 states have (on average 4.863636363636363) internal successors, (107), 20 states have internal predecessors, (107), 12 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 10 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-22 22:09:34,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:34,958 INFO L93 Difference]: Finished difference Result 2158 states and 3773 transitions. [2024-11-22 22:09:34,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-22 22:09:34,958 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.863636363636363) internal successors, (107), 20 states have internal predecessors, (107), 12 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 10 states have call predecessors, (13), 10 states have call successors, (13) Word has length 207 [2024-11-22 22:09:34,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:34,967 INFO L225 Difference]: With dead ends: 2158 [2024-11-22 22:09:34,967 INFO L226 Difference]: Without dead ends: 2145 [2024-11-22 22:09:34,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=445, Invalid=2977, Unknown=0, NotChecked=0, Total=3422 [2024-11-22 22:09:34,969 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 234 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:34,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 324 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:09:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2024-11-22 22:09:35,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2046. [2024-11-22 22:09:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1668 states have (on average 1.1504796163069544) internal successors, (1919), 1653 states have internal predecessors, (1919), 280 states have call successors, (280), 41 states have call predecessors, (280), 93 states have return successors, (1128), 351 states have call predecessors, (1128), 280 states have call successors, (1128) [2024-11-22 22:09:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 3327 transitions. [2024-11-22 22:09:35,060 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 3327 transitions. Word has length 207 [2024-11-22 22:09:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:35,061 INFO L471 AbstractCegarLoop]: Abstraction has 2046 states and 3327 transitions. [2024-11-22 22:09:35,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.863636363636363) internal successors, (107), 20 states have internal predecessors, (107), 12 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 10 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-22 22:09:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 3327 transitions. [2024-11-22 22:09:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-22 22:09:35,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:35,063 INFO L215 NwaCegarLoop]: trace histogram [23, 21, 16, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:35,069 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 22:09:35,267 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 22:09:35,268 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:35,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash -608986138, now seen corresponding path program 1 times [2024-11-22 22:09:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487099552] [2024-11-22 22:09:35,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 342 proven. 161 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-11-22 22:09:35,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:35,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487099552] [2024-11-22 22:09:35,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487099552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:35,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943998305] [2024-11-22 22:09:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:09:35,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:35,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:35,490 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 22:09:35,491 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 22:09:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:09:35,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:09:35,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 838 proven. 10 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-11-22 22:09:35,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 342 proven. 161 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-11-22 22:09:36,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943998305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:36,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:36,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 20 [2024-11-22 22:09:36,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850906862] [2024-11-22 22:09:36,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:36,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 22:09:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 22:09:36,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:09:36,018 INFO L87 Difference]: Start difference. First operand 2046 states and 3327 transitions. Second operand has 20 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 12 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 12 states have call successors, (18) [2024-11-22 22:09:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:36,426 INFO L93 Difference]: Finished difference Result 3466 states and 5942 transitions. [2024-11-22 22:09:36,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:09:36,427 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 12 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 12 states have call successors, (18) Word has length 237 [2024-11-22 22:09:36,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:36,435 INFO L225 Difference]: With dead ends: 3466 [2024-11-22 22:09:36,435 INFO L226 Difference]: Without dead ends: 2012 [2024-11-22 22:09:36,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 460 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:09:36,441 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 76 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:36,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 444 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:09:36,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2024-11-22 22:09:36,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1965. [2024-11-22 22:09:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1604 states have (on average 1.1521197007481296) internal successors, (1848), 1589 states have internal predecessors, (1848), 268 states have call successors, (268), 39 states have call predecessors, (268), 88 states have return successors, (1083), 336 states have call predecessors, (1083), 268 states have call successors, (1083) [2024-11-22 22:09:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3199 transitions. [2024-11-22 22:09:36,530 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3199 transitions. Word has length 237 [2024-11-22 22:09:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:36,531 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 3199 transitions. [2024-11-22 22:09:36,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 12 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 12 states have call successors, (18) [2024-11-22 22:09:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3199 transitions. [2024-11-22 22:09:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-22 22:09:36,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:36,533 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:36,539 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 22:09:36,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:36,736 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:36,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash -429023874, now seen corresponding path program 4 times [2024-11-22 22:09:36,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372903116] [2024-11-22 22:09:36,737 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:09:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:36,764 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:09:36,764 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-22 22:09:37,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:37,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372903116] [2024-11-22 22:09:37,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372903116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:37,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792812582] [2024-11-22 22:09:37,680 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:09:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:37,682 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 22:09:37,683 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 22:09:37,794 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:09:37,794 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:37,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-22 22:09:37,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-22 22:09:37,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-22 22:09:39,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792812582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:39,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:39,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-22 22:09:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939223635] [2024-11-22 22:09:39,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:39,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-22 22:09:39,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:39,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-22 22:09:39,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-22 22:09:39,409 INFO L87 Difference]: Start difference. First operand 1965 states and 3199 transitions. Second operand has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-22 22:09:39,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:39,731 INFO L93 Difference]: Finished difference Result 3118 states and 5575 transitions. [2024-11-22 22:09:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-22 22:09:39,732 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 235 [2024-11-22 22:09:39,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:39,742 INFO L225 Difference]: With dead ends: 3118 [2024-11-22 22:09:39,742 INFO L226 Difference]: Without dead ends: 3117 [2024-11-22 22:09:39,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-22 22:09:39,745 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:39,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:09:39,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2024-11-22 22:09:39,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 3117. [2024-11-22 22:09:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 2564 states have (on average 1.1700468018720749) internal successors, (3000), 2549 states have internal predecessors, (3000), 460 states have call successors, (460), 39 states have call predecessors, (460), 88 states have return successors, (1923), 528 states have call predecessors, (1923), 460 states have call successors, (1923) [2024-11-22 22:09:39,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 5383 transitions. [2024-11-22 22:09:39,873 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 5383 transitions. Word has length 235 [2024-11-22 22:09:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:39,874 INFO L471 AbstractCegarLoop]: Abstraction has 3117 states and 5383 transitions. [2024-11-22 22:09:39,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-22 22:09:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 5383 transitions. [2024-11-22 22:09:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-22 22:09:39,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:39,876 INFO L215 NwaCegarLoop]: trace histogram [25, 23, 18, 10, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:39,884 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 22:09:40,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:40,081 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:40,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:40,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1108241503, now seen corresponding path program 2 times [2024-11-22 22:09:40,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:40,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601590679] [2024-11-22 22:09:40,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:40,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:40,096 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:40,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1673 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2024-11-22 22:09:40,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:40,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601590679] [2024-11-22 22:09:40,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601590679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:09:40,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:09:40,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:09:40,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215877559] [2024-11-22 22:09:40,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:09:40,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:09:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:40,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:09:40,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:09:40,144 INFO L87 Difference]: Start difference. First operand 3117 states and 5383 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:09:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:40,292 INFO L93 Difference]: Finished difference Result 3126 states and 5393 transitions. [2024-11-22 22:09:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:09:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 258 [2024-11-22 22:09:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:40,306 INFO L225 Difference]: With dead ends: 3126 [2024-11-22 22:09:40,306 INFO L226 Difference]: Without dead ends: 3125 [2024-11-22 22:09:40,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:09:40,309 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:40,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 157 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2024-11-22 22:09:40,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 3058. [2024-11-22 22:09:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3058 states, 2513 states have (on average 1.1691205730202945) internal successors, (2938), 2507 states have internal predecessors, (2938), 453 states have call successors, (453), 39 states have call predecessors, (453), 87 states have return successors, (1912), 511 states have call predecessors, (1912), 453 states have call successors, (1912) [2024-11-22 22:09:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 3058 states and 5303 transitions. [2024-11-22 22:09:40,489 INFO L78 Accepts]: Start accepts. Automaton has 3058 states and 5303 transitions. Word has length 258 [2024-11-22 22:09:40,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:40,489 INFO L471 AbstractCegarLoop]: Abstraction has 3058 states and 5303 transitions. [2024-11-22 22:09:40,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:09:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 5303 transitions. [2024-11-22 22:09:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-22 22:09:40,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:40,492 INFO L215 NwaCegarLoop]: trace histogram [28, 26, 19, 11, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:40,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-22 22:09:40,492 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:40,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:40,492 INFO L85 PathProgramCache]: Analyzing trace with hash 612798400, now seen corresponding path program 3 times [2024-11-22 22:09:40,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:40,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348953276] [2024-11-22 22:09:40,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:40,518 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-22 22:09:40,518 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2107 backedges. 291 proven. 13 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-22 22:09:40,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:40,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348953276] [2024-11-22 22:09:40,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348953276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:40,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137660995] [2024-11-22 22:09:40,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:40,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:40,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:40,602 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 22:09:40,603 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 22:09:40,689 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-22 22:09:40,689 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:40,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:09:40,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2107 backedges. 290 proven. 14 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-22 22:09:40,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2107 backedges. 290 proven. 14 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-22 22:09:40,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137660995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:40,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:40,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-22 22:09:40,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059439205] [2024-11-22 22:09:40,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:40,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:09:40,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:40,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:09:40,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:09:40,984 INFO L87 Difference]: Start difference. First operand 3058 states and 5303 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:09:41,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:41,255 INFO L93 Difference]: Finished difference Result 5504 states and 11245 transitions. [2024-11-22 22:09:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:09:41,255 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 288 [2024-11-22 22:09:41,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:41,270 INFO L225 Difference]: With dead ends: 5504 [2024-11-22 22:09:41,271 INFO L226 Difference]: Without dead ends: 3120 [2024-11-22 22:09:41,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 570 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:41,283 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 89 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:41,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 212 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:41,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2024-11-22 22:09:41,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 3083. [2024-11-22 22:09:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2535 states have (on average 1.1715976331360947) internal successors, (2970), 2526 states have internal predecessors, (2970), 455 states have call successors, (455), 39 states have call predecessors, (455), 88 states have return successors, (2044), 517 states have call predecessors, (2044), 455 states have call successors, (2044) [2024-11-22 22:09:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 5469 transitions. [2024-11-22 22:09:41,442 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 5469 transitions. Word has length 288 [2024-11-22 22:09:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:41,443 INFO L471 AbstractCegarLoop]: Abstraction has 3083 states and 5469 transitions. [2024-11-22 22:09:41,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:09:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 5469 transitions. [2024-11-22 22:09:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-22 22:09:41,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:41,445 INFO L215 NwaCegarLoop]: trace histogram [30, 27, 22, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:41,451 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 22:09:41,646 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,SelfDestructingSolverStorable38 [2024-11-22 22:09:41,646 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:41,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:41,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1157533019, now seen corresponding path program 2 times [2024-11-22 22:09:41,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:41,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084113366] [2024-11-22 22:09:41,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:41,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:41,671 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:41,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 230 proven. 287 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2024-11-22 22:09:41,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:41,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084113366] [2024-11-22 22:09:41,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084113366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:41,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664790069] [2024-11-22 22:09:41,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:41,941 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 22:09:41,942 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 22:09:42,041 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:42,042 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:42,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:09:42,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 1199 proven. 160 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-11-22 22:09:42,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 230 proven. 287 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2024-11-22 22:09:42,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664790069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:42,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:42,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 23 [2024-11-22 22:09:42,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591644703] [2024-11-22 22:09:42,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:42,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 22:09:42,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:42,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 22:09:42,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:09:42,439 INFO L87 Difference]: Start difference. First operand 3083 states and 5469 transitions. Second operand has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 20 states have internal predecessors, (99), 12 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:09:42,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:42,959 INFO L93 Difference]: Finished difference Result 5362 states and 10612 transitions. [2024-11-22 22:09:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 22:09:42,960 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 20 states have internal predecessors, (99), 12 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 305 [2024-11-22 22:09:42,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:42,973 INFO L225 Difference]: With dead ends: 5362 [2024-11-22 22:09:42,974 INFO L226 Difference]: Without dead ends: 2973 [2024-11-22 22:09:42,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 592 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=224, Invalid=1336, Unknown=0, NotChecked=0, Total=1560 [2024-11-22 22:09:42,988 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 73 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:42,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 506 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:09:42,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2973 states. [2024-11-22 22:09:43,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2973 to 2937. [2024-11-22 22:09:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2419 states have (on average 1.1686647374948327) internal successors, (2827), 2413 states have internal predecessors, (2827), 434 states have call successors, (434), 42 states have call predecessors, (434), 79 states have return successors, (1876), 481 states have call predecessors, (1876), 433 states have call successors, (1876) [2024-11-22 22:09:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5137 transitions. [2024-11-22 22:09:43,178 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5137 transitions. Word has length 305 [2024-11-22 22:09:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:43,179 INFO L471 AbstractCegarLoop]: Abstraction has 2937 states and 5137 transitions. [2024-11-22 22:09:43,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 20 states have internal predecessors, (99), 12 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:09:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5137 transitions. [2024-11-22 22:09:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-22 22:09:43,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:43,181 INFO L215 NwaCegarLoop]: trace histogram [36, 33, 26, 16, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:43,190 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 22:09:43,385 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,SelfDestructingSolverStorable39 [2024-11-22 22:09:43,386 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:43,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:43,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1267976587, now seen corresponding path program 3 times [2024-11-22 22:09:43,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:43,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190842780] [2024-11-22 22:09:43,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:43,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:43,411 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-22 22:09:43,411 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 430 proven. 10 refuted. 0 times theorem prover too weak. 3036 trivial. 0 not checked. [2024-11-22 22:09:43,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:43,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190842780] [2024-11-22 22:09:43,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190842780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:43,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548962425] [2024-11-22 22:09:43,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:09:43,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:43,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:43,561 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 22:09:43,562 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 22:09:43,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-22 22:09:43,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:43,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:09:43,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 430 proven. 10 refuted. 0 times theorem prover too weak. 3036 trivial. 0 not checked. [2024-11-22 22:09:43,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 430 proven. 10 refuted. 0 times theorem prover too weak. 3036 trivial. 0 not checked. [2024-11-22 22:09:44,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548962425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:44,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:44,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-11-22 22:09:44,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591745574] [2024-11-22 22:09:44,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:44,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:09:44,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:44,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:09:44,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:09:44,040 INFO L87 Difference]: Start difference. First operand 2937 states and 5137 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (10), 7 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:09:44,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:44,178 INFO L93 Difference]: Finished difference Result 2995 states and 5400 transitions. [2024-11-22 22:09:44,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:09:44,178 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (10), 7 states have call predecessors, (10), 4 states have call successors, (10) Word has length 360 [2024-11-22 22:09:44,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:44,191 INFO L225 Difference]: With dead ends: 2995 [2024-11-22 22:09:44,192 INFO L226 Difference]: Without dead ends: 2994 [2024-11-22 22:09:44,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 711 SyntacticMatches, 9 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:44,196 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 12 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:44,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 187 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2024-11-22 22:09:44,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2946. [2024-11-22 22:09:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2427 states have (on average 1.165224557066337) internal successors, (2828), 2419 states have internal predecessors, (2828), 434 states have call successors, (434), 42 states have call predecessors, (434), 80 states have return successors, (1884), 484 states have call predecessors, (1884), 433 states have call successors, (1884) [2024-11-22 22:09:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 5146 transitions. [2024-11-22 22:09:44,488 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 5146 transitions. Word has length 360 [2024-11-22 22:09:44,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:44,488 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 5146 transitions. [2024-11-22 22:09:44,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (10), 7 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:09:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 5146 transitions. [2024-11-22 22:09:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-22 22:09:44,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:44,492 INFO L215 NwaCegarLoop]: trace histogram [33, 29, 23, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:44,502 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 22:09:44,695 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,SelfDestructingSolverStorable40 [2024-11-22 22:09:44,696 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:44,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:44,696 INFO L85 PathProgramCache]: Analyzing trace with hash -263688159, now seen corresponding path program 4 times [2024-11-22 22:09:44,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:44,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303363648] [2024-11-22 22:09:44,697 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:09:44,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:44,734 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:09:44,734 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 361 proven. 194 refuted. 0 times theorem prover too weak. 2275 trivial. 0 not checked. [2024-11-22 22:09:44,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:44,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303363648] [2024-11-22 22:09:44,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303363648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:44,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919360652] [2024-11-22 22:09:44,879 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:09:44,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:44,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:44,881 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 22:09:44,885 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 22:09:44,982 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:09:44,982 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:44,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:09:44,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 1476 proven. 6 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2024-11-22 22:09:45,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 361 proven. 194 refuted. 0 times theorem prover too weak. 2275 trivial. 0 not checked. [2024-11-22 22:09:45,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919360652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:45,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:45,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-22 22:09:45,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273111117] [2024-11-22 22:09:45,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:45,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:09:45,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:45,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:09:45,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:09:45,209 INFO L87 Difference]: Start difference. First operand 2946 states and 5146 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:09:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:45,440 INFO L93 Difference]: Finished difference Result 5307 states and 10263 transitions. [2024-11-22 22:09:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:09:45,440 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 329 [2024-11-22 22:09:45,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:45,455 INFO L225 Difference]: With dead ends: 5307 [2024-11-22 22:09:45,455 INFO L226 Difference]: Without dead ends: 3075 [2024-11-22 22:09:45,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 673 GetRequests, 655 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:09:45,465 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 80 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:45,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 195 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:09:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3075 states. [2024-11-22 22:09:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3075 to 3016. [2024-11-22 22:09:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 2485 states have (on average 1.1593561368209255) internal successors, (2881), 2477 states have internal predecessors, (2881), 444 states have call successors, (444), 44 states have call predecessors, (444), 82 states have return successors, (1651), 494 states have call predecessors, (1651), 444 states have call successors, (1651) [2024-11-22 22:09:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 4976 transitions. [2024-11-22 22:09:45,638 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 4976 transitions. Word has length 329 [2024-11-22 22:09:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:45,639 INFO L471 AbstractCegarLoop]: Abstraction has 3016 states and 4976 transitions. [2024-11-22 22:09:45,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:09:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 4976 transitions. [2024-11-22 22:09:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-22 22:09:45,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:45,641 INFO L215 NwaCegarLoop]: trace histogram [35, 31, 25, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:45,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-22 22:09:45,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:45,846 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:45,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:45,846 INFO L85 PathProgramCache]: Analyzing trace with hash -890104022, now seen corresponding path program 5 times [2024-11-22 22:09:45,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:45,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720177372] [2024-11-22 22:09:45,847 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:09:45,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:45,877 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-22 22:09:45,877 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3237 backedges. 704 proven. 339 refuted. 0 times theorem prover too weak. 2194 trivial. 0 not checked. [2024-11-22 22:09:46,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:46,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720177372] [2024-11-22 22:09:46,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720177372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:46,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789489780] [2024-11-22 22:09:46,365 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:09:46,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:46,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:46,368 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 22:09:46,370 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 22:09:46,460 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-22 22:09:46,460 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:46,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 22:09:46,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3237 backedges. 1537 proven. 109 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-11-22 22:09:46,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3237 backedges. 719 proven. 297 refuted. 0 times theorem prover too weak. 2221 trivial. 0 not checked. [2024-11-22 22:09:47,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789489780] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:47,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:47,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 15] total 29 [2024-11-22 22:09:47,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695811733] [2024-11-22 22:09:47,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:47,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-22 22:09:47,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:47,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-22 22:09:47,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:09:47,152 INFO L87 Difference]: Start difference. First operand 3016 states and 4976 transitions. Second operand has 29 states, 29 states have (on average 4.793103448275862) internal successors, (139), 24 states have internal predecessors, (139), 13 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (22), 11 states have call predecessors, (22), 12 states have call successors, (22) [2024-11-22 22:09:48,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:48,452 INFO L93 Difference]: Finished difference Result 5596 states and 10940 transitions. [2024-11-22 22:09:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-22 22:09:48,452 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.793103448275862) internal successors, (139), 24 states have internal predecessors, (139), 13 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (22), 11 states have call predecessors, (22), 12 states have call successors, (22) Word has length 350 [2024-11-22 22:09:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:48,469 INFO L225 Difference]: With dead ends: 5596 [2024-11-22 22:09:48,469 INFO L226 Difference]: Without dead ends: 3310 [2024-11-22 22:09:48,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 687 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=967, Invalid=4435, Unknown=0, NotChecked=0, Total=5402 [2024-11-22 22:09:48,483 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 569 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:48,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 538 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:09:48,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2024-11-22 22:09:48,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3158. [2024-11-22 22:09:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 2600 states have (on average 1.1565384615384615) internal successors, (3007), 2589 states have internal predecessors, (3007), 458 states have call successors, (458), 62 states have call predecessors, (458), 95 states have return successors, (1548), 506 states have call predecessors, (1548), 458 states have call successors, (1548) [2024-11-22 22:09:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 5013 transitions. [2024-11-22 22:09:48,651 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 5013 transitions. Word has length 350 [2024-11-22 22:09:48,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:48,652 INFO L471 AbstractCegarLoop]: Abstraction has 3158 states and 5013 transitions. [2024-11-22 22:09:48,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.793103448275862) internal successors, (139), 24 states have internal predecessors, (139), 13 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (22), 11 states have call predecessors, (22), 12 states have call successors, (22) [2024-11-22 22:09:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 5013 transitions. [2024-11-22 22:09:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-22 22:09:48,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:48,655 INFO L215 NwaCegarLoop]: trace histogram [37, 35, 26, 14, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:48,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:09:48,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:48,860 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:48,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:48,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1673809879, now seen corresponding path program 2 times [2024-11-22 22:09:48,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:48,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357936354] [2024-11-22 22:09:48,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:48,890 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:48,890 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3932 backedges. 878 proven. 226 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2024-11-22 22:09:49,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:49,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357936354] [2024-11-22 22:09:49,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357936354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:49,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298048690] [2024-11-22 22:09:49,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:09:49,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:49,148 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 22:09:49,150 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 22:09:49,275 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:09:49,275 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:49,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:09:49,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3932 backedges. 2284 proven. 3 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-22 22:09:49,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3932 backedges. 774 proven. 177 refuted. 0 times theorem prover too weak. 2981 trivial. 0 not checked. [2024-11-22 22:09:49,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298048690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:49,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:49,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 21 [2024-11-22 22:09:49,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512391458] [2024-11-22 22:09:49,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:49,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:09:49,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:49,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:09:49,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:09:49,690 INFO L87 Difference]: Start difference. First operand 3158 states and 5013 transitions. Second operand has 21 states, 21 states have (on average 6.857142857142857) internal successors, (144), 21 states have internal predecessors, (144), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (23), 12 states have call predecessors, (23), 12 states have call successors, (23) [2024-11-22 22:09:50,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:50,300 INFO L93 Difference]: Finished difference Result 4393 states and 7467 transitions. [2024-11-22 22:09:50,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 22:09:50,300 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.857142857142857) internal successors, (144), 21 states have internal predecessors, (144), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (23), 12 states have call predecessors, (23), 12 states have call successors, (23) Word has length 392 [2024-11-22 22:09:50,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:50,310 INFO L225 Difference]: With dead ends: 4393 [2024-11-22 22:09:50,311 INFO L226 Difference]: Without dead ends: 2250 [2024-11-22 22:09:50,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 772 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=1573, Unknown=0, NotChecked=0, Total=1806 [2024-11-22 22:09:50,320 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 93 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:50,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 405 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:09:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2024-11-22 22:09:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2229. [2024-11-22 22:09:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 1830 states have (on average 1.146448087431694) internal successors, (2098), 1820 states have internal predecessors, (2098), 314 states have call successors, (314), 51 states have call predecessors, (314), 80 states have return successors, (727), 357 states have call predecessors, (727), 314 states have call successors, (727) [2024-11-22 22:09:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 3139 transitions. [2024-11-22 22:09:50,419 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 3139 transitions. Word has length 392 [2024-11-22 22:09:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:50,419 INFO L471 AbstractCegarLoop]: Abstraction has 2229 states and 3139 transitions. [2024-11-22 22:09:50,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.857142857142857) internal successors, (144), 21 states have internal predecessors, (144), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (23), 12 states have call predecessors, (23), 12 states have call successors, (23) [2024-11-22 22:09:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 3139 transitions. [2024-11-22 22:09:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-11-22 22:09:50,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:09:50,422 INFO L215 NwaCegarLoop]: trace histogram [49, 45, 36, 22, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 14, 14, 13, 9, 9, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:09:50,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-22 22:09:50,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:50,623 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:09:50,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:09:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1674596178, now seen corresponding path program 6 times [2024-11-22 22:09:50,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:09:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859488547] [2024-11-22 22:09:50,624 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:09:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:09:50,663 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-22 22:09:50,663 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6801 backedges. 489 proven. 572 refuted. 0 times theorem prover too weak. 5740 trivial. 0 not checked. [2024-11-22 22:09:50,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:09:50,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859488547] [2024-11-22 22:09:50,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859488547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:09:50,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427810369] [2024-11-22 22:09:50,866 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:09:50,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:09:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:09:50,868 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 22:09:50,869 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 22:09:50,995 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-22 22:09:50,995 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:09:50,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:09:51,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:09:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6801 backedges. 3643 proven. 54 refuted. 0 times theorem prover too weak. 3104 trivial. 0 not checked. [2024-11-22 22:09:51,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:09:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6801 backedges. 690 proven. 637 refuted. 0 times theorem prover too weak. 5474 trivial. 0 not checked. [2024-11-22 22:09:51,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427810369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:09:51,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:09:51,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 17 [2024-11-22 22:09:51,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39688410] [2024-11-22 22:09:51,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:09:51,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:09:51,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:09:51,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:09:51,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:09:51,453 INFO L87 Difference]: Start difference. First operand 2229 states and 3139 transitions. Second operand has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 15 states have internal predecessors, (91), 8 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 6 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-22 22:09:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:09:51,480 INFO L93 Difference]: Finished difference Result 2229 states and 3139 transitions. [2024-11-22 22:09:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:09:51,481 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 15 states have internal predecessors, (91), 8 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 6 states have call predecessors, (15), 7 states have call successors, (15) Word has length 492 [2024-11-22 22:09:51,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:09:51,484 INFO L225 Difference]: With dead ends: 2229 [2024-11-22 22:09:51,484 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:09:51,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 971 SyntacticMatches, 10 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:09:51,491 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:09:51,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:09:51,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:09:51,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:09:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:09:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:09:51,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 492 [2024-11-22 22:09:51,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:09:51,495 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:09:51,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 15 states have internal predecessors, (91), 8 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 6 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-22 22:09:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:09:51,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:09:51,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-22 22:09:51,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-22 22:09:51,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-22 22:09:51,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-22 22:09:51,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-22 22:09:51,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-22 22:09:51,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-22 22:09:51,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-22 22:09:51,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-22 22:09:51,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-22 22:09:51,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-22 22:09:51,699 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,SelfDestructingSolverStorable44 [2024-11-22 22:09:51,702 INFO L407 BasicCegarLoop]: Path program histogram: [6, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:09:51,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:10:04,549 WARN L286 SmtUtils]: Spent 10.88s on a formula simplification. DAG size of input: 122 DAG size of output: 312 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:10:20,642 WARN L286 SmtUtils]: Spent 13.23s on a formula simplification. DAG size of input: 127 DAG size of output: 226 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:10:34,659 WARN L286 SmtUtils]: Spent 13.25s on a formula simplification. DAG size of input: 127 DAG size of output: 226 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:10:44,923 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification. DAG size of input: 129 DAG size of output: 319 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)