./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/nla-digbench-scaling/ps5-ll_unwindbound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:31:23,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:31:23,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:31:23,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:31:23,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:31:23,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:31:23,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:31:23,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:31:23,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:31:23,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:31:23,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:31:23,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:31:23,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:31:23,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:31:23,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:31:23,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:31:23,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:31:23,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:31:23,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:31:23,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:31:23,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:31:23,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:31:23,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:31:23,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:31:23,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:31:23,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:31:23,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:31:23,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:31:23,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:31:23,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:31:23,858 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:31:23,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:31:23,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:31:23,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:31:23,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:31:23,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:31:23,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:31:23,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:31:23,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:31:23,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:31:23,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:31:23,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:31:23,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:31:23,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:31:23,861 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 [2024-11-10 19:31:24,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:31:24,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:31:24,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:31:24,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:31:24,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:31:24,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c [2024-11-10 19:31:25,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:31:25,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:31:25,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c [2024-11-10 19:31:25,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc7a9bb8/7a8a1078218d4e5d8d0bbd33ca40e205/FLAGd3f6cb1a6 [2024-11-10 19:31:25,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc7a9bb8/7a8a1078218d4e5d8d0bbd33ca40e205 [2024-11-10 19:31:25,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:31:25,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:31:25,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:31:25,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:31:25,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:31:25,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a78dd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25, skipping insertion in model container [2024-11-10 19:31:25,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:31:25,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:31:25,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:31:25,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:31:25,800 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:31:25,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25 WrapperNode [2024-11-10 19:31:25,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:31:25,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:31:25,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:31:25,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:31:25,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,842 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-11-10 19:31:25,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:31:25,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:31:25,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:31:25,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:31:25,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,908 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:31:25,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,911 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:31:25,925 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:31:25,925 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:31:25,925 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:31:25,926 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (1/1) ... [2024-11-10 19:31:25,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:31:25,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:25,975 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) [2024-11-10 19:31:25,978 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 [2024-11-10 19:31:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:31:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:31:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:31:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:31:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:31:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:31:26,077 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:31:26,079 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:31:26,427 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-10 19:31:26,427 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:31:26,444 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:31:26,444 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:31:26,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:31:26 BoogieIcfgContainer [2024-11-10 19:31:26,444 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:31:26,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:31:26,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:31:26,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:31:26,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:31:25" (1/3) ... [2024-11-10 19:31:26,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8d4f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:31:26, skipping insertion in model container [2024-11-10 19:31:26,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:31:25" (2/3) ... [2024-11-10 19:31:26,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8d4f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:31:26, skipping insertion in model container [2024-11-10 19:31:26,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:31:26" (3/3) ... [2024-11-10 19:31:26,451 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound10.c [2024-11-10 19:31:26,463 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:31:26,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-11-10 19:31:26,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:31:26,524 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;@5394d67d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:31:26,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-10 19:31:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 105 states have (on average 1.8666666666666667) internal successors, (196), 191 states have internal predecessors, (196), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:31:26,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:26,536 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:31:26,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:26,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:26,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2023424290, now seen corresponding path program 1 times [2024-11-10 19:31:26,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:26,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98836082] [2024-11-10 19:31:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:26,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:26,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:26,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98836082] [2024-11-10 19:31:26,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98836082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:26,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:26,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:26,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93980843] [2024-11-10 19:31:26,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:26,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:31:26,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:26,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:31:26,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:31:26,675 INFO L87 Difference]: Start difference. First operand has 196 states, 105 states have (on average 1.8666666666666667) internal successors, (196), 191 states have internal predecessors, (196), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:26,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:26,702 INFO L93 Difference]: Finished difference Result 375 states and 402 transitions. [2024-11-10 19:31:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:31:26,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:31:26,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:26,711 INFO L225 Difference]: With dead ends: 375 [2024-11-10 19:31:26,711 INFO L226 Difference]: Without dead ends: 176 [2024-11-10 19:31:26,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:31:26,716 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:26,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-10 19:31:26,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-10 19:31:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 100 states have (on average 1.74) internal successors, (174), 172 states have internal predecessors, (174), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 178 transitions. [2024-11-10 19:31:26,749 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 178 transitions. Word has length 6 [2024-11-10 19:31:26,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:26,750 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 178 transitions. [2024-11-10 19:31:26,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 178 transitions. [2024-11-10 19:31:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:31:26,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:26,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:31:26,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:31:26,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:26,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:26,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2023394499, now seen corresponding path program 1 times [2024-11-10 19:31:26,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:26,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384939991] [2024-11-10 19:31:26,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:26,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:26,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:26,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384939991] [2024-11-10 19:31:26,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384939991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:26,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:26,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:26,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226489873] [2024-11-10 19:31:26,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:26,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:26,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:26,824 INFO L87 Difference]: Start difference. First operand 176 states and 178 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:26,867 INFO L93 Difference]: Finished difference Result 258 states and 260 transitions. [2024-11-10 19:31:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:31:26,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:31:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:26,868 INFO L225 Difference]: With dead ends: 258 [2024-11-10 19:31:26,869 INFO L226 Difference]: Without dead ends: 181 [2024-11-10 19:31:26,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:31:26,870 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 6 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:26,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 513 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-10 19:31:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-10 19:31:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 105 states have (on average 1.7047619047619047) internal successors, (179), 177 states have internal predecessors, (179), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 183 transitions. [2024-11-10 19:31:26,879 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 183 transitions. Word has length 6 [2024-11-10 19:31:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:26,879 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 183 transitions. [2024-11-10 19:31:26,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:31:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 183 transitions. [2024-11-10 19:31:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:31:26,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:26,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:26,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:31:26,880 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:26,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1525223751, now seen corresponding path program 1 times [2024-11-10 19:31:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:26,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68965087] [2024-11-10 19:31:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:26,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:26,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68965087] [2024-11-10 19:31:26,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68965087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:26,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:26,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:26,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597346281] [2024-11-10 19:31:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:26,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:26,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:26,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:26,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:26,923 INFO L87 Difference]: Start difference. First operand 181 states and 183 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-10 19:31:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:27,209 INFO L93 Difference]: Finished difference Result 319 states and 331 transitions. [2024-11-10 19:31:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:27,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-10 19:31:27,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:27,211 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:31:27,214 INFO L226 Difference]: Without dead ends: 263 [2024-11-10 19:31:27,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:27,215 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:27,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 136 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:31:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-10 19:31:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-10 19:31:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 251 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:27,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-10 19:31:27,235 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 10 [2024-11-10 19:31:27,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:27,236 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-10 19:31:27,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-10 19:31:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-10 19:31:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:31:27,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:27,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:27,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:31:27,240 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:27,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:27,240 INFO L85 PathProgramCache]: Analyzing trace with hash 924409053, now seen corresponding path program 1 times [2024-11-10 19:31:27,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:27,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010528929] [2024-11-10 19:31:27,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:27,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:27,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:27,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010528929] [2024-11-10 19:31:27,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010528929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:27,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:27,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:27,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530227546] [2024-11-10 19:31:27,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:27,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:27,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:27,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:27,371 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-10 19:31:27,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:27,450 INFO L93 Difference]: Finished difference Result 277 states and 289 transitions. [2024-11-10 19:31:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:27,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2024-11-10 19:31:27,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:27,452 INFO L225 Difference]: With dead ends: 277 [2024-11-10 19:31:27,452 INFO L226 Difference]: Without dead ends: 272 [2024-11-10 19:31:27,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:27,454 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 61 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:27,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 302 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:27,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-10 19:31:27,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2024-11-10 19:31:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 187 states have (on average 1.4705882352941178) internal successors, (275), 259 states have internal predecessors, (275), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 281 transitions. [2024-11-10 19:31:27,465 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 281 transitions. Word has length 38 [2024-11-10 19:31:27,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:27,465 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 281 transitions. [2024-11-10 19:31:27,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-10 19:31:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 281 transitions. [2024-11-10 19:31:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:31:27,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:27,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:27,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:31:27,466 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:27,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:27,467 INFO L85 PathProgramCache]: Analyzing trace with hash -701127493, now seen corresponding path program 1 times [2024-11-10 19:31:27,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810575687] [2024-11-10 19:31:27,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:27,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:27,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810575687] [2024-11-10 19:31:27,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810575687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:27,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:27,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:27,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870393163] [2024-11-10 19:31:27,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:27,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:27,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:27,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:27,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:27,653 INFO L87 Difference]: Start difference. First operand 264 states and 281 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-10 19:31:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:27,802 INFO L93 Difference]: Finished difference Result 276 states and 284 transitions. [2024-11-10 19:31:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:27,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-10 19:31:27,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:27,804 INFO L225 Difference]: With dead ends: 276 [2024-11-10 19:31:27,804 INFO L226 Difference]: Without dead ends: 271 [2024-11-10 19:31:27,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:27,806 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 143 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:27,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 238 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:27,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-10 19:31:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 264. [2024-11-10 19:31:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 187 states have (on average 1.4438502673796791) internal successors, (270), 259 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 276 transitions. [2024-11-10 19:31:27,822 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 276 transitions. Word has length 40 [2024-11-10 19:31:27,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:27,822 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 276 transitions. [2024-11-10 19:31:27,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-10 19:31:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 276 transitions. [2024-11-10 19:31:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:31:27,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:27,823 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:27,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:31:27,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:27,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:27,824 INFO L85 PathProgramCache]: Analyzing trace with hash -260115718, now seen corresponding path program 1 times [2024-11-10 19:31:27,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:27,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543462351] [2024-11-10 19:31:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:27,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:27,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543462351] [2024-11-10 19:31:27,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543462351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:27,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:27,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661992956] [2024-11-10 19:31:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:27,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:27,917 INFO L87 Difference]: Start difference. First operand 264 states and 276 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-10 19:31:28,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:28,038 INFO L93 Difference]: Finished difference Result 275 states and 279 transitions. [2024-11-10 19:31:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:28,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-10 19:31:28,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:28,041 INFO L225 Difference]: With dead ends: 275 [2024-11-10 19:31:28,041 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 19:31:28,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:28,041 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 134 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:28,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 251 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:28,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 19:31:28,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 230. [2024-11-10 19:31:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.5163398692810457) internal successors, (232), 225 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 238 transitions. [2024-11-10 19:31:28,056 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 238 transitions. Word has length 41 [2024-11-10 19:31:28,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:28,056 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 238 transitions. [2024-11-10 19:31:28,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-10 19:31:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2024-11-10 19:31:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:31:28,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:28,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:28,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:31:28,058 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:28,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:28,058 INFO L85 PathProgramCache]: Analyzing trace with hash -956029096, now seen corresponding path program 1 times [2024-11-10 19:31:28,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:28,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959242597] [2024-11-10 19:31:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:28,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:31:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:28,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:28,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959242597] [2024-11-10 19:31:28,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959242597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:28,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:28,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:28,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129943624] [2024-11-10 19:31:28,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:28,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:28,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:28,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:28,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:28,136 INFO L87 Difference]: Start difference. First operand 230 states and 238 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:28,153 INFO L93 Difference]: Finished difference Result 232 states and 238 transitions. [2024-11-10 19:31:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:28,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-11-10 19:31:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:28,155 INFO L225 Difference]: With dead ends: 232 [2024-11-10 19:31:28,155 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 19:31:28,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:28,156 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 2 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:28,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 343 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:28,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 19:31:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-10 19:31:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.5032679738562091) internal successors, (230), 225 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:31:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 236 transitions. [2024-11-10 19:31:28,164 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 236 transitions. Word has length 50 [2024-11-10 19:31:28,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:28,165 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 236 transitions. [2024-11-10 19:31:28,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 236 transitions. [2024-11-10 19:31:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:31:28,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:28,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:28,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:31:28,168 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:28,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:28,169 INFO L85 PathProgramCache]: Analyzing trace with hash -622774867, now seen corresponding path program 1 times [2024-11-10 19:31:28,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:28,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967962070] [2024-11-10 19:31:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:28,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199165731] [2024-11-10 19:31:28,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:28,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:28,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:28,197 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) [2024-11-10 19:31:28,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:31:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:28,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:31:28,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:28,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:31:28,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:28,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967962070] [2024-11-10 19:31:28,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:28,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199165731] [2024-11-10 19:31:28,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199165731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:28,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:28,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:28,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113131773] [2024-11-10 19:31:28,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:28,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:28,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:28,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:28,358 INFO L87 Difference]: Start difference. First operand 230 states and 236 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:28,663 INFO L93 Difference]: Finished difference Result 378 states and 395 transitions. [2024-11-10 19:31:28,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:28,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-10 19:31:28,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:28,664 INFO L225 Difference]: With dead ends: 378 [2024-11-10 19:31:28,664 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 19:31:28,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:28,665 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 100 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:28,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 164 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:31:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 19:31:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 315. [2024-11-10 19:31:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 236 states have (on average 1.3983050847457628) internal successors, (330), 308 states have internal predecessors, (330), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:31:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 340 transitions. [2024-11-10 19:31:28,690 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 340 transitions. Word has length 57 [2024-11-10 19:31:28,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:28,690 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 340 transitions. [2024-11-10 19:31:28,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 340 transitions. [2024-11-10 19:31:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:31:28,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:28,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:28,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:31:28,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:28,896 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:28,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:28,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1160818471, now seen corresponding path program 1 times [2024-11-10 19:31:28,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:28,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055202187] [2024-11-10 19:31:28,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:28,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:31:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055202187] [2024-11-10 19:31:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055202187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:28,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:31:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048937682] [2024-11-10 19:31:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:31:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:28,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:31:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:28,951 INFO L87 Difference]: Start difference. First operand 315 states and 340 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:29,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:29,020 INFO L93 Difference]: Finished difference Result 316 states and 340 transitions. [2024-11-10 19:31:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:29,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-10 19:31:29,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:29,022 INFO L225 Difference]: With dead ends: 316 [2024-11-10 19:31:29,022 INFO L226 Difference]: Without dead ends: 315 [2024-11-10 19:31:29,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:31:29,022 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 47 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:29,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 285 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:31:29,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-10 19:31:29,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-11-10 19:31:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 236 states have (on average 1.3940677966101696) internal successors, (329), 308 states have internal predecessors, (329), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:31:29,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 339 transitions. [2024-11-10 19:31:29,028 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 339 transitions. Word has length 63 [2024-11-10 19:31:29,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:29,028 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 339 transitions. [2024-11-10 19:31:29,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 339 transitions. [2024-11-10 19:31:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:31:29,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:29,029 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:29,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:31:29,029 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:29,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1133543830, now seen corresponding path program 1 times [2024-11-10 19:31:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:29,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787070875] [2024-11-10 19:31:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:31:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:29,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787070875] [2024-11-10 19:31:29,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787070875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:31:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660210643] [2024-11-10 19:31:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:29,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:29,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:29,114 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) [2024-11-10 19:31:29,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:31:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:29,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:31:29,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:29,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:31:29,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660210643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:29,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:31:29,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:31:29,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977367071] [2024-11-10 19:31:29,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:29,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:31:29,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:29,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:31:29,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:31:29,263 INFO L87 Difference]: Start difference. First operand 315 states and 339 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:29,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:29,284 INFO L93 Difference]: Finished difference Result 315 states and 339 transitions. [2024-11-10 19:31:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:31:29,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2024-11-10 19:31:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:29,285 INFO L225 Difference]: With dead ends: 315 [2024-11-10 19:31:29,285 INFO L226 Difference]: Without dead ends: 314 [2024-11-10 19:31:29,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:31:29,286 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 123 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:29,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 339 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-10 19:31:29,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2024-11-10 19:31:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 236 states have (on average 1.3855932203389831) internal successors, (327), 307 states have internal predecessors, (327), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:31:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 337 transitions. [2024-11-10 19:31:29,293 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 337 transitions. Word has length 66 [2024-11-10 19:31:29,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:29,293 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 337 transitions. [2024-11-10 19:31:29,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 337 transitions. [2024-11-10 19:31:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:31:29,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:29,294 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:29,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:31:29,498 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,SelfDestructingSolverStorable9 [2024-11-10 19:31:29,499 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:29,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:29,500 INFO L85 PathProgramCache]: Analyzing trace with hash -780120210, now seen corresponding path program 1 times [2024-11-10 19:31:29,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:29,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307863066] [2024-11-10 19:31:29,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:29,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:31:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:29,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:29,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307863066] [2024-11-10 19:31:29,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307863066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:31:29,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734805351] [2024-11-10 19:31:29,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:29,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:29,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:29,611 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) [2024-11-10 19:31:29,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:31:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:29,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:31:29,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:29,781 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:31:29,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734805351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:29,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:31:29,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:31:29,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580029026] [2024-11-10 19:31:29,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:29,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:31:29,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:29,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:31:29,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:31:29,782 INFO L87 Difference]: Start difference. First operand 314 states and 337 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:29,816 INFO L93 Difference]: Finished difference Result 426 states and 456 transitions. [2024-11-10 19:31:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:31:29,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2024-11-10 19:31:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:29,818 INFO L225 Difference]: With dead ends: 426 [2024-11-10 19:31:29,818 INFO L226 Difference]: Without dead ends: 425 [2024-11-10 19:31:29,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:31:29,818 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 121 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:29,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 790 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:29,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-10 19:31:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2024-11-10 19:31:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 307 states have (on average 1.4039087947882736) internal successors, (431), 379 states have internal predecessors, (431), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:31:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 445 transitions. [2024-11-10 19:31:29,826 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 445 transitions. Word has length 67 [2024-11-10 19:31:29,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:29,827 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 445 transitions. [2024-11-10 19:31:29,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 445 transitions. [2024-11-10 19:31:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:31:29,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:29,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:29,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:31:30,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:30,032 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:30,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:30,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1092856951, now seen corresponding path program 1 times [2024-11-10 19:31:30,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:30,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920975566] [2024-11-10 19:31:30,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:30,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:31:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:30,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920975566] [2024-11-10 19:31:30,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920975566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:31:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862000075] [2024-11-10 19:31:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:30,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:30,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:30,113 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) [2024-11-10 19:31:30,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:31:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:30,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:31:30,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:30,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:31:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:30,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862000075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:31:30,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:31:30,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:31:30,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256785583] [2024-11-10 19:31:30,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:31:30,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:31:30,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:30,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:31:30,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:31:30,333 INFO L87 Difference]: Start difference. First operand 387 states and 445 transitions. Second operand has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:31:30,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:30,424 INFO L93 Difference]: Finished difference Result 679 states and 722 transitions. [2024-11-10 19:31:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:31:30,424 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-11-10 19:31:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:30,427 INFO L225 Difference]: With dead ends: 679 [2024-11-10 19:31:30,428 INFO L226 Difference]: Without dead ends: 567 [2024-11-10 19:31:30,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:31:30,430 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 255 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:30,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1267 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:30,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-10 19:31:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 470. [2024-11-10 19:31:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 386 states have (on average 1.4974093264248705) internal successors, (578), 458 states have internal predecessors, (578), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:31:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 594 transitions. [2024-11-10 19:31:30,455 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 594 transitions. Word has length 98 [2024-11-10 19:31:30,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:30,456 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 594 transitions. [2024-11-10 19:31:30,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:31:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2024-11-10 19:31:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:31:30,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:30,458 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:30,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:31:30,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:30,658 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:30,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash 673412106, now seen corresponding path program 1 times [2024-11-10 19:31:30,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:30,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549296692] [2024-11-10 19:31:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:30,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:30,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491816752] [2024-11-10 19:31:30,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:30,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:30,681 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) [2024-11-10 19:31:30,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:31:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:30,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:31:30,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-10 19:31:30,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:31:30,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:30,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549296692] [2024-11-10 19:31:30,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:30,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491816752] [2024-11-10 19:31:30,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491816752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:31:30,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:31:30,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:31:30,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529769842] [2024-11-10 19:31:30,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:31:30,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:31:30,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:30,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:31:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:30,870 INFO L87 Difference]: Start difference. First operand 470 states and 594 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:30,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:30,915 INFO L93 Difference]: Finished difference Result 470 states and 594 transitions. [2024-11-10 19:31:30,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:31:30,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2024-11-10 19:31:30,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:30,918 INFO L225 Difference]: With dead ends: 470 [2024-11-10 19:31:30,919 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 19:31:30,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:31:30,919 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:30,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 154 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:31:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 19:31:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-10 19:31:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 386 states have (on average 1.471502590673575) internal successors, (568), 455 states have internal predecessors, (568), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:31:30,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 584 transitions. [2024-11-10 19:31:30,938 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 584 transitions. Word has length 98 [2024-11-10 19:31:30,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:30,938 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 584 transitions. [2024-11-10 19:31:30,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:31:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 584 transitions. [2024-11-10 19:31:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:31:30,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:30,939 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:30,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:31:31,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:31:31,141 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:31,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:31,142 INFO L85 PathProgramCache]: Analyzing trace with hash -599061105, now seen corresponding path program 1 times [2024-11-10 19:31:31,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:31,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221873534] [2024-11-10 19:31:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:31,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559715434] [2024-11-10 19:31:31,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:31,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:31,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:31,167 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) [2024-11-10 19:31:31,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:31:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:31,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:31:31,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:31,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:31:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:31,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:31,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221873534] [2024-11-10 19:31:31,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:31,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559715434] [2024-11-10 19:31:31,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559715434] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:31:31,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:31:31,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:31:31,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122007329] [2024-11-10 19:31:31,553 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:31:31,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:31:31,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:31,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:31:31,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:31:31,554 INFO L87 Difference]: Start difference. First operand 467 states and 584 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:31:32,166 INFO L93 Difference]: Finished difference Result 524 states and 584 transitions. [2024-11-10 19:31:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:31:32,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 99 [2024-11-10 19:31:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:31:32,169 INFO L225 Difference]: With dead ends: 524 [2024-11-10 19:31:32,169 INFO L226 Difference]: Without dead ends: 517 [2024-11-10 19:31:32,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:31:32,170 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 296 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:31:32,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 394 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:31:32,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-10 19:31:32,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 467. [2024-11-10 19:31:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 386 states have (on average 1.4455958549222798) internal successors, (558), 455 states have internal predecessors, (558), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:31:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 574 transitions. [2024-11-10 19:31:32,181 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 574 transitions. Word has length 99 [2024-11-10 19:31:32,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:31:32,182 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 574 transitions. [2024-11-10 19:31:32,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 574 transitions. [2024-11-10 19:31:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:31:32,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:31:32,182 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:31:32,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:31:32,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:32,384 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:31:32,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:31:32,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1391024984, now seen corresponding path program 1 times [2024-11-10 19:31:32,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:31:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939428774] [2024-11-10 19:31:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:31:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:31:32,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102870620] [2024-11-10 19:31:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:31:32,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:31:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:31:32,426 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:31:32,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:31:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:31:32,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:31:32,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:31:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:32,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:31:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:31:33,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:31:33,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939428774] [2024-11-10 19:31:33,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:31:33,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102870620] [2024-11-10 19:31:33,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102870620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:31:33,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:31:33,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-10 19:31:33,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857389558] [2024-11-10 19:31:33,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:31:33,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:31:33,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:31:33,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:31:33,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:31:33,211 INFO L87 Difference]: Start difference. First operand 467 states and 574 transitions. Second operand has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:31:37,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:41,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:45,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:50,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:54,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:31:58,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:00,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:05,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:09,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:12,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:14,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:17,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:21,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:24,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:28,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:32,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:36,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:40,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:44,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:51,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:51,424 INFO L93 Difference]: Finished difference Result 479 states and 574 transitions. [2024-11-10 19:32:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:32:51,425 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2024-11-10 19:32:51,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:51,426 INFO L225 Difference]: With dead ends: 479 [2024-11-10 19:32:51,426 INFO L226 Difference]: Without dead ends: 471 [2024-11-10 19:32:51,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:32:51,427 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 227 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 29 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:51,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 135 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 811 Invalid, 15 Unknown, 0 Unchecked, 78.0s Time] [2024-11-10 19:32:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-10 19:32:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 465. [2024-11-10 19:32:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 386 states have (on average 1.4119170984455958) internal successors, (545), 453 states have internal predecessors, (545), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 561 transitions. [2024-11-10 19:32:51,437 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 561 transitions. Word has length 100 [2024-11-10 19:32:51,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:51,438 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 561 transitions. [2024-11-10 19:32:51,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 561 transitions. [2024-11-10 19:32:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-10 19:32:51,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:51,439 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:51,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:51,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:51,640 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:51,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash 732685061, now seen corresponding path program 1 times [2024-11-10 19:32:51,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:51,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300308285] [2024-11-10 19:32:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:51,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:51,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:32:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:51,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:51,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300308285] [2024-11-10 19:32:51,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300308285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:51,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772062447] [2024-11-10 19:32:51,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:51,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:51,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:51,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:32:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:51,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:32:51,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:51,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:51,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772062447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:51,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:51,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:32:51,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576370852] [2024-11-10 19:32:51,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:51,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:51,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:51,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:51,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:32:51,856 INFO L87 Difference]: Start difference. First operand 465 states and 561 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:51,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:51,875 INFO L93 Difference]: Finished difference Result 498 states and 567 transitions. [2024-11-10 19:32:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:51,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 110 [2024-11-10 19:32:51,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:51,877 INFO L225 Difference]: With dead ends: 498 [2024-11-10 19:32:51,877 INFO L226 Difference]: Without dead ends: 497 [2024-11-10 19:32:51,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:32:51,878 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 104 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:51,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:51,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-10 19:32:51,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 464. [2024-11-10 19:32:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 386 states have (on average 1.4041450777202074) internal successors, (542), 452 states have internal predecessors, (542), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 558 transitions. [2024-11-10 19:32:51,889 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 558 transitions. Word has length 110 [2024-11-10 19:32:51,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:51,889 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 558 transitions. [2024-11-10 19:32:51,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 558 transitions. [2024-11-10 19:32:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 19:32:51,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:51,891 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:51,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:32:52,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:32:52,092 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:52,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:52,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1238400485, now seen corresponding path program 1 times [2024-11-10 19:32:52,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:52,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39297784] [2024-11-10 19:32:52,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:32:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:52,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39297784] [2024-11-10 19:32:52,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39297784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103861081] [2024-11-10 19:32:52,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:52,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:52,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:52,155 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:52,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:32:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:32:52,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:52,300 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:52,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103861081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:52,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:32:52,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:32:52,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753055314] [2024-11-10 19:32:52,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:52,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:32:52,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:52,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:32:52,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:32:52,406 INFO L87 Difference]: Start difference. First operand 464 states and 558 transitions. Second operand has 7 states, 6 states have (on average 41.0) internal successors, (246), 7 states have internal predecessors, (246), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:32:52,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:52,441 INFO L93 Difference]: Finished difference Result 563 states and 626 transitions. [2024-11-10 19:32:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:32:52,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 41.0) internal successors, (246), 7 states have internal predecessors, (246), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 111 [2024-11-10 19:32:52,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:52,443 INFO L225 Difference]: With dead ends: 563 [2024-11-10 19:32:52,443 INFO L226 Difference]: Without dead ends: 562 [2024-11-10 19:32:52,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:32:52,444 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 74 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:52,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 810 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:52,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-10 19:32:52,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 502. [2024-11-10 19:32:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 423 states have (on average 1.4302600472813238) internal successors, (605), 489 states have internal predecessors, (605), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:32:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 623 transitions. [2024-11-10 19:32:52,453 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 623 transitions. Word has length 111 [2024-11-10 19:32:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:52,453 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 623 transitions. [2024-11-10 19:32:52,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 41.0) internal successors, (246), 7 states have internal predecessors, (246), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:32:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 623 transitions. [2024-11-10 19:32:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:32:52,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:52,454 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:52,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:52,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:32:52,659 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:52,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:52,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1401438573, now seen corresponding path program 1 times [2024-11-10 19:32:52,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:52,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934301628] [2024-11-10 19:32:52,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:32:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 19:32:52,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:52,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934301628] [2024-11-10 19:32:52,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934301628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:52,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:52,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:32:52,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730260877] [2024-11-10 19:32:52,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:52,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:52,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:52,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:52,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:52,730 INFO L87 Difference]: Start difference. First operand 502 states and 623 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:52,924 INFO L93 Difference]: Finished difference Result 502 states and 623 transitions. [2024-11-10 19:32:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:32:52,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 130 [2024-11-10 19:32:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:52,925 INFO L225 Difference]: With dead ends: 502 [2024-11-10 19:32:52,926 INFO L226 Difference]: Without dead ends: 495 [2024-11-10 19:32:52,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:52,926 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 82 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:52,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 43 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-10 19:32:52,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-10 19:32:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 423 states have (on average 1.3829787234042554) internal successors, (585), 482 states have internal predecessors, (585), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:32:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 603 transitions. [2024-11-10 19:32:52,938 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 603 transitions. Word has length 130 [2024-11-10 19:32:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:52,938 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 603 transitions. [2024-11-10 19:32:52,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 603 transitions. [2024-11-10 19:32:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 19:32:52,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:52,939 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:52,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:32:52,940 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:52,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:52,940 INFO L85 PathProgramCache]: Analyzing trace with hash -494922658, now seen corresponding path program 1 times [2024-11-10 19:32:52,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:52,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40447049] [2024-11-10 19:32:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:32:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 19:32:52,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:52,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40447049] [2024-11-10 19:32:52,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40447049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:52,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:52,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:32:52,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103880094] [2024-11-10 19:32:52,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:52,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:52,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:52,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:52,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:52,992 INFO L87 Difference]: Start difference. First operand 495 states and 603 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:53,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:53,163 INFO L93 Difference]: Finished difference Result 495 states and 603 transitions. [2024-11-10 19:32:53,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:53,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 131 [2024-11-10 19:32:53,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:53,165 INFO L225 Difference]: With dead ends: 495 [2024-11-10 19:32:53,166 INFO L226 Difference]: Without dead ends: 488 [2024-11-10 19:32:53,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:53,167 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 117 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:53,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 36 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:53,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-10 19:32:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2024-11-10 19:32:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 423 states have (on average 1.3356973995271868) internal successors, (565), 475 states have internal predecessors, (565), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:32:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 583 transitions. [2024-11-10 19:32:53,176 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 583 transitions. Word has length 131 [2024-11-10 19:32:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:53,176 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 583 transitions. [2024-11-10 19:32:53,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 583 transitions. [2024-11-10 19:32:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 19:32:53,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:53,177 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:53,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:32:53,178 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:53,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:53,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1120700092, now seen corresponding path program 1 times [2024-11-10 19:32:53,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:53,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599774297] [2024-11-10 19:32:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:53,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27883953] [2024-11-10 19:32:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:53,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:53,201 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:53,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:32:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:53,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:32:53,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:53,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:53,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:53,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599774297] [2024-11-10 19:32:53,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:53,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27883953] [2024-11-10 19:32:53,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27883953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:53,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:32:53,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:32:53,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474457195] [2024-11-10 19:32:53,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:53,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:32:53,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:53,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:32:53,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:53,552 INFO L87 Difference]: Start difference. First operand 488 states and 583 transitions. Second operand has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 8 states have internal predecessors, (246), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:54,050 INFO L93 Difference]: Finished difference Result 524 states and 589 transitions. [2024-11-10 19:32:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:32:54,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 8 states have internal predecessors, (246), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 133 [2024-11-10 19:32:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:54,052 INFO L225 Difference]: With dead ends: 524 [2024-11-10 19:32:54,052 INFO L226 Difference]: Without dead ends: 484 [2024-11-10 19:32:54,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:32:54,052 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 460 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:54,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 181 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:32:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-10 19:32:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 480. [2024-11-10 19:32:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 419 states have (on average 1.2386634844868736) internal successors, (519), 468 states have internal predecessors, (519), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:32:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 537 transitions. [2024-11-10 19:32:54,061 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 537 transitions. Word has length 133 [2024-11-10 19:32:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:54,062 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 537 transitions. [2024-11-10 19:32:54,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 8 states have internal predecessors, (246), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:32:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 537 transitions. [2024-11-10 19:32:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 19:32:54,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:54,063 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:54,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:32:54,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:54,263 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:54,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash -14571935, now seen corresponding path program 1 times [2024-11-10 19:32:54,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:54,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138205845] [2024-11-10 19:32:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:54,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663430757] [2024-11-10 19:32:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:54,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:54,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:54,288 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:54,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:32:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:54,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:32:54,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:32:54,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:54,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:54,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138205845] [2024-11-10 19:32:54,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:54,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663430757] [2024-11-10 19:32:54,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663430757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:54,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:54,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:32:54,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369302752] [2024-11-10 19:32:54,857 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:54,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:32:54,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:54,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:32:54,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:54,858 INFO L87 Difference]: Start difference. First operand 480 states and 537 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:32:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:55,141 INFO L93 Difference]: Finished difference Result 482 states and 540 transitions. [2024-11-10 19:32:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:32:55,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 149 [2024-11-10 19:32:55,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:55,142 INFO L225 Difference]: With dead ends: 482 [2024-11-10 19:32:55,142 INFO L226 Difference]: Without dead ends: 468 [2024-11-10 19:32:55,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:32:55,143 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 64 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:55,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 78 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:32:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-10 19:32:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 466. [2024-11-10 19:32:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 419 states have (on average 1.1742243436754176) internal successors, (492), 454 states have internal predecessors, (492), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:32:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 510 transitions. [2024-11-10 19:32:55,152 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 510 transitions. Word has length 149 [2024-11-10 19:32:55,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:55,152 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 510 transitions. [2024-11-10 19:32:55,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:32:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 510 transitions. [2024-11-10 19:32:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 19:32:55,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:55,153 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:55,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:32:55,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-10 19:32:55,357 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:55,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:55,358 INFO L85 PathProgramCache]: Analyzing trace with hash -451730007, now seen corresponding path program 1 times [2024-11-10 19:32:55,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:55,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695522722] [2024-11-10 19:32:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:55,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:55,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661440200] [2024-11-10 19:32:55,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:55,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:55,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:55,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:55,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:32:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:55,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:32:55,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:32:55,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:56,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:56,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695522722] [2024-11-10 19:32:56,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:56,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661440200] [2024-11-10 19:32:56,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661440200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:56,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:56,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:32:56,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343142712] [2024-11-10 19:32:56,139 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:56,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:32:56,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:56,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:32:56,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:56,140 INFO L87 Difference]: Start difference. First operand 466 states and 510 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:32:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:56,427 INFO L93 Difference]: Finished difference Result 469 states and 512 transitions. [2024-11-10 19:32:56,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:32:56,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 150 [2024-11-10 19:32:56,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:56,429 INFO L225 Difference]: With dead ends: 469 [2024-11-10 19:32:56,429 INFO L226 Difference]: Without dead ends: 431 [2024-11-10 19:32:56,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:56,429 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:56,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 136 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:32:56,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-10 19:32:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-10 19:32:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 385 states have (on average 1.187012987012987) internal successors, (457), 419 states have internal predecessors, (457), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 473 transitions. [2024-11-10 19:32:56,438 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 473 transitions. Word has length 150 [2024-11-10 19:32:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:56,439 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 473 transitions. [2024-11-10 19:32:56,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:32:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 473 transitions. [2024-11-10 19:32:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-10 19:32:56,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:56,440 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:56,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:56,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:32:56,640 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:56,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash -103110688, now seen corresponding path program 1 times [2024-11-10 19:32:56,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:56,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086640668] [2024-11-10 19:32:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:56,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:56,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446005090] [2024-11-10 19:32:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:56,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:56,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:56,659 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:56,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:32:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:56,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:32:56,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:32:57,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:57,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:57,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086640668] [2024-11-10 19:32:57,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:57,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446005090] [2024-11-10 19:32:57,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446005090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:57,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:57,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:32:57,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498283670] [2024-11-10 19:32:57,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:57,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:32:57,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:57,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:32:57,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:57,279 INFO L87 Difference]: Start difference. First operand 431 states and 473 transitions. Second operand has 8 states, 7 states have (on average 22.0) internal successors, (154), 8 states have internal predecessors, (154), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:57,690 INFO L93 Difference]: Finished difference Result 434 states and 473 transitions. [2024-11-10 19:32:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:32:57,692 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.0) internal successors, (154), 8 states have internal predecessors, (154), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 161 [2024-11-10 19:32:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:57,698 INFO L225 Difference]: With dead ends: 434 [2024-11-10 19:32:57,698 INFO L226 Difference]: Without dead ends: 413 [2024-11-10 19:32:57,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:57,699 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 168 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:57,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 96 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:32:57,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-10 19:32:57,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-10 19:32:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 385 states have (on average 1.0753246753246752) internal successors, (414), 401 states have internal predecessors, (414), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 430 transitions. [2024-11-10 19:32:57,720 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 430 transitions. Word has length 161 [2024-11-10 19:32:57,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:57,720 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 430 transitions. [2024-11-10 19:32:57,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.0) internal successors, (154), 8 states have internal predecessors, (154), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:32:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 430 transitions. [2024-11-10 19:32:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 19:32:57,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:57,721 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:32:57,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:32:57,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:32:57,925 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:57,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:57,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1098536051, now seen corresponding path program 1 times [2024-11-10 19:32:57,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:57,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87045416] [2024-11-10 19:32:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:57,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469053789] [2024-11-10 19:32:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:57,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:57,943 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:57,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process