./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.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 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:13:25,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:13:25,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 20:13:25,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:13:25,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:13:25,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:13:25,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:13:25,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:13:25,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:13:25,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:13:25,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:13:25,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:13:25,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:13:25,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:13:25,628 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:13:25,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:13:25,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:13:25,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:13:25,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:13:25,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:13:25,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:13:25,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:13:25,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:13:25,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:13:25,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:13:25,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:13:25,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:13:25,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:13:25,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:13:25,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:13:25,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:13:25,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:13:25,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:13:25,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:13:25,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:13:25,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:13:25,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:13:25,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:13:25,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:13:25,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:13:25,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:13:25,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 [2024-10-14 20:13:25,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:13:25,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:13:25,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:13:25,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:13:25,849 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:13:25,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2024-10-14 20:13:27,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:13:27,207 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:13:27,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2024-10-14 20:13:27,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4609d0f6e/49036e00e20043a9b4c545aae774fbf9/FLAGec3cde956 [2024-10-14 20:13:27,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4609d0f6e/49036e00e20043a9b4c545aae774fbf9 [2024-10-14 20:13:27,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:13:27,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:13:27,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:13:27,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:13:27,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:13:27,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f37e6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27, skipping insertion in model container [2024-10-14 20:13:27,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:13:27,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:13:27,367 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:13:27,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:13:27,386 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:13:27,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27 WrapperNode [2024-10-14 20:13:27,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:13:27,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:13:27,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:13:27,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:13:27,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,409 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-14 20:13:27,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:13:27,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:13:27,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:13:27,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:13:27,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,423 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 20:13:27,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:13:27,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:13:27,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:13:27,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:13:27,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (1/1) ... [2024-10-14 20:13:27,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:13:27,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:27,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:13:27,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:13:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:13:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:13:27,561 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:13:27,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:13:27,633 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-14 20:13:27,633 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:13:27,654 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:13:27,655 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:13:27,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:13:27 BoogieIcfgContainer [2024-10-14 20:13:27,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:13:27,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:13:27,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:13:27,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:13:27,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:13:27" (1/3) ... [2024-10-14 20:13:27,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640a572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:13:27, skipping insertion in model container [2024-10-14 20:13:27,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:13:27" (2/3) ... [2024-10-14 20:13:27,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640a572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:13:27, skipping insertion in model container [2024-10-14 20:13:27,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:13:27" (3/3) ... [2024-10-14 20:13:27,665 INFO L112 eAbstractionObserver]: Analyzing ICFG GopanReps-CAV2006-Fig1a.c [2024-10-14 20:13:27,680 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:13:27,680 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 20:13:27,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:13:27,737 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;@2e903251, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:13:27,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 20:13:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 10 states have (on average 1.9) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:13:27,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:27,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:13:27,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:27,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:27,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2066791, now seen corresponding path program 1 times [2024-10-14 20:13:27,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:27,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830755489] [2024-10-14 20:13:27,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:27,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:27,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:27,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830755489] [2024-10-14 20:13:27,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830755489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:13:27,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:13:27,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:13:27,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934188142] [2024-10-14 20:13:27,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:13:27,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:13:27,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:27,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:13:27,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:27,913 INFO L87 Difference]: Start difference. First operand has 17 states, 10 states have (on average 1.9) internal successors, (19), 16 states have internal predecessors, (19), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:27,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:27,952 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2024-10-14 20:13:27,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:13:27,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2024-10-14 20:13:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:27,959 INFO L225 Difference]: With dead ends: 42 [2024-10-14 20:13:27,959 INFO L226 Difference]: Without dead ends: 23 [2024-10-14 20:13:27,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:27,964 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 22 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 [2024-10-14 20:13:27,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 22 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:27,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-14 20:13:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-14 20:13:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-10-14 20:13:27,990 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 4 [2024-10-14 20:13:27,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:27,990 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-14 20:13:27,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-10-14 20:13:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:13:27,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:27,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:13:27,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:13:27,992 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:27,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:27,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2066599, now seen corresponding path program 1 times [2024-10-14 20:13:27,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:27,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077490607] [2024-10-14 20:13:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:27,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:28,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077490607] [2024-10-14 20:13:28,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077490607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:13:28,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:13:28,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:13:28,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550716481] [2024-10-14 20:13:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:13:28,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:13:28,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:28,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:13:28,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:28,020 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:28,044 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-10-14 20:13:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:13:28,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2024-10-14 20:13:28,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:28,045 INFO L225 Difference]: With dead ends: 26 [2024-10-14 20:13:28,045 INFO L226 Difference]: Without dead ends: 24 [2024-10-14 20:13:28,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:28,047 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 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 [2024-10-14 20:13:28,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:28,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-14 20:13:28,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2024-10-14 20:13:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-14 20:13:28,050 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 4 [2024-10-14 20:13:28,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:28,050 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-14 20:13:28,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-14 20:13:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:13:28,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:28,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:13:28,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:13:28,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:28,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash 64064617, now seen corresponding path program 1 times [2024-10-14 20:13:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891123723] [2024-10-14 20:13:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:28,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891123723] [2024-10-14 20:13:28,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891123723] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:13:28,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:13:28,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:13:28,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979481570] [2024-10-14 20:13:28,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:13:28,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:13:28,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:28,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:13:28,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:28,077 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:28,097 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-10-14 20:13:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:13:28,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 20:13:28,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:28,098 INFO L225 Difference]: With dead ends: 20 [2024-10-14 20:13:28,098 INFO L226 Difference]: Without dead ends: 19 [2024-10-14 20:13:28,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:28,099 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 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 [2024-10-14 20:13:28,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:28,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-14 20:13:28,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-14 20:13:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-14 20:13:28,102 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 5 [2024-10-14 20:13:28,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:28,102 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-14 20:13:28,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-10-14 20:13:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:13:28,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:28,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:13:28,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:13:28,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:28,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1986003184, now seen corresponding path program 1 times [2024-10-14 20:13:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:28,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095716993] [2024-10-14 20:13:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:28,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:28,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095716993] [2024-10-14 20:13:28,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095716993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:13:28,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:13:28,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:13:28,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116525722] [2024-10-14 20:13:28,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:13:28,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:13:28,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:28,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:13:28,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:28,129 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:28,137 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-14 20:13:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:13:28,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 20:13:28,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:28,138 INFO L225 Difference]: With dead ends: 19 [2024-10-14 20:13:28,138 INFO L226 Difference]: Without dead ends: 18 [2024-10-14 20:13:28,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:13:28,139 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:28,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 7 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-14 20:13:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-14 20:13:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-10-14 20:13:28,142 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2024-10-14 20:13:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:28,143 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-10-14 20:13:28,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-10-14 20:13:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 20:13:28,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:28,143 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:13:28,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:13:28,144 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:28,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:28,144 INFO L85 PathProgramCache]: Analyzing trace with hash 578676022, now seen corresponding path program 1 times [2024-10-14 20:13:28,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:28,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795392090] [2024-10-14 20:13:28,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:28,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795392090] [2024-10-14 20:13:28,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795392090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986996994] [2024-10-14 20:13:28,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:28,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:28,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:28,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:28,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:13:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:13:28,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986996994] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:28,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:28,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 7 [2024-10-14 20:13:28,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860821030] [2024-10-14 20:13:28,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:28,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:13:28,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:28,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:13:28,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:13:28,321 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:28,401 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2024-10-14 20:13:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:13:28,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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 11 [2024-10-14 20:13:28,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:28,401 INFO L225 Difference]: With dead ends: 34 [2024-10-14 20:13:28,402 INFO L226 Difference]: Without dead ends: 23 [2024-10-14 20:13:28,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:13:28,403 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:28,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 7 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:28,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-14 20:13:28,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-10-14 20:13:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-10-14 20:13:28,406 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2024-10-14 20:13:28,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:28,407 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-10-14 20:13:28,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-10-14 20:13:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 20:13:28,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:28,407 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1] [2024-10-14 20:13:28,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 20:13:28,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:28,608 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:28,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:28,609 INFO L85 PathProgramCache]: Analyzing trace with hash -358707657, now seen corresponding path program 1 times [2024-10-14 20:13:28,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:28,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592784206] [2024-10-14 20:13:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:28,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:28,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592784206] [2024-10-14 20:13:28,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592784206] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:28,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504499963] [2024-10-14 20:13:28,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:28,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:28,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:28,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:28,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:13:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:28,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:13:28,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:28,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504499963] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:28,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:28,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 20:13:28,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365409155] [2024-10-14 20:13:28,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:28,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:13:28,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:28,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:13:28,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:13:28,784 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:28,838 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2024-10-14 20:13:28,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:13:28,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 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 17 [2024-10-14 20:13:28,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:28,839 INFO L225 Difference]: With dead ends: 78 [2024-10-14 20:13:28,839 INFO L226 Difference]: Without dead ends: 77 [2024-10-14 20:13:28,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:13:28,840 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:28,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-14 20:13:28,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2024-10-14 20:13:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 66 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2024-10-14 20:13:28,847 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 17 [2024-10-14 20:13:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:28,847 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2024-10-14 20:13:28,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2024-10-14 20:13:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 20:13:28,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:28,847 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 20:13:28,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:13:29,051 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,SelfDestructingSolverStorable5 [2024-10-14 20:13:29,051 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:29,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:29,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1114947233, now seen corresponding path program 1 times [2024-10-14 20:13:29,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:29,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392250668] [2024-10-14 20:13:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:29,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:13:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392250668] [2024-10-14 20:13:29,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392250668] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:29,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570953938] [2024-10-14 20:13:29,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:29,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:29,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:29,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:13:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:29,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:13:29,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:29,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:29,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570953938] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:29,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:29,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-10-14 20:13:29,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120189136] [2024-10-14 20:13:29,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:29,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:13:29,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:29,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:13:29,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:13:29,278 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:29,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:29,325 INFO L93 Difference]: Finished difference Result 159 states and 200 transitions. [2024-10-14 20:13:29,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:13:29,326 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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 19 [2024-10-14 20:13:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:29,328 INFO L225 Difference]: With dead ends: 159 [2024-10-14 20:13:29,328 INFO L226 Difference]: Without dead ends: 105 [2024-10-14 20:13:29,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:13:29,329 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 14 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:29,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 33 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-14 20:13:29,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-14 20:13:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 118 transitions. [2024-10-14 20:13:29,338 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 118 transitions. Word has length 19 [2024-10-14 20:13:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:29,339 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 118 transitions. [2024-10-14 20:13:29,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-10-14 20:13:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 20:13:29,340 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:29,340 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1] [2024-10-14 20:13:29,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 20:13:29,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:29,541 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:29,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:29,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1789312301, now seen corresponding path program 2 times [2024-10-14 20:13:29,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:29,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21974829] [2024-10-14 20:13:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:29,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:29,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21974829] [2024-10-14 20:13:29,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21974829] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276667427] [2024-10-14 20:13:29,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:13:29,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:29,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:29,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:29,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:13:29,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:13:29,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:29,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:13:29,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:29,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276667427] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:29,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:29,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-14 20:13:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232874292] [2024-10-14 20:13:29,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:29,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:13:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:29,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:13:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:13:29,877 INFO L87 Difference]: Start difference. First operand 105 states and 118 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:29,984 INFO L93 Difference]: Finished difference Result 562 states and 655 transitions. [2024-10-14 20:13:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:13:29,985 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 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 41 [2024-10-14 20:13:29,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:29,989 INFO L225 Difference]: With dead ends: 562 [2024-10-14 20:13:29,989 INFO L226 Difference]: Without dead ends: 561 [2024-10-14 20:13:29,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:13:29,991 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 59 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:29,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 78 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:13:29,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-10-14 20:13:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 369. [2024-10-14 20:13:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 367 states have (on average 1.1634877384196185) internal successors, (427), 368 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 427 transitions. [2024-10-14 20:13:30,019 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 427 transitions. Word has length 41 [2024-10-14 20:13:30,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:30,020 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 427 transitions. [2024-10-14 20:13:30,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 427 transitions. [2024-10-14 20:13:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 20:13:30,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:30,022 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 5, 5, 5, 4, 4, 4, 1, 1] [2024-10-14 20:13:30,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 20:13:30,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:30,223 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:30,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:30,223 INFO L85 PathProgramCache]: Analyzing trace with hash -419532703, now seen corresponding path program 2 times [2024-10-14 20:13:30,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527203654] [2024-10-14 20:13:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:13:30,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:30,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527203654] [2024-10-14 20:13:30,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527203654] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:30,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50835354] [2024-10-14 20:13:30,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:13:30,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:30,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:30,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:30,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:13:30,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:13:30,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:30,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:13:30,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:13:30,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:13:30,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50835354] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:30,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:30,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-14 20:13:30,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889590040] [2024-10-14 20:13:30,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:30,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:13:30,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:30,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:13:30,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:13:30,443 INFO L87 Difference]: Start difference. First operand 369 states and 427 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:30,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:30,481 INFO L93 Difference]: Finished difference Result 595 states and 690 transitions. [2024-10-14 20:13:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:13:30,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 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 55 [2024-10-14 20:13:30,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:30,483 INFO L225 Difference]: With dead ends: 595 [2024-10-14 20:13:30,483 INFO L226 Difference]: Without dead ends: 247 [2024-10-14 20:13:30,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:13:30,484 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:30,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:13:30,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-14 20:13:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-10-14 20:13:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 245 states have (on average 1.1346938775510205) internal successors, (278), 246 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 278 transitions. [2024-10-14 20:13:30,501 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 278 transitions. Word has length 55 [2024-10-14 20:13:30,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:30,501 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 278 transitions. [2024-10-14 20:13:30,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 278 transitions. [2024-10-14 20:13:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 20:13:30,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:30,505 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1] [2024-10-14 20:13:30,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:13:30,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:30,706 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:30,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:30,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1132236789, now seen corresponding path program 3 times [2024-10-14 20:13:30,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:30,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94428235] [2024-10-14 20:13:30,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:31,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94428235] [2024-10-14 20:13:31,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94428235] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546185114] [2024-10-14 20:13:31,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:13:31,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:31,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:31,006 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:31,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:13:31,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-14 20:13:31,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:31,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:13:31,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:31,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:31,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546185114] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:31,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:31,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2024-10-14 20:13:31,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747632080] [2024-10-14 20:13:31,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:31,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-14 20:13:31,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:31,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-14 20:13:31,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-14 20:13:31,544 INFO L87 Difference]: Start difference. First operand 247 states and 278 transitions. Second operand has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:31,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:31,757 INFO L93 Difference]: Finished difference Result 2228 states and 2599 transitions. [2024-10-14 20:13:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-14 20:13:31,758 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 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 89 [2024-10-14 20:13:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:31,763 INFO L225 Difference]: With dead ends: 2228 [2024-10-14 20:13:31,763 INFO L226 Difference]: Without dead ends: 2227 [2024-10-14 20:13:31,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-14 20:13:31,765 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 159 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:31,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 178 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:13:31,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2024-10-14 20:13:31,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 949. [2024-10-14 20:13:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 947 states have (on average 1.1647307286166844) internal successors, (1103), 948 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1103 transitions. [2024-10-14 20:13:31,796 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1103 transitions. Word has length 89 [2024-10-14 20:13:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:31,796 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1103 transitions. [2024-10-14 20:13:31,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1103 transitions. [2024-10-14 20:13:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 20:13:31,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:31,798 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 10, 10, 10, 5, 5, 5, 1, 1] [2024-10-14 20:13:31,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 20:13:32,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:32,003 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:32,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:32,003 INFO L85 PathProgramCache]: Analyzing trace with hash -947455925, now seen corresponding path program 3 times [2024-10-14 20:13:32,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:32,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424152695] [2024-10-14 20:13:32,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:32,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 188 proven. 290 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:13:32,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:32,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424152695] [2024-10-14 20:13:32,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424152695] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:32,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347917412] [2024-10-14 20:13:32,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:13:32,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:32,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:32,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:32,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:13:32,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-14 20:13:32,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:32,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:13:32,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-14 20:13:32,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-14 20:13:32,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347917412] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:32,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:32,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 27 [2024-10-14 20:13:32,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818657477] [2024-10-14 20:13:32,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:32,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-14 20:13:32,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:32,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-14 20:13:32,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-14 20:13:32,469 INFO L87 Difference]: Start difference. First operand 949 states and 1103 transitions. Second operand has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:32,565 INFO L93 Difference]: Finished difference Result 2483 states and 3009 transitions. [2024-10-14 20:13:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-14 20:13:32,565 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 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 91 [2024-10-14 20:13:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:32,570 INFO L225 Difference]: With dead ends: 2483 [2024-10-14 20:13:32,570 INFO L226 Difference]: Without dead ends: 1591 [2024-10-14 20:13:32,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-14 20:13:32,574 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:32,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 86 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:13:32,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2024-10-14 20:13:32,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2024-10-14 20:13:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1589 states have (on average 1.1604782882315923) internal successors, (1844), 1590 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 1844 transitions. [2024-10-14 20:13:32,611 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 1844 transitions. Word has length 91 [2024-10-14 20:13:32,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:32,612 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 1844 transitions. [2024-10-14 20:13:32,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1844 transitions. [2024-10-14 20:13:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-14 20:13:32,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:32,616 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 25, 14, 14, 14, 12, 12, 12, 1, 1] [2024-10-14 20:13:32,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:13:32,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:32,817 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:32,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:32,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1376963598, now seen corresponding path program 4 times [2024-10-14 20:13:32,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:32,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410010282] [2024-10-14 20:13:32,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-14 20:13:33,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:33,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410010282] [2024-10-14 20:13:33,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410010282] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:33,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356249060] [2024-10-14 20:13:33,036 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 20:13:33,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:33,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:33,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:33,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:13:33,082 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 20:13:33,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:33,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 20:13:33,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-14 20:13:33,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-14 20:13:33,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356249060] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:33,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:33,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2024-10-14 20:13:33,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541499708] [2024-10-14 20:13:33,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:33,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 20:13:33,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:33,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 20:13:33,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:13:33,434 INFO L87 Difference]: Start difference. First operand 1591 states and 1844 transitions. Second operand has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 27 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:33,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:33,520 INFO L93 Difference]: Finished difference Result 2479 states and 2879 transitions. [2024-10-14 20:13:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 20:13:33,520 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 27 states have internal predecessors, (157), 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 157 [2024-10-14 20:13:33,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:33,524 INFO L225 Difference]: With dead ends: 2479 [2024-10-14 20:13:33,525 INFO L226 Difference]: Without dead ends: 957 [2024-10-14 20:13:33,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:13:33,527 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:33,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:13:33,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-10-14 20:13:33,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2024-10-14 20:13:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 955 states have (on average 1.1413612565445026) internal successors, (1090), 956 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1090 transitions. [2024-10-14 20:13:33,547 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1090 transitions. Word has length 157 [2024-10-14 20:13:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:33,547 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 1090 transitions. [2024-10-14 20:13:33,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 27 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1090 transitions. [2024-10-14 20:13:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 20:13:33,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:33,549 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1] [2024-10-14 20:13:33,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:13:33,749 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,SelfDestructingSolverStorable11 [2024-10-14 20:13:33,750 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:33,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:33,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1858413957, now seen corresponding path program 4 times [2024-10-14 20:13:33,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:33,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13653568] [2024-10-14 20:13:33,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:33,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:34,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:34,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13653568] [2024-10-14 20:13:34,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13653568] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:34,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697330241] [2024-10-14 20:13:34,484 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 20:13:34,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:34,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:34,485 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:34,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:13:34,533 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 20:13:34,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:34,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 20:13:34,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:34,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:35,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697330241] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:35,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:35,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 62 [2024-10-14 20:13:35,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640392431] [2024-10-14 20:13:35,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:35,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-10-14 20:13:35,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:35,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-10-14 20:13:35,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-10-14 20:13:35,718 INFO L87 Difference]: Start difference. First operand 957 states and 1090 transitions. Second operand has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 63 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:36,365 INFO L93 Difference]: Finished difference Result 16030 states and 18694 transitions. [2024-10-14 20:13:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-14 20:13:36,365 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 63 states have internal predecessors, (370), 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 185 [2024-10-14 20:13:36,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:36,399 INFO L225 Difference]: With dead ends: 16030 [2024-10-14 20:13:36,399 INFO L226 Difference]: Without dead ends: 16029 [2024-10-14 20:13:36,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-10-14 20:13:36,403 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 323 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:36,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 405 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:13:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16029 states. [2024-10-14 20:13:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16029 to 4491. [2024-10-14 20:13:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4491 states, 4489 states have (on average 1.163733570951214) internal successors, (5224), 4490 states have internal predecessors, (5224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4491 states and 5224 transitions. [2024-10-14 20:13:36,627 INFO L78 Accepts]: Start accepts. Automaton has 4491 states and 5224 transitions. Word has length 185 [2024-10-14 20:13:36,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:36,628 INFO L471 AbstractCegarLoop]: Abstraction has 4491 states and 5224 transitions. [2024-10-14 20:13:36,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 63 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4491 states and 5224 transitions. [2024-10-14 20:13:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-10-14 20:13:36,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:36,631 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 39, 26, 26, 26, 14, 14, 14, 1, 1] [2024-10-14 20:13:36,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:13:36,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 20:13:36,832 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:36,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:36,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1788889520, now seen corresponding path program 5 times [2024-10-14 20:13:36,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:36,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669976029] [2024-10-14 20:13:36,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:36,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-14 20:13:37,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:37,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669976029] [2024-10-14 20:13:37,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669976029] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:37,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659585578] [2024-10-14 20:13:37,400 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 20:13:37,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:37,402 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:37,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:13:37,469 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-10-14 20:13:37,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:37,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-14 20:13:37,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-14 20:13:37,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-10-14 20:13:38,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659585578] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:38,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:38,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 52 [2024-10-14 20:13:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157895109] [2024-10-14 20:13:38,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:38,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-14 20:13:38,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:38,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-14 20:13:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 20:13:38,282 INFO L87 Difference]: Start difference. First operand 4491 states and 5224 transitions. Second operand has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 52 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:38,451 INFO L93 Difference]: Finished difference Result 6853 states and 7984 transitions. [2024-10-14 20:13:38,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-14 20:13:38,451 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 52 states have internal predecessors, (312), 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 241 [2024-10-14 20:13:38,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:38,457 INFO L225 Difference]: With dead ends: 6853 [2024-10-14 20:13:38,457 INFO L226 Difference]: Without dead ends: 2515 [2024-10-14 20:13:38,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 454 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 20:13:38,463 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:38,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 171 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:13:38,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2024-10-14 20:13:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2024-10-14 20:13:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2513 states have (on average 1.1492240350179068) internal successors, (2888), 2514 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 2888 transitions. [2024-10-14 20:13:38,506 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 2888 transitions. Word has length 241 [2024-10-14 20:13:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:38,507 INFO L471 AbstractCegarLoop]: Abstraction has 2515 states and 2888 transitions. [2024-10-14 20:13:38,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 52 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2888 transitions. [2024-10-14 20:13:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-14 20:13:38,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:38,511 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 1, 1] [2024-10-14 20:13:38,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 20:13:38,715 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,SelfDestructingSolverStorable13 [2024-10-14 20:13:38,716 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:38,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1330253989, now seen corresponding path program 5 times [2024-10-14 20:13:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:38,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338094978] [2024-10-14 20:13:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338094978] [2024-10-14 20:13:40,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338094978] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065297317] [2024-10-14 20:13:40,835 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 20:13:40,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:40,836 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:40,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:13:40,952 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-10-14 20:13:40,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:40,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-10-14 20:13:40,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 11242 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-10-14 20:13:42,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:13:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065297317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:13:42,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:13:42,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [63] total 116 [2024-10-14 20:13:42,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215524226] [2024-10-14 20:13:42,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:13:42,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-14 20:13:42,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:42,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-14 20:13:42,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2024-10-14 20:13:42,871 INFO L87 Difference]: Start difference. First operand 2515 states and 2888 transitions. Second operand has 54 states, 54 states have (on average 5.851851851851852) internal successors, (316), 53 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:43,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:43,241 INFO L93 Difference]: Finished difference Result 2642 states and 3042 transitions. [2024-10-14 20:13:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-14 20:13:43,242 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 5.851851851851852) internal successors, (316), 53 states have internal predecessors, (316), 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 377 [2024-10-14 20:13:43,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:43,244 INFO L225 Difference]: With dead ends: 2642 [2024-10-14 20:13:43,244 INFO L226 Difference]: Without dead ends: 430 [2024-10-14 20:13:43,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3224 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2024-10-14 20:13:43,249 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 16 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:43,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 771 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:13:43,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-14 20:13:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 392. [2024-10-14 20:13:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.0025575447570332) internal successors, (392), 391 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 392 transitions. [2024-10-14 20:13:43,257 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 392 transitions. Word has length 377 [2024-10-14 20:13:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:43,257 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 392 transitions. [2024-10-14 20:13:43,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.851851851851852) internal successors, (316), 53 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 392 transitions. [2024-10-14 20:13:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-10-14 20:13:43,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:43,260 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 64, 51, 51, 51, 14, 14, 14, 1, 1] [2024-10-14 20:13:43,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:13:43,461 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,SelfDestructingSolverStorable14 [2024-10-14 20:13:43,462 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:43,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:43,462 INFO L85 PathProgramCache]: Analyzing trace with hash 315213407, now seen corresponding path program 6 times [2024-10-14 20:13:43,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:43,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926208915] [2024-10-14 20:13:43,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 0 proven. 11052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:45,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:45,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926208915] [2024-10-14 20:13:45,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926208915] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:45,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145460824] [2024-10-14 20:13:45,516 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-14 20:13:45,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:45,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:45,518 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:45,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:13:45,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2024-10-14 20:13:45,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:13:45,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:13:45,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2024-10-14 20:13:45,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2024-10-14 20:13:46,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145460824] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:46,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:46,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 16, 16] total 81 [2024-10-14 20:13:46,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38433378] [2024-10-14 20:13:46,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:46,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-10-14 20:13:46,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:46,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-10-14 20:13:46,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2024-10-14 20:13:46,260 INFO L87 Difference]: Start difference. First operand 392 states and 392 transitions. Second operand has 82 states, 81 states have (on average 6.0246913580246915) internal successors, (488), 82 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:46,586 INFO L93 Difference]: Finished difference Result 489 states and 504 transitions. [2024-10-14 20:13:46,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-10-14 20:13:46,587 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 6.0246913580246915) internal successors, (488), 82 states have internal predecessors, (488), 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 391 [2024-10-14 20:13:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:46,588 INFO L225 Difference]: With dead ends: 489 [2024-10-14 20:13:46,588 INFO L226 Difference]: Without dead ends: 488 [2024-10-14 20:13:46,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2024-10-14 20:13:46,590 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:46,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 254 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:13:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-14 20:13:46,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2024-10-14 20:13:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 487 states have (on average 1.002053388090349) internal successors, (488), 487 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 488 transitions. [2024-10-14 20:13:46,598 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 488 transitions. Word has length 391 [2024-10-14 20:13:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:46,599 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 488 transitions. [2024-10-14 20:13:46,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 81 states have (on average 6.0246913580246915) internal successors, (488), 82 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 488 transitions. [2024-10-14 20:13:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-10-14 20:13:46,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:46,603 INFO L215 NwaCegarLoop]: trace histogram [81, 81, 80, 51, 51, 51, 30, 30, 30, 1, 1] [2024-10-14 20:13:46,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:13:46,804 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,SelfDestructingSolverStorable15 [2024-10-14 20:13:46,804 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:46,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:46,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1169916625, now seen corresponding path program 7 times [2024-10-14 20:13:46,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:46,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778696802] [2024-10-14 20:13:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:49,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:13:49,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778696802] [2024-10-14 20:13:49,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778696802] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:13:49,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290119513] [2024-10-14 20:13:49,816 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-14 20:13:49,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:13:49,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:13:49,826 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:13:49,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:13:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:13:49,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-14 20:13:49,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:13:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:50,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:13:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:13:55,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290119513] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:13:55,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:13:55,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 162 [2024-10-14 20:13:55,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327168324] [2024-10-14 20:13:55,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:13:55,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-10-14 20:13:55,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:13:55,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-10-14 20:13:55,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2024-10-14 20:13:55,583 INFO L87 Difference]: Start difference. First operand 488 states and 488 transitions. Second operand has 164 states, 163 states have (on average 5.975460122699387) internal successors, (974), 163 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:57,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:13:57,160 INFO L93 Difference]: Finished difference Result 981 states and 1062 transitions. [2024-10-14 20:13:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-10-14 20:13:57,161 INFO L78 Accepts]: Start accepts. Automaton has has 164 states, 163 states have (on average 5.975460122699387) internal successors, (974), 163 states have internal predecessors, (974), 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 487 [2024-10-14 20:13:57,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:13:57,164 INFO L225 Difference]: With dead ends: 981 [2024-10-14 20:13:57,164 INFO L226 Difference]: Without dead ends: 980 [2024-10-14 20:13:57,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2024-10-14 20:13:57,165 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 519 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:13:57,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 502 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:13:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-10-14 20:13:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2024-10-14 20:13:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 979 states have (on average 1.0010214504596526) internal successors, (980), 979 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 980 transitions. [2024-10-14 20:13:57,183 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 980 transitions. Word has length 487 [2024-10-14 20:13:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:13:57,184 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 980 transitions. [2024-10-14 20:13:57,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 163 states have (on average 5.975460122699387) internal successors, (974), 163 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:13:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 980 transitions. [2024-10-14 20:13:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2024-10-14 20:13:57,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:13:57,189 INFO L215 NwaCegarLoop]: trace histogram [163, 163, 162, 112, 112, 112, 51, 51, 51, 1, 1] [2024-10-14 20:13:57,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:13:57,390 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,SelfDestructingSolverStorable16 [2024-10-14 20:13:57,390 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:13:57,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:13:57,390 INFO L85 PathProgramCache]: Analyzing trace with hash -378071399, now seen corresponding path program 8 times [2024-10-14 20:13:57,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:13:57,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731124173] [2024-10-14 20:13:57,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:13:57,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:13:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:14:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 0 proven. 67794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:14:11,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:14:11,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731124173] [2024-10-14 20:14:11,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731124173] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:14:11,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036054062] [2024-10-14 20:14:11,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:14:11,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:14:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:14:11,402 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:14:11,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:14:11,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:14:11,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:14:11,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-10-14 20:14:11,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:14:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2024-10-14 20:14:14,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:14:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2024-10-14 20:14:20,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036054062] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:14:20,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:14:20,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 54, 54] total 217 [2024-10-14 20:14:20,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806982582] [2024-10-14 20:14:20,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:14:20,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2024-10-14 20:14:20,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:14:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2024-10-14 20:14:20,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15014, Invalid=32292, Unknown=0, NotChecked=0, Total=47306 [2024-10-14 20:14:20,994 INFO L87 Difference]: Start difference. First operand 980 states and 980 transitions. Second operand has 218 states, 218 states have (on average 6.674311926605505) internal successors, (1455), 217 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:14:30,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:14:30,879 INFO L93 Difference]: Finished difference Result 980 states and 980 transitions. [2024-10-14 20:14:30,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2024-10-14 20:14:30,879 INFO L78 Accepts]: Start accepts. Automaton has has 218 states, 218 states have (on average 6.674311926605505) internal successors, (1455), 217 states have internal predecessors, (1455), 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 979 [2024-10-14 20:14:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:14:30,881 INFO L225 Difference]: With dead ends: 980 [2024-10-14 20:14:30,881 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 20:14:30,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2326 GetRequests, 1799 SyntacticMatches, 104 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49965 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=54683, Invalid=125517, Unknown=0, NotChecked=0, Total=180200 [2024-10-14 20:14:30,889 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:14:30,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2511 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:14:30,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 20:14:30,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 20:14:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:14:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 20:14:30,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 979 [2024-10-14 20:14:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:14:30,890 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 20:14:30,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 6.674311926605505) internal successors, (1455), 217 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:14:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 20:14:30,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 20:14:30,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-14 20:14:30,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-14 20:14:30,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-14 20:14:30,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-14 20:14:30,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-14 20:14:30,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-14 20:14:30,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:14:31,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:14:31,101 INFO L407 BasicCegarLoop]: Path program histogram: [8, 5, 1, 1, 1, 1, 1] [2024-10-14 20:14:31,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 20:14:32,471 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:14:32,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:14:32 BoogieIcfgContainer [2024-10-14 20:14:32,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:14:32,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:14:32,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:14:32,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:14:32,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:13:27" (3/4) ... [2024-10-14 20:14:32,511 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 20:14:32,516 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-14 20:14:32,516 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-14 20:14:32,516 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 20:14:32,583 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:14:32,583 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 20:14:32,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:14:32,584 INFO L158 Benchmark]: Toolchain (without parser) took 65359.74ms. Allocated memory was 174.1MB in the beginning and 1.0GB in the end (delta: 849.3MB). Free memory was 144.2MB in the beginning and 536.2MB in the end (delta: -392.0MB). Peak memory consumption was 457.5MB. Max. memory is 16.1GB. [2024-10-14 20:14:32,584 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 119.5MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:14:32,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.99ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 133.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 20:14:32,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.16ms. Allocated memory is still 174.1MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:14:32,584 INFO L158 Benchmark]: Boogie Preprocessor took 22.39ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:14:32,584 INFO L158 Benchmark]: RCFGBuilder took 223.05ms. Allocated memory is still 174.1MB. Free memory was 130.8MB in the beginning and 121.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 20:14:32,585 INFO L158 Benchmark]: TraceAbstraction took 64850.62ms. Allocated memory was 174.1MB in the beginning and 1.0GB in the end (delta: 849.3MB). Free memory was 120.3MB in the beginning and 540.4MB in the end (delta: -420.1MB). Peak memory consumption was 604.3MB. Max. memory is 16.1GB. [2024-10-14 20:14:32,585 INFO L158 Benchmark]: Witness Printer took 73.96ms. Allocated memory is still 1.0GB. Free memory was 540.4MB in the beginning and 536.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 20:14:32,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 119.5MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.99ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 133.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.16ms. Allocated memory is still 174.1MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.39ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 223.05ms. Allocated memory is still 174.1MB. Free memory was 130.8MB in the beginning and 121.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 64850.62ms. Allocated memory was 174.1MB in the beginning and 1.0GB in the end (delta: 849.3MB). Free memory was 120.3MB in the beginning and 540.4MB in the end (delta: -420.1MB). Peak memory consumption was 604.3MB. Max. memory is 16.1GB. * Witness Printer took 73.96ms. Allocated memory is still 1.0GB. Free memory was 540.4MB in the beginning and 536.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 63.4s, OverallIterations: 18, TraceHistogramMax: 163, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1201 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1201 mSDsluCounter, 2726 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2390 mSDsCounter, 242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5356 IncrementalHoareTripleChecker+Invalid, 5598 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 242 mSolverCounterUnsat, 336 mSDtfsCounter, 5356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6586 GetRequests, 5453 SyntacticMatches, 107 SemanticMatches, 1026 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53298 ImplicationChecksByTransitivity, 36.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4491occurred in iteration=13, InterpolantAutomatonStates: 778, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 13063 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 44.5s InterpolantComputationTime, 6299 NumberOfCodeBlocks, 6119 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 9017 ConstructedInterpolants, 0 QuantifiedInterpolants, 22853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4962 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 45 InterpolantComputations, 5 PerfectInterpolantSequences, 153586/338110 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((51 <= x) && (x <= 83)) && (y <= 19)) || (((51 <= x) && (x <= 52)) && (y <= 50))) || ((x == 50) && (y <= 50))) || (((y <= 6) && (x <= 96)) && (51 <= x))) || ((31 == x) && (y <= 31))) || (((x <= 70) && (y <= 32)) && (51 <= x))) || ((y <= 40) && (40 == x))) || (((y <= 44) && (51 <= x)) && (x <= 58))) || ((x == 11) && (y <= 11))) || (((51 <= x) && (y <= 3)) && (x <= 99))) || ((x == 8) && (y <= 8))) || ((x == 36) && (y <= 36))) || ((x == 1) && (y <= 1))) || ((y <= 46) && (46 == x))) || (((y <= 2) && (x <= 100)) && (51 <= x))) || ((y <= 47) && (47 == x))) || (((x <= 60) && (y <= 42)) && (51 <= x))) || ((y <= 12) && (x == 12))) || ((x == 13) && (y <= 13))) || (((y <= 0) && (51 <= x)) && (x <= 102))) || (((x <= 72) && (y <= 30)) && (51 <= x))) || (((x <= 92) && (y <= 10)) && (51 <= x))) || ((2 == x) && (y <= 2))) || ((y <= 29) && (29 == x))) || (((y <= 9) && (51 <= x)) && (x <= 93))) || (((51 <= x) && (x <= 94)) && (y <= 8))) || ((x == 38) && (y <= 38))) || ((16 == x) && (y <= 16))) || (((y <= 37) && (51 <= x)) && (x <= 65))) || (((y <= 45) && (51 <= x)) && (x <= 57))) || (((x <= 66) && (51 <= x)) && (y <= 36))) || (((x <= 75) && (y <= 27)) && (51 <= x))) || ((y <= 7) && (7 == x))) || ((y <= 39) && (x == 39))) || ((y <= 25) && (x == 25))) || ((5 == x) && (y <= 5))) || (((y <= 26) && (x <= 76)) && (51 <= x))) || ((x == 34) && (y <= 34))) || ((y <= 48) && (x == 48))) || (((y <= 14) && (51 <= x)) && (x <= 88))) || (((x <= 77) && (y <= 25)) && (51 <= x))) || (((y <= 24) && (x <= 78)) && (51 <= x))) || ((22 == x) && (y <= 22))) || ((y <= 15) && (x == 15))) || (((y <= 4) && (51 <= x)) && (x <= 98))) || (((x <= 89) && (51 <= x)) && (y <= 13))) || (((y <= 1) && (51 <= x)) && (x <= 101))) || ((y <= 6) && (6 == x))) || (((x <= 71) && (51 <= x)) && (y <= 31))) || ((y <= 28) && (x == 28))) || (((x <= 53) && (y <= 49)) && (51 <= x))) || ((19 == x) && (y <= 19))) || ((y <= 4) && (x == 4))) || ((y <= 24) && (x == 24))) || ((y <= 21) && (21 == x))) || ((3 == x) && (y <= 3))) || (((x <= 84) && (y <= 18)) && (51 <= x))) || (((x <= 82) && (y <= 20)) && (51 <= x))) || (((51 <= x) && (x <= 79)) && (y <= 23))) || (((x <= 68) && (51 <= x)) && (y <= 34))) || ((y <= 45) && (x == 45))) || ((y <= 42) && (42 == x))) || (((x <= 85) && (y <= 17)) && (51 <= x))) || ((y <= 17) && (x == 17))) || (((y <= 47) && (x <= 55)) && (51 <= x))) || ((y == 0) && (x == 0))) || ((y <= 33) && (x == 33))) || ((y <= 20) && (x == 20))) || ((y <= 10) && (x == 10))) || (((y <= 40) && (x <= 62)) && (51 <= x))) || (((y <= 28) && (x <= 74)) && (51 <= x))) || (((x <= 56) && (y <= 46)) && (51 <= x))) || (((x <= 86) && (51 <= x)) && (y <= 16))) || ((y <= 44) && (44 == x))) || (((51 <= x) && (y <= 22)) && (x <= 80))) || (((y <= 21) && (x <= 81)) && (51 <= x))) || ((y <= 27) && (x == 27))) || ((49 == x) && (y <= 49))) || (((y <= 33) && (51 <= x)) && (x <= 69))) || (((y <= 7) && (x <= 95)) && (51 <= x))) || (((y <= 43) && (51 <= x)) && (x <= 59))) || ((y <= 43) && (x == 43))) || ((41 == x) && (y <= 41))) || ((y <= 35) && (35 == x))) || ((32 == x) && (y <= 32))) || ((y <= 14) && (14 == x))) || (((y <= 48) && (x <= 54)) && (51 <= x))) || ((y <= 30) && (30 == x))) || ((23 == x) && (y <= 23))) || ((9 == x) && (y <= 9))) || (((y <= 5) && (51 <= x)) && (x <= 97))) || (((x <= 67) && (y <= 35)) && (51 <= x))) || (((((long) y + 1) <= 0) && (x <= 103)) && (51 <= x))) || ((y <= 37) && (x == 37))) || (((x <= 91) && (y <= 11)) && (51 <= x))) || (((x <= 90) && (y <= 12)) && (51 <= x))) || (((x <= 63) && (y <= 39)) && (51 <= x))) || (((x <= 64) && (y <= 38)) && (51 <= x))) || (((x <= 73) && (y <= 29)) && (51 <= x))) || ((y <= 26) && (x == 26))) || ((y <= 18) && (x == 18))) || ((51 == x) && (y <= 51))) || (((x <= 61) && (51 <= x)) && (y <= 41))) || (((y <= 15) && (x <= 87)) && (51 <= x))) RESULT: Ultimate proved your program to be correct! [2024-10-14 20:14:32,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE