./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-bwb/and-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-bwb/and-01-false.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 fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:52:30,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:52:30,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:52:30,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:52:30,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:52:30,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:52:30,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:52:30,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:52:30,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:52:30,150 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:52:30,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:52:30,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:52:30,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:52:30,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:52:30,154 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:52:30,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:52:30,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:52:30,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:52:30,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:52:30,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:52:30,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:52:30,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:52:30,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:52:30,160 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:52:30,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:52:30,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:52:30,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:52:30,161 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:52:30,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:52:30,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:52:30,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:52:30,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:52:30,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:52:30,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:52:30,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:52:30,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:52:30,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:52:30,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:52:30,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:52:30,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:52:30,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:52:30,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac [2024-11-17 03:52:30,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:52:30,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:52:30,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:52:30,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:52:30,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:52:30,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-01-false.c [2024-11-17 03:52:31,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:52:32,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:52:32,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-01-false.c [2024-11-17 03:52:32,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe6038bb/4b418c6731764ee8831e14dd95146c6a/FLAGf4c1280c0 [2024-11-17 03:52:32,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe6038bb/4b418c6731764ee8831e14dd95146c6a [2024-11-17 03:52:32,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:52:32,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:52:32,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:52:32,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:52:32,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:52:32,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae8b086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32, skipping insertion in model container [2024-11-17 03:52:32,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:52:32,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:52:32,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:52:32,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:52:32,367 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:52:32,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32 WrapperNode [2024-11-17 03:52:32,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:52:32,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:52:32,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:52:32,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:52:32,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,397 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-17 03:52:32,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:52:32,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:52:32,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:52:32,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:52:32,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,421 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:52:32,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:52:32,431 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:52:32,431 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:52:32,431 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:52:32,432 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (1/1) ... [2024-11-17 03:52:32,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:52:32,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:32,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:52:32,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:52:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:52:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:52:32,562 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:52:32,563 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:52:32,699 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-17 03:52:32,699 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:52:32,726 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:52:32,726 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:52:32,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:52:32 BoogieIcfgContainer [2024-11-17 03:52:32,727 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:52:32,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:52:32,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:52:32,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:52:32,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:52:32" (1/3) ... [2024-11-17 03:52:32,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5e2ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:52:32, skipping insertion in model container [2024-11-17 03:52:32,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:32" (2/3) ... [2024-11-17 03:52:32,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5e2ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:52:32, skipping insertion in model container [2024-11-17 03:52:32,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:52:32" (3/3) ... [2024-11-17 03:52:32,734 INFO L112 eAbstractionObserver]: Analyzing ICFG and-01-false.c [2024-11-17 03:52:32,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:52:32,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 03:52:32,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:52:32,799 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;@499fed0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:52:32,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 03:52:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 03:52:32,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:32,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:52:32,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:32,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:32,815 INFO L85 PathProgramCache]: Analyzing trace with hash 49591055, now seen corresponding path program 1 times [2024-11-17 03:52:32,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:32,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734424015] [2024-11-17 03:52:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:33,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:33,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734424015] [2024-11-17 03:52:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734424015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:33,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:33,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:33,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091665988] [2024-11-17 03:52:33,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:33,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:52:33,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:52:33,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:52:33,060 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 16 states have internal predecessors, (20), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-17 03:52:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:33,126 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2024-11-17 03:52:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:52:33,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2024-11-17 03:52:33,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:33,136 INFO L225 Difference]: With dead ends: 29 [2024-11-17 03:52:33,136 INFO L226 Difference]: Without dead ends: 18 [2024-11-17 03:52:33,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:52:33,141 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:33,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 30 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:52:33,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-17 03:52:33,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-17 03:52:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-17 03:52:33,165 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 5 [2024-11-17 03:52:33,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:33,166 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-17 03:52:33,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-17 03:52:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-17 03:52:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 03:52:33,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:33,167 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 03:52:33,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:52:33,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:33,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:33,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1537322686, now seen corresponding path program 1 times [2024-11-17 03:52:33,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:33,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220597948] [2024-11-17 03:52:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:33,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:33,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:33,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220597948] [2024-11-17 03:52:33,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220597948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:33,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:33,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:33,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902659280] [2024-11-17 03:52:33,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:33,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:52:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:33,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:52:33,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:52:33,229 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:33,276 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-11-17 03:52:33,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:52:33,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 03:52:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:33,279 INFO L225 Difference]: With dead ends: 16 [2024-11-17 03:52:33,279 INFO L226 Difference]: Without dead ends: 15 [2024-11-17 03:52:33,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:52:33,281 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:33,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:52:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-17 03:52:33,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-17 03:52:33,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-17 03:52:33,286 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 6 [2024-11-17 03:52:33,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:33,286 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-17 03:52:33,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,286 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-17 03:52:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:52:33,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:33,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:33,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:52:33,287 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:33,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:33,289 INFO L85 PathProgramCache]: Analyzing trace with hash -93624349, now seen corresponding path program 1 times [2024-11-17 03:52:33,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:33,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493406098] [2024-11-17 03:52:33,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:33,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:33,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:33,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493406098] [2024-11-17 03:52:33,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493406098] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:33,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088748249] [2024-11-17 03:52:33,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:33,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:33,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:52:33,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:52:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:33,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:52:33,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:33,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:33,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088748249] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:33,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:33,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-17 03:52:33,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275373237] [2024-11-17 03:52:33,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:33,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:52:33,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:33,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:52:33,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:52:33,582 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:33,676 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2024-11-17 03:52:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:52:33,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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 12 [2024-11-17 03:52:33,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:33,679 INFO L225 Difference]: With dead ends: 43 [2024-11-17 03:52:33,679 INFO L226 Difference]: Without dead ends: 42 [2024-11-17 03:52:33,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:52:33,680 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 22 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:33,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 22 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-17 03:52:33,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-17 03:52:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-11-17 03:52:33,693 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 12 [2024-11-17 03:52:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:33,694 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-11-17 03:52:33,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-17 03:52:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 03:52:33,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:33,696 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-17 03:52:33,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 03:52:33,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:33,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:33,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1775986191, now seen corresponding path program 2 times [2024-11-17 03:52:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:33,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550999685] [2024-11-17 03:52:33,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:34,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:34,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550999685] [2024-11-17 03:52:34,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550999685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:34,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972267186] [2024-11-17 03:52:34,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:52:34,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:34,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:52:34,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:52:34,278 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:52:34,278 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:52:34,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 03:52:34,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:34,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:34,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972267186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:34,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:34,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-17 03:52:34,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792592610] [2024-11-17 03:52:34,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:34,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 03:52:34,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:34,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 03:52:34,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 03:52:34,620 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 22 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:34,783 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2024-11-17 03:52:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 03:52:34,783 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 22 states have internal predecessors, (65), 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 33 [2024-11-17 03:52:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:34,785 INFO L225 Difference]: With dead ends: 97 [2024-11-17 03:52:34,785 INFO L226 Difference]: Without dead ends: 96 [2024-11-17 03:52:34,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 03:52:34,786 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 82 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:34,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 37 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:34,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-17 03:52:34,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-17 03:52:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 95 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 116 transitions. [2024-11-17 03:52:34,799 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 116 transitions. Word has length 33 [2024-11-17 03:52:34,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:34,799 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 116 transitions. [2024-11-17 03:52:34,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2024-11-17 03:52:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 03:52:34,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:34,801 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-17 03:52:34,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:52:35,002 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,SelfDestructingSolverStorable3 [2024-11-17 03:52:35,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:35,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:35,003 INFO L85 PathProgramCache]: Analyzing trace with hash 465814159, now seen corresponding path program 3 times [2024-11-17 03:52:35,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:35,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505138012] [2024-11-17 03:52:35,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:35,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:35,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505138012] [2024-11-17 03:52:35,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505138012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:35,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876655562] [2024-11-17 03:52:35,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:52:35,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:35,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:35,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:52:35,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:52:35,670 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:52:35,670 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:52:35,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 03:52:35,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:35,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:36,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876655562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:36,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:36,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-17 03:52:36,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955924894] [2024-11-17 03:52:36,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:36,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-17 03:52:36,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:36,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-17 03:52:36,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 03:52:36,494 INFO L87 Difference]: Start difference. First operand 96 states and 116 transitions. Second operand has 46 states, 45 states have (on average 3.311111111111111) internal successors, (149), 46 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:36,787 INFO L93 Difference]: Finished difference Result 205 states and 260 transitions. [2024-11-17 03:52:36,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-17 03:52:36,788 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.311111111111111) internal successors, (149), 46 states have internal predecessors, (149), 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 75 [2024-11-17 03:52:36,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:36,789 INFO L225 Difference]: With dead ends: 205 [2024-11-17 03:52:36,789 INFO L226 Difference]: Without dead ends: 204 [2024-11-17 03:52:36,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 03:52:36,791 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 218 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:36,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 66 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-17 03:52:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-17 03:52:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.2216748768472907) internal successors, (248), 203 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 248 transitions. [2024-11-17 03:52:36,811 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 248 transitions. Word has length 75 [2024-11-17 03:52:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:36,812 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 248 transitions. [2024-11-17 03:52:36,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.311111111111111) internal successors, (149), 46 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 248 transitions. [2024-11-17 03:52:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 03:52:36,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:36,817 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-17 03:52:36,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:52:37,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:37,021 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:37,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1806277519, now seen corresponding path program 4 times [2024-11-17 03:52:37,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:37,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340192968] [2024-11-17 03:52:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:37,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:38,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:38,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340192968] [2024-11-17 03:52:38,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340192968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:38,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185034868] [2024-11-17 03:52:38,607 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:52:38,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:38,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:38,610 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:52:38,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:52:38,710 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:52:38,710 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:52:38,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-17 03:52:38,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:38,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:40,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185034868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:40,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:40,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-17 03:52:40,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970893184] [2024-11-17 03:52:40,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:40,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-17 03:52:40,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-17 03:52:40,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-17 03:52:40,971 INFO L87 Difference]: Start difference. First operand 204 states and 248 transitions. Second operand has 94 states, 93 states have (on average 3.4086021505376345) internal successors, (317), 94 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:41,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:41,540 INFO L93 Difference]: Finished difference Result 421 states and 536 transitions. [2024-11-17 03:52:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-17 03:52:41,541 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.4086021505376345) internal successors, (317), 94 states have internal predecessors, (317), 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 159 [2024-11-17 03:52:41,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:41,543 INFO L225 Difference]: With dead ends: 421 [2024-11-17 03:52:41,544 INFO L226 Difference]: Without dead ends: 420 [2024-11-17 03:52:41,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-17 03:52:41,547 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 578 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:41,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 112 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 03:52:41,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-17 03:52:41,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-17 03:52:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 1.2219570405727924) internal successors, (512), 419 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 512 transitions. [2024-11-17 03:52:41,592 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 512 transitions. Word has length 159 [2024-11-17 03:52:41,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:41,593 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 512 transitions. [2024-11-17 03:52:41,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.4086021505376345) internal successors, (317), 94 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 512 transitions. [2024-11-17 03:52:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-17 03:52:41,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:41,599 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-17 03:52:41,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:52:41,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:41,804 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:41,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:41,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2091502991, now seen corresponding path program 5 times [2024-11-17 03:52:41,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68677259] [2024-11-17 03:52:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:46,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68677259] [2024-11-17 03:52:46,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68677259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:46,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54526246] [2024-11-17 03:52:46,201 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 03:52:46,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:46,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:46,202 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:52:46,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:52:46,384 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-17 03:52:46,384 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:52:46,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-17 03:52:46,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:46,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54526246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:53,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:53,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-17 03:52:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402098236] [2024-11-17 03:52:53,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:53,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-17 03:52:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:53,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-17 03:52:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-17 03:52:53,189 INFO L87 Difference]: Start difference. First operand 420 states and 512 transitions. Second operand has 190 states, 189 states have (on average 3.455026455026455) internal successors, (653), 190 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:55,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:55,080 INFO L93 Difference]: Finished difference Result 1607 states and 2011 transitions. [2024-11-17 03:52:55,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-17 03:52:55,081 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.455026455026455) internal successors, (653), 190 states have internal predecessors, (653), 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 327 [2024-11-17 03:52:55,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:55,087 INFO L225 Difference]: With dead ends: 1607 [2024-11-17 03:52:55,087 INFO L226 Difference]: Without dead ends: 1606 [2024-11-17 03:52:55,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 747 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-17 03:52:55,092 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1576 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:55,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 216 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 03:52:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2024-11-17 03:52:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 850. [2024-11-17 03:52:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 849 states have (on average 1.221436984687868) internal successors, (1037), 849 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1037 transitions. [2024-11-17 03:52:55,125 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1037 transitions. Word has length 327 [2024-11-17 03:52:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:55,126 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1037 transitions. [2024-11-17 03:52:55,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.455026455026455) internal successors, (653), 190 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1037 transitions. [2024-11-17 03:52:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2024-11-17 03:52:55,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:55,141 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 1, 1, 1] [2024-11-17 03:52:55,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 03:52:55,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:55,342 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:52:55,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1703136881, now seen corresponding path program 6 times [2024-11-17 03:52:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:55,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497864427] [2024-11-17 03:52:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:53:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:53:12,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:53:12,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497864427] [2024-11-17 03:53:12,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497864427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:53:12,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213179998] [2024-11-17 03:53:12,455 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 03:53:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:53:12,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:53:12,456 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:53:12,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:53:12,915 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-17 03:53:12,915 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:53:12,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-17 03:53:12,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:53:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:53:13,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:53:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:53:38,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213179998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:53:38,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:53:38,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2024-11-17 03:53:38,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108072599] [2024-11-17 03:53:38,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:53:38,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2024-11-17 03:53:38,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:53:38,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2024-11-17 03:53:38,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-17 03:53:38,374 INFO L87 Difference]: Start difference. First operand 850 states and 1037 transitions. Second operand has 382 states, 381 states have (on average 3.477690288713911) internal successors, (1325), 382 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:53:53,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:53:53,417 INFO L93 Difference]: Finished difference Result 1715 states and 2189 transitions. [2024-11-17 03:53:53,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-11-17 03:53:53,419 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 3.477690288713911) internal successors, (1325), 382 states have internal predecessors, (1325), 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 663 [2024-11-17 03:53:53,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:53:53,425 INFO L225 Difference]: With dead ends: 1715 [2024-11-17 03:53:53,425 INFO L226 Difference]: Without dead ends: 1714 [2024-11-17 03:53:53,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1515 GetRequests, 1135 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44557 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-17 03:53:53,433 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3192 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 03:53:53,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3192 Valid, 426 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 03:53:53,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-11-17 03:53:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1714. [2024-11-17 03:53:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.2218330414477525) internal successors, (2093), 1713 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:53:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2093 transitions. [2024-11-17 03:53:53,469 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2093 transitions. Word has length 663 [2024-11-17 03:53:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:53:53,470 INFO L471 AbstractCegarLoop]: Abstraction has 1714 states and 2093 transitions. [2024-11-17 03:53:53,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 3.477690288713911) internal successors, (1325), 382 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:53:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2093 transitions. [2024-11-17 03:53:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1336 [2024-11-17 03:53:53,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:53:53,517 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 190, 190, 1, 1, 1] [2024-11-17 03:53:53,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:53:53,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:53:53,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 03:53:53,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:53:53,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2104031631, now seen corresponding path program 7 times [2024-11-17 03:53:53,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:53:53,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110967136] [2024-11-17 03:53:53,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:53:53,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:53:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat