./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:10:10,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:10:10,433 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:10:10,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:10:10,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:10:10,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:10:10,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:10:10,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:10:10,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:10:10,465 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:10:10,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:10:10,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:10:10,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:10:10,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:10:10,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:10:10,467 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:10:10,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:10:10,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:10:10,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:10:10,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:10:10,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:10:10,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:10:10,468 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:10:10,469 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2025-03-17 15:10:10,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:10:10,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:10:10,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:10:10,728 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:10:10,728 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:10:10,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2025-03-17 15:10:11,805 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32aee8a9/bb119b33051547a29879b081f4df8db0/FLAGf049b411b [2025-03-17 15:10:12,054 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:10:12,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2025-03-17 15:10:12,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32aee8a9/bb119b33051547a29879b081f4df8db0/FLAGf049b411b [2025-03-17 15:10:12,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32aee8a9/bb119b33051547a29879b081f4df8db0 [2025-03-17 15:10:12,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:10:12,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:10:12,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:10:12,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:10:12,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:10:12,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf0269b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12, skipping insertion in model container [2025-03-17 15:10:12,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:10:12,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:10:12,507 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:10:12,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:10:12,535 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:10:12,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12 WrapperNode [2025-03-17 15:10:12,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:10:12,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:10:12,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:10:12,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:10:12,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,561 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2025-03-17 15:10:12,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:10:12,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:10:12,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:10:12,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:10:12,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,584 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]. [2025-03-17 15:10:12,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:10:12,597 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:10:12,597 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:10:12,598 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:10:12,598 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (1/1) ... [2025-03-17 15:10:12,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:10:12,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:12,622 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) [2025-03-17 15:10:12,627 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 [2025-03-17 15:10:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:10:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:10:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:10:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:10:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:10:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:10:12,681 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:10:12,682 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:10:12,909 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-17 15:10:12,910 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:10:12,919 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:10:12,919 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:10:12,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:10:12 BoogieIcfgContainer [2025-03-17 15:10:12,919 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:10:12,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:10:12,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:10:12,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:10:12,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:10:12" (1/3) ... [2025-03-17 15:10:12,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26806fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:10:12, skipping insertion in model container [2025-03-17 15:10:12,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:12" (2/3) ... [2025-03-17 15:10:12,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26806fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:10:12, skipping insertion in model container [2025-03-17 15:10:12,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:10:12" (3/3) ... [2025-03-17 15:10:12,927 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound50.c [2025-03-17 15:10:12,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:10:12,940 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_unwindbound50.c that has 2 procedures, 91 locations, 1 initial locations, 2 loop locations, and 34 error locations. [2025-03-17 15:10:12,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:10:12,992 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;@6722a6b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:10:12,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-03-17 15:10:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 48 states have (on average 1.875) internal successors, (90), 82 states have internal predecessors, (90), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 15:10:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 15:10:13,000 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 15:10:13,000 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:13,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:13,005 INFO L85 PathProgramCache]: Analyzing trace with hash 117316890, now seen corresponding path program 1 times [2025-03-17 15:10:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:13,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519188584] [2025-03-17 15:10:13,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:13,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:10:13,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:10:13,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:13,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:13,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519188584] [2025-03-17 15:10:13,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519188584] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:13,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:13,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:10:13,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918398833] [2025-03-17 15:10:13,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:13,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:10:13,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:13,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:10:13,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:10:13,119 INFO L87 Difference]: Start difference. First operand has 91 states, 48 states have (on average 1.875) internal successors, (90), 82 states have internal predecessors, (90), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:10:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:13,140 INFO L93 Difference]: Finished difference Result 180 states and 212 transitions. [2025-03-17 15:10:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:10:13,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-17 15:10:13,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:13,146 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:10:13,147 INFO L226 Difference]: Without dead ends: 87 [2025-03-17 15:10:13,150 INFO L434 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 [2025-03-17 15:10:13,153 INFO L435 NwaCegarLoop]: 100 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, 100 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 [2025-03-17 15:10:13,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-03-17 15:10:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-03-17 15:10:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 79 states have internal predecessors, (83), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:10:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2025-03-17 15:10:13,180 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 5 [2025-03-17 15:10:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:13,181 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2025-03-17 15:10:13,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:10:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2025-03-17 15:10:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 15:10:13,181 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,181 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 15:10:13,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:10:13,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:13,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:13,182 INFO L85 PathProgramCache]: Analyzing trace with hash 117346681, now seen corresponding path program 1 times [2025-03-17 15:10:13,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:13,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076625580] [2025-03-17 15:10:13,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:13,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:10:13,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:10:13,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:13,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:13,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076625580] [2025-03-17 15:10:13,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076625580] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:13,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:13,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:10:13,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594459622] [2025-03-17 15:10:13,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:13,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:13,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:13,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:13,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:13,261 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:10:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:13,311 INFO L93 Difference]: Finished difference Result 125 states and 135 transitions. [2025-03-17 15:10:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:13,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-17 15:10:13,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:13,313 INFO L225 Difference]: With dead ends: 125 [2025-03-17 15:10:13,313 INFO L226 Difference]: Without dead ends: 124 [2025-03-17 15:10:13,314 INFO L434 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 [2025-03-17 15:10:13,314 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 39 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:13,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 262 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-17 15:10:13,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2025-03-17 15:10:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.7627118644067796) internal successors, (104), 93 states have internal predecessors, (104), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:10:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2025-03-17 15:10:13,327 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 5 [2025-03-17 15:10:13,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:13,327 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2025-03-17 15:10:13,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:10:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2025-03-17 15:10:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 15:10:13,327 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,327 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 15:10:13,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:10:13,328 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:13,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash -657220131, now seen corresponding path program 1 times [2025-03-17 15:10:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169976112] [2025-03-17 15:10:13,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:13,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 15:10:13,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 15:10:13,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:13,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169976112] [2025-03-17 15:10:13,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169976112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:13,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:13,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:10:13,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083282169] [2025-03-17 15:10:13,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:13,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:13,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:13,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:13,383 INFO L87 Difference]: Start difference. First operand 103 states and 120 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) [2025-03-17 15:10:13,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:13,420 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2025-03-17 15:10:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:10:13,424 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 [2025-03-17 15:10:13,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:13,425 INFO L225 Difference]: With dead ends: 112 [2025-03-17 15:10:13,425 INFO L226 Difference]: Without dead ends: 103 [2025-03-17 15:10:13,426 INFO L434 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 [2025-03-17 15:10:13,426 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 3 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:13,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 265 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:13,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-03-17 15:10:13,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-03-17 15:10:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.728813559322034) internal successors, (102), 93 states have internal predecessors, (102), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:10:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2025-03-17 15:10:13,432 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 6 [2025-03-17 15:10:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:13,433 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2025-03-17 15:10:13,433 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) [2025-03-17 15:10:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2025-03-17 15:10:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 15:10:13,433 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,433 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:13,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:10:13,433 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:13,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:13,434 INFO L85 PathProgramCache]: Analyzing trace with hash -228351717, now seen corresponding path program 1 times [2025-03-17 15:10:13,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:13,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402758286] [2025-03-17 15:10:13,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:13,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 15:10:13,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 15:10:13,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:13,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220975224] [2025-03-17 15:10:13,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:13,449 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) [2025-03-17 15:10:13,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:10:13,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 15:10:13,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 15:10:13,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:13,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:10:13,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:13,498 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:13,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:13,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402758286] [2025-03-17 15:10:13,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:13,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220975224] [2025-03-17 15:10:13,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220975224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:13,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:13,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:10:13,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528559076] [2025-03-17 15:10:13,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:13,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:10:13,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:13,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:10:13,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:10:13,500 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-17 15:10:13,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:13,560 INFO L93 Difference]: Finished difference Result 118 states and 127 transitions. [2025-03-17 15:10:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:10:13,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2025-03-17 15:10:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:13,561 INFO L225 Difference]: With dead ends: 118 [2025-03-17 15:10:13,561 INFO L226 Difference]: Without dead ends: 116 [2025-03-17 15:10:13,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:10:13,582 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:13,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-03-17 15:10:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2025-03-17 15:10:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.694915254237288) internal successors, (100), 93 states have internal predecessors, (100), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:10:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2025-03-17 15:10:13,589 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 8 [2025-03-17 15:10:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:13,589 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2025-03-17 15:10:13,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-17 15:10:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2025-03-17 15:10:13,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-17 15:10:13,589 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,589 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:13,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:10:13,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:13,793 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:13,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:13,794 INFO L85 PathProgramCache]: Analyzing trace with hash 862441892, now seen corresponding path program 1 times [2025-03-17 15:10:13,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:13,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476166125] [2025-03-17 15:10:13,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:13,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 15:10:13,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 15:10:13,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:13,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870090513] [2025-03-17 15:10:13,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:13,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:13,808 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) [2025-03-17 15:10:13,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:10:13,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 15:10:13,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 15:10:13,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:13,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:13,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:10:13,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:13,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:13,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:13,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476166125] [2025-03-17 15:10:13,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:13,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870090513] [2025-03-17 15:10:13,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870090513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:13,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:13,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:10:13,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775960419] [2025-03-17 15:10:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:13,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:10:13,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:13,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:10:13,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:10:13,867 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:10:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:13,924 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2025-03-17 15:10:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:10:13,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-03-17 15:10:13,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:13,925 INFO L225 Difference]: With dead ends: 159 [2025-03-17 15:10:13,926 INFO L226 Difference]: Without dead ends: 153 [2025-03-17 15:10:13,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:10:13,926 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 51 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:13,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 140 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:13,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2025-03-17 15:10:13,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 131. [2025-03-17 15:10:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 116 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:10:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 165 transitions. [2025-03-17 15:10:13,937 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 165 transitions. Word has length 15 [2025-03-17 15:10:13,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:13,937 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 165 transitions. [2025-03-17 15:10:13,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:10:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2025-03-17 15:10:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-17 15:10:13,938 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,938 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:13,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:14,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:14,142 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:14,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash -122028542, now seen corresponding path program 1 times [2025-03-17 15:10:14,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:14,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523964989] [2025-03-17 15:10:14,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:14,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 15:10:14,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 15:10:14,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:14,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:14,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730413967] [2025-03-17 15:10:14,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:14,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:14,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:14,166 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) [2025-03-17 15:10:14,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:10:14,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 15:10:14,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 15:10:14,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:14,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:14,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:10:14,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:14,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:14,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:14,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523964989] [2025-03-17 15:10:14,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:14,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730413967] [2025-03-17 15:10:14,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730413967] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:14,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:14,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:14,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937469537] [2025-03-17 15:10:14,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:14,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:14,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:14,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:14,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:14,267 INFO L87 Difference]: Start difference. First operand 131 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-03-17 15:10:14,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:14,368 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2025-03-17 15:10:14,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:14,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 17 [2025-03-17 15:10:14,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:14,369 INFO L225 Difference]: With dead ends: 152 [2025-03-17 15:10:14,369 INFO L226 Difference]: Without dead ends: 149 [2025-03-17 15:10:14,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:14,370 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 182 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:14,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 139 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:14,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-03-17 15:10:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 132. [2025-03-17 15:10:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 117 states have internal predecessors, (140), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:10:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 164 transitions. [2025-03-17 15:10:14,379 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 164 transitions. Word has length 17 [2025-03-17 15:10:14,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:14,379 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 164 transitions. [2025-03-17 15:10:14,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-03-17 15:10:14,379 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2025-03-17 15:10:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 15:10:14,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:14,380 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:14,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:14,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:14,580 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:14,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 512082533, now seen corresponding path program 1 times [2025-03-17 15:10:14,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:14,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070776081] [2025-03-17 15:10:14,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:14,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:14,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 15:10:14,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 15:10:14,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:14,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951313703] [2025-03-17 15:10:14,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:14,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:14,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:14,605 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) [2025-03-17 15:10:14,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:10:14,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 15:10:14,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 15:10:14,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:14,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:14,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:10:14,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:10:14,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:14,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:14,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070776081] [2025-03-17 15:10:14,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:14,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951313703] [2025-03-17 15:10:14,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951313703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:14,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:14,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036473893] [2025-03-17 15:10:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:14,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:14,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:14,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:14,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:14,701 INFO L87 Difference]: Start difference. First operand 132 states and 164 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:10:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:14,799 INFO L93 Difference]: Finished difference Result 152 states and 169 transitions. [2025-03-17 15:10:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2025-03-17 15:10:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:14,801 INFO L225 Difference]: With dead ends: 152 [2025-03-17 15:10:14,801 INFO L226 Difference]: Without dead ends: 145 [2025-03-17 15:10:14,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:14,802 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 178 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:14,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 142 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:14,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-03-17 15:10:14,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2025-03-17 15:10:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 81 states have (on average 1.654320987654321) internal successors, (134), 114 states have internal predecessors, (134), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:10:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2025-03-17 15:10:14,809 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 18 [2025-03-17 15:10:14,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:14,809 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2025-03-17 15:10:14,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:10:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2025-03-17 15:10:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 15:10:14,810 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:14,810 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:14,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:15,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:15,010 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:15,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:15,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2145709070, now seen corresponding path program 1 times [2025-03-17 15:10:15,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:15,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648940310] [2025-03-17 15:10:15,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:15,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:10:15,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:10:15,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:10:15,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:15,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648940310] [2025-03-17 15:10:15,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648940310] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:15,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:15,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:10:15,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226669371] [2025-03-17 15:10:15,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:15,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:10:15,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:15,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:10:15,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:10:15,090 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:15,162 INFO L93 Difference]: Finished difference Result 129 states and 158 transitions. [2025-03-17 15:10:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:10:15,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-03-17 15:10:15,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:15,163 INFO L225 Difference]: With dead ends: 129 [2025-03-17 15:10:15,163 INFO L226 Difference]: Without dead ends: 127 [2025-03-17 15:10:15,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:10:15,164 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:15,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 243 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:15,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-03-17 15:10:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-03-17 15:10:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 81 states have (on average 1.617283950617284) internal successors, (131), 112 states have internal predecessors, (131), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:10:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 155 transitions. [2025-03-17 15:10:15,178 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 155 transitions. Word has length 26 [2025-03-17 15:10:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:15,178 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 155 transitions. [2025-03-17 15:10:15,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 155 transitions. [2025-03-17 15:10:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 15:10:15,179 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:15,179 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:15,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:10:15,179 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:15,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:15,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2092471758, now seen corresponding path program 1 times [2025-03-17 15:10:15,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:15,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777811798] [2025-03-17 15:10:15,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:15,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:10:15,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:10:15,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:10:15,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:15,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777811798] [2025-03-17 15:10:15,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777811798] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:15,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:10:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907839039] [2025-03-17 15:10:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:15,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:10:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:15,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:10:15,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:10:15,255 INFO L87 Difference]: Start difference. First operand 127 states and 155 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:15,306 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2025-03-17 15:10:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:10:15,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-03-17 15:10:15,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:15,307 INFO L225 Difference]: With dead ends: 213 [2025-03-17 15:10:15,307 INFO L226 Difference]: Without dead ends: 131 [2025-03-17 15:10:15,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:10:15,310 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 13 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:15,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 344 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:15,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-03-17 15:10:15,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-03-17 15:10:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 85 states have (on average 1.588235294117647) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:10:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2025-03-17 15:10:15,319 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 27 [2025-03-17 15:10:15,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:15,319 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2025-03-17 15:10:15,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2025-03-17 15:10:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:10:15,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:15,320 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:15,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 15:10:15,320 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:15,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash 820665740, now seen corresponding path program 1 times [2025-03-17 15:10:15,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:15,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758860404] [2025-03-17 15:10:15,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:15,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:10:15,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:10:15,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:15,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609818218] [2025-03-17 15:10:15,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:15,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:15,338 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) [2025-03-17 15:10:15,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:10:15,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:10:15,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:10:15,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:15,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:10:15,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:10:15,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:15,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:15,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758860404] [2025-03-17 15:10:15,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:15,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609818218] [2025-03-17 15:10:15,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609818218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:15,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:15,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:15,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839179127] [2025-03-17 15:10:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:15,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:15,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:15,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:15,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:15,408 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:15,522 INFO L93 Difference]: Finished difference Result 205 states and 276 transitions. [2025-03-17 15:10:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:15,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-03-17 15:10:15,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:15,523 INFO L225 Difference]: With dead ends: 205 [2025-03-17 15:10:15,523 INFO L226 Difference]: Without dead ends: 200 [2025-03-17 15:10:15,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:15,524 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 117 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:15,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 94 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:15,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-03-17 15:10:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 182. [2025-03-17 15:10:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 128 states have (on average 1.59375) internal successors, (204), 159 states have internal predecessors, (204), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:10:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 244 transitions. [2025-03-17 15:10:15,536 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 244 transitions. Word has length 29 [2025-03-17 15:10:15,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:15,536 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 244 transitions. [2025-03-17 15:10:15,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 244 transitions. [2025-03-17 15:10:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 15:10:15,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:15,537 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:15,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 15:10:15,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:10:15,738 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:15,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash -329165814, now seen corresponding path program 1 times [2025-03-17 15:10:15,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:15,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134192951] [2025-03-17 15:10:15,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:15,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:10:15,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:10:15,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:15,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762645414] [2025-03-17 15:10:15,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:15,750 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) [2025-03-17 15:10:15,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:10:15,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:10:15,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:10:15,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:15,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:10:15,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:10:15,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:15,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:15,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134192951] [2025-03-17 15:10:15,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:15,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762645414] [2025-03-17 15:10:15,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762645414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:15,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:15,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:15,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155236911] [2025-03-17 15:10:15,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:15,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:15,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:15,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:15,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:15,816 INFO L87 Difference]: Start difference. First operand 182 states and 244 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:15,921 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2025-03-17 15:10:15,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:15,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-03-17 15:10:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:15,922 INFO L225 Difference]: With dead ends: 203 [2025-03-17 15:10:15,922 INFO L226 Difference]: Without dead ends: 200 [2025-03-17 15:10:15,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:15,922 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 115 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:15,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 94 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:15,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-03-17 15:10:15,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 183. [2025-03-17 15:10:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.558139534883721) internal successors, (201), 160 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:10:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 241 transitions. [2025-03-17 15:10:15,937 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 241 transitions. Word has length 30 [2025-03-17 15:10:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:15,938 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 241 transitions. [2025-03-17 15:10:15,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:10:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 241 transitions. [2025-03-17 15:10:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:10:15,938 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:15,938 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:15,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:16,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:16,140 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:16,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:16,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1845954971, now seen corresponding path program 1 times [2025-03-17 15:10:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:16,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645347899] [2025-03-17 15:10:16,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:16,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:10:16,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:10:16,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:16,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:16,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:16,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645347899] [2025-03-17 15:10:16,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645347899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:16,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:16,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:16,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784488468] [2025-03-17 15:10:16,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:16,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:16,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:16,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:16,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:16,204 INFO L87 Difference]: Start difference. First operand 183 states and 241 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:16,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:16,339 INFO L93 Difference]: Finished difference Result 218 states and 270 transitions. [2025-03-17 15:10:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:10:16,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2025-03-17 15:10:16,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:16,340 INFO L225 Difference]: With dead ends: 218 [2025-03-17 15:10:16,340 INFO L226 Difference]: Without dead ends: 216 [2025-03-17 15:10:16,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:16,341 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 133 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:16,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 87 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:16,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-03-17 15:10:16,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 185. [2025-03-17 15:10:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 131 states have (on average 1.534351145038168) internal successors, (201), 162 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:10:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 241 transitions. [2025-03-17 15:10:16,350 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 241 transitions. Word has length 50 [2025-03-17 15:10:16,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:16,350 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 241 transitions. [2025-03-17 15:10:16,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 241 transitions. [2025-03-17 15:10:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:10:16,351 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:16,351 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:16,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 15:10:16,351 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:16,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1390029246, now seen corresponding path program 1 times [2025-03-17 15:10:16,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:16,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227990917] [2025-03-17 15:10:16,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:16,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:16,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:10:16,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:10:16,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:16,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:16,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:16,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227990917] [2025-03-17 15:10:16,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227990917] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:16,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:16,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:16,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385801797] [2025-03-17 15:10:16,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:16,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:16,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:16,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:16,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:16,413 INFO L87 Difference]: Start difference. First operand 185 states and 241 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:16,531 INFO L93 Difference]: Finished difference Result 218 states and 266 transitions. [2025-03-17 15:10:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:10:16,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2025-03-17 15:10:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:16,532 INFO L225 Difference]: With dead ends: 218 [2025-03-17 15:10:16,532 INFO L226 Difference]: Without dead ends: 216 [2025-03-17 15:10:16,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:16,532 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 130 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:16,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 89 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-03-17 15:10:16,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 187. [2025-03-17 15:10:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.5112781954887218) internal successors, (201), 164 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:10:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 241 transitions. [2025-03-17 15:10:16,541 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 241 transitions. Word has length 51 [2025-03-17 15:10:16,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:16,541 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 241 transitions. [2025-03-17 15:10:16,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 241 transitions. [2025-03-17 15:10:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 15:10:16,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:16,542 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:16,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 15:10:16,545 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:16,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash -83276209, now seen corresponding path program 1 times [2025-03-17 15:10:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:16,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180742718] [2025-03-17 15:10:16,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:16,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:16,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:10:16,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:10:16,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:16,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:16,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:16,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180742718] [2025-03-17 15:10:16,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180742718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:16,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:16,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:10:16,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516585799] [2025-03-17 15:10:16,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:16,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:10:16,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:16,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:10:16,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:10:16,588 INFO L87 Difference]: Start difference. First operand 187 states and 241 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:16,628 INFO L93 Difference]: Finished difference Result 193 states and 241 transitions. [2025-03-17 15:10:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:10:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2025-03-17 15:10:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:16,630 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:10:16,630 INFO L226 Difference]: Without dead ends: 192 [2025-03-17 15:10:16,631 INFO L434 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 [2025-03-17 15:10:16,631 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:16,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-03-17 15:10:16,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187. [2025-03-17 15:10:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.5037593984962405) internal successors, (200), 164 states have internal predecessors, (200), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:10:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 240 transitions. [2025-03-17 15:10:16,659 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 240 transitions. Word has length 53 [2025-03-17 15:10:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:16,659 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 240 transitions. [2025-03-17 15:10:16,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 240 transitions. [2025-03-17 15:10:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 15:10:16,660 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:16,660 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:16,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 15:10:16,660 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:16,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:16,660 INFO L85 PathProgramCache]: Analyzing trace with hash -83276161, now seen corresponding path program 1 times [2025-03-17 15:10:16,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:16,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84631869] [2025-03-17 15:10:16,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:16,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:16,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:10:16,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:10:16,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:16,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:16,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:16,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84631869] [2025-03-17 15:10:16,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84631869] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:16,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:16,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:16,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689811065] [2025-03-17 15:10:16,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:16,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:16,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:16,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:16,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:16,756 INFO L87 Difference]: Start difference. First operand 187 states and 240 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:10:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:16,806 INFO L93 Difference]: Finished difference Result 187 states and 240 transitions. [2025-03-17 15:10:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:16,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2025-03-17 15:10:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:16,808 INFO L225 Difference]: With dead ends: 187 [2025-03-17 15:10:16,808 INFO L226 Difference]: Without dead ends: 186 [2025-03-17 15:10:16,808 INFO L434 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 [2025-03-17 15:10:16,810 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 62 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:16,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 60 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:16,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-03-17 15:10:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2025-03-17 15:10:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 133 states have (on average 1.4736842105263157) internal successors, (196), 163 states have internal predecessors, (196), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:10:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 236 transitions. [2025-03-17 15:10:16,819 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 236 transitions. Word has length 53 [2025-03-17 15:10:16,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:16,819 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 236 transitions. [2025-03-17 15:10:16,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:10:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 236 transitions. [2025-03-17 15:10:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 15:10:16,820 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:16,821 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:16,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:10:16,821 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:16,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:16,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1713404801, now seen corresponding path program 1 times [2025-03-17 15:10:16,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:16,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747413649] [2025-03-17 15:10:16,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:16,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:10:16,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:10:16,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:16,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:16,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747413649] [2025-03-17 15:10:16,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747413649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:16,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:16,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:10:16,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267241065] [2025-03-17 15:10:16,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:16,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:10:16,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:16,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:10:16,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:16,873 INFO L87 Difference]: Start difference. First operand 186 states and 236 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:10:16,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:16,964 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2025-03-17 15:10:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:10:16,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2025-03-17 15:10:16,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:16,966 INFO L225 Difference]: With dead ends: 295 [2025-03-17 15:10:16,966 INFO L226 Difference]: Without dead ends: 294 [2025-03-17 15:10:16,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:10:16,967 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 192 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:16,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 213 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2025-03-17 15:10:16,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 263. [2025-03-17 15:10:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 200 states have (on average 1.525) internal successors, (305), 230 states have internal predecessors, (305), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:10:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 365 transitions. [2025-03-17 15:10:16,980 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 365 transitions. Word has length 54 [2025-03-17 15:10:16,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:16,981 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 365 transitions. [2025-03-17 15:10:16,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:10:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 365 transitions. [2025-03-17 15:10:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 15:10:16,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:16,981 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:16,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 15:10:16,982 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:16,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1713406306, now seen corresponding path program 1 times [2025-03-17 15:10:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:16,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965285803] [2025-03-17 15:10:16,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:16,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:10:16,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:10:16,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:16,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:17,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:17,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965285803] [2025-03-17 15:10:17,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965285803] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:17,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:17,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:10:17,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612834889] [2025-03-17 15:10:17,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:17,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:10:17,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:17,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:10:17,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:10:17,055 INFO L87 Difference]: Start difference. First operand 263 states and 365 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:17,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:17,351 INFO L93 Difference]: Finished difference Result 370 states and 510 transitions. [2025-03-17 15:10:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:10:17,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2025-03-17 15:10:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:17,353 INFO L225 Difference]: With dead ends: 370 [2025-03-17 15:10:17,353 INFO L226 Difference]: Without dead ends: 369 [2025-03-17 15:10:17,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:10:17,354 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 316 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:17,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 273 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-17 15:10:17,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 333. [2025-03-17 15:10:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 260 states have (on average 1.5153846153846153) internal successors, (394), 290 states have internal predecessors, (394), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 15:10:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 474 transitions. [2025-03-17 15:10:17,371 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 474 transitions. Word has length 54 [2025-03-17 15:10:17,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:17,372 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 474 transitions. [2025-03-17 15:10:17,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:17,372 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 474 transitions. [2025-03-17 15:10:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 15:10:17,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:17,372 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:17,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 15:10:17,373 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:17,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:17,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1575941261, now seen corresponding path program 1 times [2025-03-17 15:10:17,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:17,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564993150] [2025-03-17 15:10:17,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:17,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 15:10:17,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 15:10:17,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:17,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:17,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:17,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564993150] [2025-03-17 15:10:17,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564993150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:17,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:17,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:17,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561370982] [2025-03-17 15:10:17,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:17,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:17,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:17,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:17,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:17,430 INFO L87 Difference]: Start difference. First operand 333 states and 474 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:17,567 INFO L93 Difference]: Finished difference Result 360 states and 495 transitions. [2025-03-17 15:10:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:17,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2025-03-17 15:10:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:17,570 INFO L225 Difference]: With dead ends: 360 [2025-03-17 15:10:17,570 INFO L226 Difference]: Without dead ends: 358 [2025-03-17 15:10:17,570 INFO L434 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 [2025-03-17 15:10:17,570 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 47 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:17,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 177 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:17,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2025-03-17 15:10:17,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 337. [2025-03-17 15:10:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 264 states have (on average 1.5075757575757576) internal successors, (398), 294 states have internal predecessors, (398), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 15:10:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 478 transitions. [2025-03-17 15:10:17,587 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 478 transitions. Word has length 55 [2025-03-17 15:10:17,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:17,587 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 478 transitions. [2025-03-17 15:10:17,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 478 transitions. [2025-03-17 15:10:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 15:10:17,588 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:17,588 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:17,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 15:10:17,588 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:17,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:17,588 INFO L85 PathProgramCache]: Analyzing trace with hash 756002649, now seen corresponding path program 1 times [2025-03-17 15:10:17,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:17,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833253570] [2025-03-17 15:10:17,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:17,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:10:17,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:10:17,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:17,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:17,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:17,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833253570] [2025-03-17 15:10:17,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833253570] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:17,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886721621] [2025-03-17 15:10:17,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:17,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:17,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:17,655 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) [2025-03-17 15:10:17,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:10:17,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:10:17,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:10:17,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:17,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:17,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:10:17,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:10:17,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:17,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886721621] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:17,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:10:17,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2025-03-17 15:10:17,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926574733] [2025-03-17 15:10:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:17,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:10:17,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:17,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:10:17,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:10:17,889 INFO L87 Difference]: Start difference. First operand 337 states and 478 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:18,006 INFO L93 Difference]: Finished difference Result 372 states and 503 transitions. [2025-03-17 15:10:18,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:10:18,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2025-03-17 15:10:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:18,009 INFO L225 Difference]: With dead ends: 372 [2025-03-17 15:10:18,009 INFO L226 Difference]: Without dead ends: 370 [2025-03-17 15:10:18,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:10:18,009 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 84 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:18,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 391 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:10:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-03-17 15:10:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 345. [2025-03-17 15:10:18,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 270 states have (on average 1.4666666666666666) internal successors, (396), 300 states have internal predecessors, (396), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 15:10:18,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 476 transitions. [2025-03-17 15:10:18,026 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 476 transitions. Word has length 59 [2025-03-17 15:10:18,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:18,027 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 476 transitions. [2025-03-17 15:10:18,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:10:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 476 transitions. [2025-03-17 15:10:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:10:18,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:18,027 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:18,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:18,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:18,228 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:18,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash 669074286, now seen corresponding path program 1 times [2025-03-17 15:10:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:18,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941564708] [2025-03-17 15:10:18,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:18,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:10:18,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:10:18,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:18,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:18,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:18,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941564708] [2025-03-17 15:10:18,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941564708] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:18,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507725474] [2025-03-17 15:10:18,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:18,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:18,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:18,305 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) [2025-03-17 15:10:18,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:10:18,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:10:18,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:10:18,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:18,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:18,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:10:18,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:10:18,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:10:18,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507725474] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:18,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-03-17 15:10:18,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978577278] [2025-03-17 15:10:18,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:18,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:10:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:18,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:10:18,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:10:18,516 INFO L87 Difference]: Start difference. First operand 345 states and 476 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-03-17 15:10:18,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:18,684 INFO L93 Difference]: Finished difference Result 636 states and 825 transitions. [2025-03-17 15:10:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:10:18,685 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 61 [2025-03-17 15:10:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:18,686 INFO L225 Difference]: With dead ends: 636 [2025-03-17 15:10:18,687 INFO L226 Difference]: Without dead ends: 477 [2025-03-17 15:10:18,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:10:18,688 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 133 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:18,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 542 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-03-17 15:10:18,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 432. [2025-03-17 15:10:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 343 states have (on average 1.434402332361516) internal successors, (492), 375 states have internal predecessors, (492), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2025-03-17 15:10:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 592 transitions. [2025-03-17 15:10:18,721 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 592 transitions. Word has length 61 [2025-03-17 15:10:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:18,721 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 592 transitions. [2025-03-17 15:10:18,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-03-17 15:10:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 592 transitions. [2025-03-17 15:10:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:10:18,723 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:18,723 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:18,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:18,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:18,924 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:18,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:18,925 INFO L85 PathProgramCache]: Analyzing trace with hash 381791144, now seen corresponding path program 1 times [2025-03-17 15:10:18,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:18,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697642109] [2025-03-17 15:10:18,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:18,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:18,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:10:18,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:10:18,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:18,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:18,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626068517] [2025-03-17 15:10:18,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:18,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:18,940 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) [2025-03-17 15:10:18,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:10:18,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:10:18,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:10:18,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:18,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:18,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:10:18,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:10:19,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:19,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697642109] [2025-03-17 15:10:19,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626068517] [2025-03-17 15:10:19,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626068517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:19,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:19,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:10:19,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505731106] [2025-03-17 15:10:19,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:19,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:10:19,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:19,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:10:19,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:10:19,225 INFO L87 Difference]: Start difference. First operand 432 states and 592 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:19,585 INFO L93 Difference]: Finished difference Result 625 states and 866 transitions. [2025-03-17 15:10:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:10:19,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2025-03-17 15:10:19,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:19,587 INFO L225 Difference]: With dead ends: 625 [2025-03-17 15:10:19,587 INFO L226 Difference]: Without dead ends: 616 [2025-03-17 15:10:19,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:19,588 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 290 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:19,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 192 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:19,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2025-03-17 15:10:19,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 587. [2025-03-17 15:10:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 478 states have (on average 1.4079497907949792) internal successors, (673), 510 states have internal predecessors, (673), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2025-03-17 15:10:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 813 transitions. [2025-03-17 15:10:19,622 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 813 transitions. Word has length 68 [2025-03-17 15:10:19,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:19,622 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 813 transitions. [2025-03-17 15:10:19,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 813 transitions. [2025-03-17 15:10:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:10:19,623 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:19,623 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:19,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:19,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:19,824 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:19,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:19,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1049376381, now seen corresponding path program 1 times [2025-03-17 15:10:19,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:19,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098134860] [2025-03-17 15:10:19,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:19,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:19,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:10:19,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:10:19,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:19,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:19,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232500214] [2025-03-17 15:10:19,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:19,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:19,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:19,839 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) [2025-03-17 15:10:19,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:10:19,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:10:19,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:10:19,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:19,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:19,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:10:19,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:10:20,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:20,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:20,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098134860] [2025-03-17 15:10:20,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:20,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232500214] [2025-03-17 15:10:20,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232500214] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:20,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:20,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:10:20,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649447236] [2025-03-17 15:10:20,315 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:20,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:10:20,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:20,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:10:20,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:20,316 INFO L87 Difference]: Start difference. First operand 587 states and 813 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:20,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:20,544 INFO L93 Difference]: Finished difference Result 656 states and 893 transitions. [2025-03-17 15:10:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:10:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2025-03-17 15:10:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:20,546 INFO L225 Difference]: With dead ends: 656 [2025-03-17 15:10:20,546 INFO L226 Difference]: Without dead ends: 653 [2025-03-17 15:10:20,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:10:20,549 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 228 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:20,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 198 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:20,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-17 15:10:20,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 618. [2025-03-17 15:10:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 505 states have (on average 1.4059405940594059) internal successors, (710), 536 states have internal predecessors, (710), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2025-03-17 15:10:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 858 transitions. [2025-03-17 15:10:20,576 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 858 transitions. Word has length 69 [2025-03-17 15:10:20,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:20,576 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 858 transitions. [2025-03-17 15:10:20,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 858 transitions. [2025-03-17 15:10:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 15:10:20,577 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:20,577 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:20,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 15:10:20,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-17 15:10:20,778 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:20,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:20,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1829070598, now seen corresponding path program 1 times [2025-03-17 15:10:20,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:20,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515622056] [2025-03-17 15:10:20,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:20,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:20,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:10:20,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:10:20,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:20,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:10:20,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:20,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515622056] [2025-03-17 15:10:20,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515622056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:20,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:20,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:10:20,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152189728] [2025-03-17 15:10:20,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:20,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:10:20,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:20,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:10:20,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:20,837 INFO L87 Difference]: Start difference. First operand 618 states and 858 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:21,201 INFO L93 Difference]: Finished difference Result 892 states and 1262 transitions. [2025-03-17 15:10:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:10:21,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-03-17 15:10:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:21,205 INFO L225 Difference]: With dead ends: 892 [2025-03-17 15:10:21,205 INFO L226 Difference]: Without dead ends: 889 [2025-03-17 15:10:21,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:10:21,206 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 148 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:21,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 240 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:21,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2025-03-17 15:10:21,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 637. [2025-03-17 15:10:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 521 states have (on average 1.3896353166986564) internal successors, (724), 551 states have internal predecessors, (724), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-17 15:10:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 880 transitions. [2025-03-17 15:10:21,237 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 880 transitions. Word has length 70 [2025-03-17 15:10:21,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:21,237 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 880 transitions. [2025-03-17 15:10:21,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 880 transitions. [2025-03-17 15:10:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 15:10:21,238 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:21,238 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:21,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-17 15:10:21,238 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:21,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash 580351158, now seen corresponding path program 1 times [2025-03-17 15:10:21,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:21,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519997381] [2025-03-17 15:10:21,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:21,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:10:21,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:10:21,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:21,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:21,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1751560620] [2025-03-17 15:10:21,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:21,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:21,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:21,250 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) [2025-03-17 15:10:21,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:10:21,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:10:21,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:10:21,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:21,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:21,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:10:21,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:10:21,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:21,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519997381] [2025-03-17 15:10:21,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751560620] [2025-03-17 15:10:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751560620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:10:21,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81659462] [2025-03-17 15:10:21,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:21,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:10:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:21,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:10:21,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:10:21,411 INFO L87 Difference]: Start difference. First operand 637 states and 880 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:21,608 INFO L93 Difference]: Finished difference Result 660 states and 916 transitions. [2025-03-17 15:10:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:10:21,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-03-17 15:10:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:21,611 INFO L225 Difference]: With dead ends: 660 [2025-03-17 15:10:21,611 INFO L226 Difference]: Without dead ends: 656 [2025-03-17 15:10:21,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:10:21,612 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 158 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:21,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 210 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:21,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2025-03-17 15:10:21,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 633. [2025-03-17 15:10:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 521 states have (on average 1.36468330134357) internal successors, (711), 547 states have internal predecessors, (711), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-17 15:10:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 867 transitions. [2025-03-17 15:10:21,658 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 867 transitions. Word has length 70 [2025-03-17 15:10:21,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:21,658 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 867 transitions. [2025-03-17 15:10:21,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:21,658 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 867 transitions. [2025-03-17 15:10:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:10:21,659 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:21,659 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:21,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:10:21,859 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,SelfDestructingSolverStorable23 [2025-03-17 15:10:21,859 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:21,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:21,860 INFO L85 PathProgramCache]: Analyzing trace with hash 866613729, now seen corresponding path program 1 times [2025-03-17 15:10:21,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:21,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140981447] [2025-03-17 15:10:21,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:21,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:21,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:10:21,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:10:21,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:21,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:21,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709155925] [2025-03-17 15:10:21,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:21,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:21,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:21,875 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) [2025-03-17 15:10:21,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:10:21,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:10:21,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:10:21,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:21,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:21,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:10:21,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:10:22,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:26,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140981447] [2025-03-17 15:10:26,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709155925] [2025-03-17 15:10:26,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709155925] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:26,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:26,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:10:26,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763573805] [2025-03-17 15:10:26,234 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:26,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:10:26,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:26,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:10:26,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2025-03-17 15:10:26,235 INFO L87 Difference]: Start difference. First operand 633 states and 867 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:26,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:26,550 INFO L93 Difference]: Finished difference Result 660 states and 883 transitions. [2025-03-17 15:10:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:10:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-03-17 15:10:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:26,554 INFO L225 Difference]: With dead ends: 660 [2025-03-17 15:10:26,554 INFO L226 Difference]: Without dead ends: 653 [2025-03-17 15:10:26,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=52, Invalid=157, Unknown=1, NotChecked=0, Total=210 [2025-03-17 15:10:26,554 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 270 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:26,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 240 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:26,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-17 15:10:26,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 631. [2025-03-17 15:10:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 519 states have (on average 1.3583815028901733) internal successors, (705), 545 states have internal predecessors, (705), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-17 15:10:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 861 transitions. [2025-03-17 15:10:26,588 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 861 transitions. Word has length 71 [2025-03-17 15:10:26,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:26,588 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 861 transitions. [2025-03-17 15:10:26,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 861 transitions. [2025-03-17 15:10:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:10:26,590 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:26,590 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:26,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:26,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-17 15:10:26,790 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:26,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:26,791 INFO L85 PathProgramCache]: Analyzing trace with hash 811016736, now seen corresponding path program 1 times [2025-03-17 15:10:26,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:26,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087331099] [2025-03-17 15:10:26,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:26,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:26,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:10:26,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:10:26,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:26,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:26,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264643811] [2025-03-17 15:10:26,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:26,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:26,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:26,808 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) [2025-03-17 15:10:26,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:10:26,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:10:26,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:10:26,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:26,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:26,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:10:26,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:10:26,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:27,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087331099] [2025-03-17 15:10:27,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264643811] [2025-03-17 15:10:27,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264643811] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:27,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:27,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:10:27,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145481264] [2025-03-17 15:10:27,111 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:27,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:10:27,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:27,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:10:27,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:10:27,113 INFO L87 Difference]: Start difference. First operand 631 states and 861 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:27,354 INFO L93 Difference]: Finished difference Result 999 states and 1423 transitions. [2025-03-17 15:10:27,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:10:27,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-03-17 15:10:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:27,357 INFO L225 Difference]: With dead ends: 999 [2025-03-17 15:10:27,357 INFO L226 Difference]: Without dead ends: 995 [2025-03-17 15:10:27,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:10:27,358 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 154 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:27,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 293 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:27,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2025-03-17 15:10:27,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 788. [2025-03-17 15:10:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 656 states have (on average 1.3643292682926829) internal successors, (895), 681 states have internal predecessors, (895), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2025-03-17 15:10:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1091 transitions. [2025-03-17 15:10:27,393 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1091 transitions. Word has length 71 [2025-03-17 15:10:27,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:27,394 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1091 transitions. [2025-03-17 15:10:27,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:10:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1091 transitions. [2025-03-17 15:10:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 15:10:27,396 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:27,396 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:27,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:27,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-17 15:10:27,596 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:27,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:27,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1948310907, now seen corresponding path program 1 times [2025-03-17 15:10:27,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:27,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869639059] [2025-03-17 15:10:27,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:27,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:27,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:10:27,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:10:27,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:27,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:27,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:27,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869639059] [2025-03-17 15:10:27,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869639059] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:27,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534262097] [2025-03-17 15:10:27,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:27,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:27,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:27,648 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) [2025-03-17 15:10:27,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:10:27,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:10:27,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:10:27,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:27,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:27,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:10:27,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:27,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:27,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534262097] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:27,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:27,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-17 15:10:27,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317793228] [2025-03-17 15:10:27,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:27,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:10:27,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:27,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:10:27,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:10:27,838 INFO L87 Difference]: Start difference. First operand 788 states and 1091 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-03-17 15:10:28,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:28,330 INFO L93 Difference]: Finished difference Result 1320 states and 1884 transitions. [2025-03-17 15:10:28,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:10:28,330 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 91 [2025-03-17 15:10:28,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:28,335 INFO L225 Difference]: With dead ends: 1320 [2025-03-17 15:10:28,336 INFO L226 Difference]: Without dead ends: 1318 [2025-03-17 15:10:28,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:28,336 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 286 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:28,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 391 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:10:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2025-03-17 15:10:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1033. [2025-03-17 15:10:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 860 states have (on average 1.3709302325581396) internal successors, (1179), 884 states have internal predecessors, (1179), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-03-17 15:10:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1459 transitions. [2025-03-17 15:10:28,386 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1459 transitions. Word has length 91 [2025-03-17 15:10:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:28,386 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1459 transitions. [2025-03-17 15:10:28,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-03-17 15:10:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1459 transitions. [2025-03-17 15:10:28,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 15:10:28,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:28,387 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:28,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:28,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:28,588 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:28,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:28,589 INFO L85 PathProgramCache]: Analyzing trace with hash 268095980, now seen corresponding path program 1 times [2025-03-17 15:10:28,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:28,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968613639] [2025-03-17 15:10:28,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:28,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:28,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 15:10:28,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 15:10:28,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:28,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:28,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:28,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968613639] [2025-03-17 15:10:28,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968613639] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:28,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975803281] [2025-03-17 15:10:28,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:28,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:28,649 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:28,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:10:28,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 15:10:28,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 15:10:28,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:28,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:28,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:10:28,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:28,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:28,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975803281] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:28,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:28,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-17 15:10:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396400166] [2025-03-17 15:10:28,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:28,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:10:28,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:28,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:10:28,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:10:28,857 INFO L87 Difference]: Start difference. First operand 1033 states and 1459 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-03-17 15:10:29,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:29,390 INFO L93 Difference]: Finished difference Result 1350 states and 1891 transitions. [2025-03-17 15:10:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:10:29,390 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 92 [2025-03-17 15:10:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:29,395 INFO L225 Difference]: With dead ends: 1350 [2025-03-17 15:10:29,395 INFO L226 Difference]: Without dead ends: 1348 [2025-03-17 15:10:29,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:10:29,396 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 1103 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:29,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 408 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:10:29,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2025-03-17 15:10:29,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1037. [2025-03-17 15:10:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 865 states have (on average 1.3329479768786128) internal successors, (1153), 888 states have internal predecessors, (1153), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-03-17 15:10:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1433 transitions. [2025-03-17 15:10:29,446 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1433 transitions. Word has length 92 [2025-03-17 15:10:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:29,447 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1433 transitions. [2025-03-17 15:10:29,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-03-17 15:10:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1433 transitions. [2025-03-17 15:10:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:10:29,447 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:29,447 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:29,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-17 15:10:29,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-17 15:10:29,648 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:29,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:29,648 INFO L85 PathProgramCache]: Analyzing trace with hash -57800839, now seen corresponding path program 1 times [2025-03-17 15:10:29,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:29,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679930410] [2025-03-17 15:10:29,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:29,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:29,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:10:29,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:10:29,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:29,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:29,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:29,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679930410] [2025-03-17 15:10:29,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679930410] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:29,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:29,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:10:29,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528613208] [2025-03-17 15:10:29,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:29,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:10:29,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:29,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:10:29,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:10:29,690 INFO L87 Difference]: Start difference. First operand 1037 states and 1433 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:10:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:29,796 INFO L93 Difference]: Finished difference Result 1037 states and 1433 transitions. [2025-03-17 15:10:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:10:29,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2025-03-17 15:10:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:29,800 INFO L225 Difference]: With dead ends: 1037 [2025-03-17 15:10:29,800 INFO L226 Difference]: Without dead ends: 1036 [2025-03-17 15:10:29,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:29,801 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 20 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:29,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:29,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2025-03-17 15:10:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1036. [2025-03-17 15:10:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 865 states have (on average 1.322543352601156) internal successors, (1144), 887 states have internal predecessors, (1144), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-03-17 15:10:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1424 transitions. [2025-03-17 15:10:29,871 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1424 transitions. Word has length 94 [2025-03-17 15:10:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:29,872 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1424 transitions. [2025-03-17 15:10:29,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:10:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1424 transitions. [2025-03-17 15:10:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:10:29,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:29,873 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:29,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-17 15:10:29,873 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:29,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:29,874 INFO L85 PathProgramCache]: Analyzing trace with hash 287968055, now seen corresponding path program 1 times [2025-03-17 15:10:29,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:29,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491265551] [2025-03-17 15:10:29,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:29,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:29,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:10:29,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:10:29,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:29,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:29,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:29,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491265551] [2025-03-17 15:10:29,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491265551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:29,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064156633] [2025-03-17 15:10:29,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:29,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:29,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:29,938 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:29,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:10:29,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:10:29,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:10:29,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:29,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:29,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:10:29,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:30,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:30,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064156633] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:30,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:30,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-03-17 15:10:30,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316805146] [2025-03-17 15:10:30,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:30,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:10:30,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:30,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:10:30,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:10:30,089 INFO L87 Difference]: Start difference. First operand 1036 states and 1424 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:10:30,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:30,241 INFO L93 Difference]: Finished difference Result 1054 states and 1455 transitions. [2025-03-17 15:10:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:10:30,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2025-03-17 15:10:30,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:30,245 INFO L225 Difference]: With dead ends: 1054 [2025-03-17 15:10:30,245 INFO L226 Difference]: Without dead ends: 1053 [2025-03-17 15:10:30,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:10:30,245 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:30,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 147 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:30,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2025-03-17 15:10:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1035. [2025-03-17 15:10:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 865 states have (on average 1.3144508670520232) internal successors, (1137), 886 states have internal predecessors, (1137), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-03-17 15:10:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1417 transitions. [2025-03-17 15:10:30,310 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1417 transitions. Word has length 96 [2025-03-17 15:10:30,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:30,310 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1417 transitions. [2025-03-17 15:10:30,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:10:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1417 transitions. [2025-03-17 15:10:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-17 15:10:30,311 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:30,311 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:30,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:30,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:30,512 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:30,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash 337075093, now seen corresponding path program 1 times [2025-03-17 15:10:30,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:30,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114619288] [2025-03-17 15:10:30,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:30,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:30,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:10:30,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:10:30,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:30,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:30,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:30,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114619288] [2025-03-17 15:10:30,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114619288] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:30,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453088309] [2025-03-17 15:10:30,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:30,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:30,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:30,573 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:30,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:10:30,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:10:30,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:10:30,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:30,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:30,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:10:30,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:30,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:10:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453088309] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:30,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:30,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-17 15:10:30,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380099342] [2025-03-17 15:10:30,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:30,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:10:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:30,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:10:30,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:10:30,822 INFO L87 Difference]: Start difference. First operand 1035 states and 1417 transitions. Second operand has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-17 15:10:31,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:31,200 INFO L93 Difference]: Finished difference Result 1430 states and 1977 transitions. [2025-03-17 15:10:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:10:31,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 97 [2025-03-17 15:10:31,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:31,205 INFO L225 Difference]: With dead ends: 1430 [2025-03-17 15:10:31,205 INFO L226 Difference]: Without dead ends: 1428 [2025-03-17 15:10:31,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:10:31,207 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 291 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:31,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 370 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:31,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2025-03-17 15:10:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1185. [2025-03-17 15:10:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 997 states have (on average 1.312938816449348) internal successors, (1309), 1018 states have internal predecessors, (1309), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2025-03-17 15:10:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1625 transitions. [2025-03-17 15:10:31,267 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1625 transitions. Word has length 97 [2025-03-17 15:10:31,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:31,269 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1625 transitions. [2025-03-17 15:10:31,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-17 15:10:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1625 transitions. [2025-03-17 15:10:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 15:10:31,270 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:31,270 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:31,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:31,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:31,470 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:31,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1136842018, now seen corresponding path program 1 times [2025-03-17 15:10:31,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:31,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401333407] [2025-03-17 15:10:31,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:31,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:10:31,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:10:31,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:31,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:31,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:31,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401333407] [2025-03-17 15:10:31,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401333407] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:31,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25357906] [2025-03-17 15:10:31,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:31,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:31,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:31,542 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:31,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:10:31,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:10:31,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:10:31,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:31,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:31,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:10:31,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:31,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:31,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25357906] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:31,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:31,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-03-17 15:10:31,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702990154] [2025-03-17 15:10:31,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:31,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:31,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:31,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:31,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:31,842 INFO L87 Difference]: Start difference. First operand 1185 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-03-17 15:10:32,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:32,237 INFO L93 Difference]: Finished difference Result 1230 states and 1673 transitions. [2025-03-17 15:10:32,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:10:32,238 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2025-03-17 15:10:32,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:32,241 INFO L225 Difference]: With dead ends: 1230 [2025-03-17 15:10:32,241 INFO L226 Difference]: Without dead ends: 1229 [2025-03-17 15:10:32,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 208 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:10:32,242 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 390 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:32,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 373 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2025-03-17 15:10:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1114. [2025-03-17 15:10:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 937 states have (on average 1.3094983991462112) internal successors, (1227), 957 states have internal predecessors, (1227), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2025-03-17 15:10:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1523 transitions. [2025-03-17 15:10:32,293 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1523 transitions. Word has length 107 [2025-03-17 15:10:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:32,294 INFO L471 AbstractCegarLoop]: Abstraction has 1114 states and 1523 transitions. [2025-03-17 15:10:32,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-03-17 15:10:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1523 transitions. [2025-03-17 15:10:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:10:32,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:32,295 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:32,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:32,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:32,499 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:32,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:32,499 INFO L85 PathProgramCache]: Analyzing trace with hash -939378370, now seen corresponding path program 1 times [2025-03-17 15:10:32,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:32,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842211074] [2025-03-17 15:10:32,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:32,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:10:32,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:10:32,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:32,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:32,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869623423] [2025-03-17 15:10:32,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:32,514 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:32,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:10:32,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:10:32,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:10:32,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:32,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:32,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:10:32,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:32,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:33,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842211074] [2025-03-17 15:10:33,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869623423] [2025-03-17 15:10:33,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869623423] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:33,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:33,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:10:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759407976] [2025-03-17 15:10:33,050 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:33,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:33,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:33,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:33,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:10:33,051 INFO L87 Difference]: Start difference. First operand 1114 states and 1523 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:10:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:33,699 INFO L93 Difference]: Finished difference Result 2137 states and 2989 transitions. [2025-03-17 15:10:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:10:33,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 109 [2025-03-17 15:10:33,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:33,706 INFO L225 Difference]: With dead ends: 2137 [2025-03-17 15:10:33,706 INFO L226 Difference]: Without dead ends: 2134 [2025-03-17 15:10:33,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:10:33,707 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 247 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:33,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 437 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:10:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2025-03-17 15:10:33,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1170. [2025-03-17 15:10:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 984 states have (on average 1.3089430894308942) internal successors, (1288), 1004 states have internal predecessors, (1288), 157 states have call successors, (157), 8 states have call predecessors, (157), 8 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2025-03-17 15:10:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1602 transitions. [2025-03-17 15:10:33,783 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1602 transitions. Word has length 109 [2025-03-17 15:10:33,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:33,783 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1602 transitions. [2025-03-17 15:10:33,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:10:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1602 transitions. [2025-03-17 15:10:33,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:10:33,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:33,785 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:33,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:33,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:33,986 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:33,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1955201778, now seen corresponding path program 1 times [2025-03-17 15:10:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:33,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597383573] [2025-03-17 15:10:33,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:33,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:10:33,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:10:33,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:33,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:34,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:34,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597383573] [2025-03-17 15:10:34,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597383573] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:34,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480195013] [2025-03-17 15:10:34,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:34,075 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:34,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:10:34,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:10:34,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:10:34,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:34,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:34,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:10:34,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 15:10:34,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:34,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480195013] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:34,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:34,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2025-03-17 15:10:34,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491310633] [2025-03-17 15:10:34,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:34,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-17 15:10:34,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:34,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-17 15:10:34,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:10:34,413 INFO L87 Difference]: Start difference. First operand 1170 states and 1602 transitions. Second operand has 24 states, 23 states have (on average 8.0) internal successors, (184), 24 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-03-17 15:10:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:34,898 INFO L93 Difference]: Finished difference Result 1899 states and 2515 transitions. [2025-03-17 15:10:34,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-17 15:10:34,899 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.0) internal successors, (184), 24 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 109 [2025-03-17 15:10:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:34,918 INFO L225 Difference]: With dead ends: 1899 [2025-03-17 15:10:34,918 INFO L226 Difference]: Without dead ends: 1637 [2025-03-17 15:10:34,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2025-03-17 15:10:34,919 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 452 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:34,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 849 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:34,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2025-03-17 15:10:35,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1440. [2025-03-17 15:10:35,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1215 states have (on average 1.288888888888889) internal successors, (1566), 1235 states have internal predecessors, (1566), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2025-03-17 15:10:35,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1946 transitions. [2025-03-17 15:10:35,032 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1946 transitions. Word has length 109 [2025-03-17 15:10:35,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:35,033 INFO L471 AbstractCegarLoop]: Abstraction has 1440 states and 1946 transitions. [2025-03-17 15:10:35,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.0) internal successors, (184), 24 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-03-17 15:10:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1946 transitions. [2025-03-17 15:10:35,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 15:10:35,034 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:35,034 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:35,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-17 15:10:35,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-03-17 15:10:35,235 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:35,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:35,235 INFO L85 PathProgramCache]: Analyzing trace with hash 944041645, now seen corresponding path program 1 times [2025-03-17 15:10:35,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:35,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969619495] [2025-03-17 15:10:35,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:35,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:35,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:10:35,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:10:35,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:35,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:35,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289597433] [2025-03-17 15:10:35,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:35,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:35,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:35,252 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:35,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:10:35,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:10:35,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:10:35,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:35,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:35,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:10:35,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:35,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:35,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:35,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969619495] [2025-03-17 15:10:35,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:35,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289597433] [2025-03-17 15:10:35,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289597433] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:35,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:35,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:10:35,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580222568] [2025-03-17 15:10:35,808 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:35,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:35,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:35,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:35,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:10:35,809 INFO L87 Difference]: Start difference. First operand 1440 states and 1946 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:10:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:36,180 INFO L93 Difference]: Finished difference Result 1586 states and 2133 transitions. [2025-03-17 15:10:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:10:36,182 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2025-03-17 15:10:36,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:36,186 INFO L225 Difference]: With dead ends: 1586 [2025-03-17 15:10:36,186 INFO L226 Difference]: Without dead ends: 1583 [2025-03-17 15:10:36,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:10:36,187 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 84 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:36,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 382 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:36,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2025-03-17 15:10:36,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1554. [2025-03-17 15:10:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1312 states have (on average 1.2873475609756098) internal successors, (1689), 1332 states have internal predecessors, (1689), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2025-03-17 15:10:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2103 transitions. [2025-03-17 15:10:36,266 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2103 transitions. Word has length 110 [2025-03-17 15:10:36,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:36,267 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 2103 transitions. [2025-03-17 15:10:36,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:10:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2103 transitions. [2025-03-17 15:10:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-17 15:10:36,268 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:36,268 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:36,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-17 15:10:36,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-03-17 15:10:36,468 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:36,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:36,469 INFO L85 PathProgramCache]: Analyzing trace with hash -799480036, now seen corresponding path program 1 times [2025-03-17 15:10:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:36,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124494086] [2025-03-17 15:10:36,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:36,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:36,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-17 15:10:36,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-17 15:10:36,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:36,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:36,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:36,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124494086] [2025-03-17 15:10:36,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124494086] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:36,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:36,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:10:36,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436485330] [2025-03-17 15:10:36,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:36,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:10:36,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:36,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:10:36,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:10:36,524 INFO L87 Difference]: Start difference. First operand 1554 states and 2103 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:10:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:36,845 INFO L93 Difference]: Finished difference Result 1561 states and 2106 transitions. [2025-03-17 15:10:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:10:36,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 111 [2025-03-17 15:10:36,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:36,850 INFO L225 Difference]: With dead ends: 1561 [2025-03-17 15:10:36,850 INFO L226 Difference]: Without dead ends: 1559 [2025-03-17 15:10:36,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:10:36,850 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 105 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:36,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 221 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:36,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2025-03-17 15:10:36,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1520. [2025-03-17 15:10:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1284 states have (on average 1.2788161993769471) internal successors, (1642), 1302 states have internal predecessors, (1642), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2025-03-17 15:10:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 2048 transitions. [2025-03-17 15:10:36,921 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 2048 transitions. Word has length 111 [2025-03-17 15:10:36,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:36,921 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 2048 transitions. [2025-03-17 15:10:36,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:10:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2048 transitions. [2025-03-17 15:10:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 15:10:36,922 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:36,922 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:36,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-17 15:10:36,923 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:36,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:36,923 INFO L85 PathProgramCache]: Analyzing trace with hash 985922699, now seen corresponding path program 1 times [2025-03-17 15:10:36,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:36,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291213412] [2025-03-17 15:10:36,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:36,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 15:10:36,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:10:36,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:36,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:36,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [898382526] [2025-03-17 15:10:36,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:36,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:36,935 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:36,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:10:36,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 15:10:36,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:10:36,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:36,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:36,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:10:36,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:10:37,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:41,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:41,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291213412] [2025-03-17 15:10:41,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:41,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898382526] [2025-03-17 15:10:41,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898382526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:41,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:41,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:10:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715304132] [2025-03-17 15:10:41,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:41,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:10:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:41,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:10:41,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2025-03-17 15:10:41,849 INFO L87 Difference]: Start difference. First operand 1520 states and 2048 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:10:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:42,251 INFO L93 Difference]: Finished difference Result 1542 states and 2060 transitions. [2025-03-17 15:10:42,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:10:42,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2025-03-17 15:10:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:42,258 INFO L225 Difference]: With dead ends: 1542 [2025-03-17 15:10:42,258 INFO L226 Difference]: Without dead ends: 1535 [2025-03-17 15:10:42,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2025-03-17 15:10:42,259 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 210 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:42,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 384 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2025-03-17 15:10:42,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1386. [2025-03-17 15:10:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1170 states have (on average 1.276068376068376) internal successors, (1493), 1189 states have internal predecessors, (1493), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-03-17 15:10:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1859 transitions. [2025-03-17 15:10:42,326 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1859 transitions. Word has length 112 [2025-03-17 15:10:42,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:42,326 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1859 transitions. [2025-03-17 15:10:42,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:10:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1859 transitions. [2025-03-17 15:10:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 15:10:42,327 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:42,327 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:42,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:42,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-17 15:10:42,528 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:42,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:42,528 INFO L85 PathProgramCache]: Analyzing trace with hash 930325706, now seen corresponding path program 2 times [2025-03-17 15:10:42,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:42,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530617555] [2025-03-17 15:10:42,528 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:42,533 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-17 15:10:42,542 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:10:42,542 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:42,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:42,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379265847] [2025-03-17 15:10:42,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:42,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:42,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:42,545 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:42,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:10:42,570 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-17 15:10:42,588 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:10:42,588 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:42,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:42,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:10:42,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-03-17 15:10:42,946 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:43,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:43,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530617555] [2025-03-17 15:10:43,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:43,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379265847] [2025-03-17 15:10:43,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379265847] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:43,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:43,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:10:43,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828731980] [2025-03-17 15:10:43,108 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:43,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:10:43,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:43,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:10:43,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:10:43,109 INFO L87 Difference]: Start difference. First operand 1386 states and 1859 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:10:43,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:43,510 INFO L93 Difference]: Finished difference Result 1788 states and 2399 transitions. [2025-03-17 15:10:43,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:10:43,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 112 [2025-03-17 15:10:43,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:43,517 INFO L225 Difference]: With dead ends: 1788 [2025-03-17 15:10:43,517 INFO L226 Difference]: Without dead ends: 1785 [2025-03-17 15:10:43,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:10:43,518 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 240 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:43,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 364 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2025-03-17 15:10:43,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1386. [2025-03-17 15:10:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1170 states have (on average 1.2735042735042734) internal successors, (1490), 1189 states have internal predecessors, (1490), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-03-17 15:10:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1856 transitions. [2025-03-17 15:10:43,600 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1856 transitions. Word has length 112 [2025-03-17 15:10:43,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:43,601 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1856 transitions. [2025-03-17 15:10:43,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:10:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1856 transitions. [2025-03-17 15:10:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-17 15:10:43,602 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:43,602 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:10:43,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-17 15:10:43,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:43,802 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:43,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2113370247, now seen corresponding path program 2 times [2025-03-17 15:10:43,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:43,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765949278] [2025-03-17 15:10:43,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:43,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:43,807 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 122 statements into 2 equivalence classes. [2025-03-17 15:10:43,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:10:43,816 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:43,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:10:43,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765949278] [2025-03-17 15:10:43,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765949278] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:43,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:43,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:10:43,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040636134] [2025-03-17 15:10:43,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:43,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:10:43,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:43,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:10:43,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:10:43,859 INFO L87 Difference]: Start difference. First operand 1386 states and 1856 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-03-17 15:10:44,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:44,262 INFO L93 Difference]: Finished difference Result 2417 states and 3290 transitions. [2025-03-17 15:10:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:10:44,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 122 [2025-03-17 15:10:44,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:44,266 INFO L225 Difference]: With dead ends: 2417 [2025-03-17 15:10:44,269 INFO L226 Difference]: Without dead ends: 1423 [2025-03-17 15:10:44,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:10:44,272 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 52 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:44,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 174 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2025-03-17 15:10:44,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1356. [2025-03-17 15:10:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1144 states have (on average 1.2858391608391608) internal successors, (1471), 1162 states have internal predecessors, (1471), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-03-17 15:10:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1833 transitions. [2025-03-17 15:10:44,343 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1833 transitions. Word has length 122 [2025-03-17 15:10:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:44,343 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1833 transitions. [2025-03-17 15:10:44,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-03-17 15:10:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1833 transitions. [2025-03-17 15:10:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-17 15:10:44,344 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:44,344 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:44,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-17 15:10:44,344 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:44,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1299479503, now seen corresponding path program 1 times [2025-03-17 15:10:44,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:44,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806914900] [2025-03-17 15:10:44,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:44,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:44,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 15:10:44,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 15:10:44,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:44,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:10:44,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:44,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806914900] [2025-03-17 15:10:44,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806914900] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:44,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719493642] [2025-03-17 15:10:44,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:44,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:44,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:44,466 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:44,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:10:44,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 15:10:44,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 15:10:44,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:44,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:44,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:10:44,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-03-17 15:10:44,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:10:44,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719493642] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:44,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:10:44,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2025-03-17 15:10:44,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251682519] [2025-03-17 15:10:44,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:44,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:10:44,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:44,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:10:44,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:10:44,793 INFO L87 Difference]: Start difference. First operand 1356 states and 1833 transitions. Second operand has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 22 states have internal predecessors, (151), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2025-03-17 15:10:45,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:45,146 INFO L93 Difference]: Finished difference Result 1989 states and 2634 transitions. [2025-03-17 15:10:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-17 15:10:45,147 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 22 states have internal predecessors, (151), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 124 [2025-03-17 15:10:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:45,151 INFO L225 Difference]: With dead ends: 1989 [2025-03-17 15:10:45,151 INFO L226 Difference]: Without dead ends: 1509 [2025-03-17 15:10:45,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2025-03-17 15:10:45,153 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 191 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:45,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 942 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:45,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2025-03-17 15:10:45,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1463. [2025-03-17 15:10:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1234 states have (on average 1.2649918962722853) internal successors, (1561), 1254 states have internal predecessors, (1561), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2025-03-17 15:10:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1941 transitions. [2025-03-17 15:10:45,238 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1941 transitions. Word has length 124 [2025-03-17 15:10:45,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:45,239 INFO L471 AbstractCegarLoop]: Abstraction has 1463 states and 1941 transitions. [2025-03-17 15:10:45,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 22 states have internal predecessors, (151), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2025-03-17 15:10:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1941 transitions. [2025-03-17 15:10:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-17 15:10:45,239 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:45,240 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:45,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:45,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-17 15:10:45,444 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:45,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:45,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1840157592, now seen corresponding path program 2 times [2025-03-17 15:10:45,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:45,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442507975] [2025-03-17 15:10:45,445 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:45,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:45,449 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-03-17 15:10:45,460 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-03-17 15:10:45,460 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:45,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:45,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118396978] [2025-03-17 15:10:45,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:45,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:45,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:45,462 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:45,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:10:45,490 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-03-17 15:10:45,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-03-17 15:10:45,512 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:45,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:45,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:10:45,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-17 15:10:45,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:10:45,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:45,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442507975] [2025-03-17 15:10:45,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:45,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118396978] [2025-03-17 15:10:45,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118396978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:45,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:45,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 15:10:45,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344024758] [2025-03-17 15:10:45,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:45,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:45,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:45,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:45,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:45,859 INFO L87 Difference]: Start difference. First operand 1463 states and 1941 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-03-17 15:10:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:46,290 INFO L93 Difference]: Finished difference Result 1942 states and 2626 transitions. [2025-03-17 15:10:46,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:10:46,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 150 [2025-03-17 15:10:46,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:46,295 INFO L225 Difference]: With dead ends: 1942 [2025-03-17 15:10:46,295 INFO L226 Difference]: Without dead ends: 1939 [2025-03-17 15:10:46,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:10:46,296 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 176 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:46,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 564 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:46,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2025-03-17 15:10:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1046. [2025-03-17 15:10:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 876 states have (on average 1.2180365296803652) internal successors, (1067), 893 states have internal predecessors, (1067), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2025-03-17 15:10:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1335 transitions. [2025-03-17 15:10:46,362 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1335 transitions. Word has length 150 [2025-03-17 15:10:46,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:46,362 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1335 transitions. [2025-03-17 15:10:46,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-03-17 15:10:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1335 transitions. [2025-03-17 15:10:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-17 15:10:46,362 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:46,363 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:46,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:46,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-03-17 15:10:46,567 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:46,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1210310461, now seen corresponding path program 2 times [2025-03-17 15:10:46,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:46,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840315807] [2025-03-17 15:10:46,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:46,572 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-03-17 15:10:46,581 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-03-17 15:10:46,581 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:46,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:46,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096518368] [2025-03-17 15:10:46,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:46,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:46,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:46,585 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:46,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:10:46,618 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-03-17 15:10:46,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-03-17 15:10:46,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:46,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:46,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:10:46,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-17 15:10:46,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:47,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:47,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840315807] [2025-03-17 15:10:47,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:47,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096518368] [2025-03-17 15:10:47,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096518368] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:47,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:47,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:10:47,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408359560] [2025-03-17 15:10:47,103 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:47,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:47,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:47,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:47,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:10:47,104 INFO L87 Difference]: Start difference. First operand 1046 states and 1335 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-03-17 15:10:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:47,312 INFO L93 Difference]: Finished difference Result 1169 states and 1498 transitions. [2025-03-17 15:10:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:10:47,312 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2025-03-17 15:10:47,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:47,315 INFO L225 Difference]: With dead ends: 1169 [2025-03-17 15:10:47,315 INFO L226 Difference]: Without dead ends: 1166 [2025-03-17 15:10:47,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:10:47,316 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 208 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:47,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 286 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:10:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2025-03-17 15:10:47,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1147. [2025-03-17 15:10:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 961 states have (on average 1.2247658688865766) internal successors, (1177), 978 states have internal predecessors, (1177), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2025-03-17 15:10:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1477 transitions. [2025-03-17 15:10:47,385 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1477 transitions. Word has length 151 [2025-03-17 15:10:47,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:47,385 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1477 transitions. [2025-03-17 15:10:47,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-03-17 15:10:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1477 transitions. [2025-03-17 15:10:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-17 15:10:47,385 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:47,385 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:47,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:47,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-03-17 15:10:47,586 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:47,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:47,586 INFO L85 PathProgramCache]: Analyzing trace with hash 827785505, now seen corresponding path program 2 times [2025-03-17 15:10:47,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:47,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005979550] [2025-03-17 15:10:47,587 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:47,591 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 153 statements into 2 equivalence classes. [2025-03-17 15:10:47,603 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 153 of 153 statements. [2025-03-17 15:10:47,603 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:47,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:47,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038768231] [2025-03-17 15:10:47,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:47,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:47,606 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:47,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:10:47,632 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 153 statements into 2 equivalence classes. [2025-03-17 15:10:47,656 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 153 of 153 statements. [2025-03-17 15:10:47,656 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:47,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:47,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:10:47,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-17 15:10:47,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:48,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:48,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005979550] [2025-03-17 15:10:48,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:48,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038768231] [2025-03-17 15:10:48,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038768231] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:48,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:48,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:10:48,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904409627] [2025-03-17 15:10:48,515 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:48,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:10:48,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:48,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:10:48,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:10:48,516 INFO L87 Difference]: Start difference. First operand 1147 states and 1477 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-03-17 15:10:48,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:48,952 INFO L93 Difference]: Finished difference Result 1168 states and 1486 transitions. [2025-03-17 15:10:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:10:48,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 153 [2025-03-17 15:10:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:48,955 INFO L225 Difference]: With dead ends: 1168 [2025-03-17 15:10:48,955 INFO L226 Difference]: Without dead ends: 1161 [2025-03-17 15:10:48,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:10:48,955 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 87 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:48,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 536 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:10:48,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2025-03-17 15:10:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1071. [2025-03-17 15:10:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 897 states have (on average 1.2107023411371238) internal successors, (1086), 914 states have internal predecessors, (1086), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2025-03-17 15:10:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1362 transitions. [2025-03-17 15:10:49,027 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1362 transitions. Word has length 153 [2025-03-17 15:10:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:49,027 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1362 transitions. [2025-03-17 15:10:49,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-03-17 15:10:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1362 transitions. [2025-03-17 15:10:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-17 15:10:49,028 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:49,028 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:49,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:49,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:49,229 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:49,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:49,230 INFO L85 PathProgramCache]: Analyzing trace with hash 772188512, now seen corresponding path program 3 times [2025-03-17 15:10:49,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:49,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722293794] [2025-03-17 15:10:49,230 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:10:49,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:49,234 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 153 statements into 13 equivalence classes. [2025-03-17 15:10:49,250 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 153 of 153 statements. [2025-03-17 15:10:49,251 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-17 15:10:49,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:49,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075523185] [2025-03-17 15:10:49,251 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:10:49,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:49,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:49,253 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:49,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:10:49,279 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 153 statements into 13 equivalence classes. [2025-03-17 15:10:49,287 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 36 of 153 statements. [2025-03-17 15:10:49,288 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 15:10:49,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:49,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:10:49,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2025-03-17 15:10:49,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:53,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:53,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722293794] [2025-03-17 15:10:53,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:53,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075523185] [2025-03-17 15:10:53,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075523185] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:53,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:53,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:10:53,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510642950] [2025-03-17 15:10:53,764 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:53,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:53,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:53,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:53,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2025-03-17 15:10:53,765 INFO L87 Difference]: Start difference. First operand 1071 states and 1362 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:10:54,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:54,214 INFO L93 Difference]: Finished difference Result 1291 states and 1653 transitions. [2025-03-17 15:10:54,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:10:54,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 153 [2025-03-17 15:10:54,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:54,217 INFO L225 Difference]: With dead ends: 1291 [2025-03-17 15:10:54,217 INFO L226 Difference]: Without dead ends: 1287 [2025-03-17 15:10:54,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=85, Invalid=256, Unknown=1, NotChecked=0, Total=342 [2025-03-17 15:10:54,217 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 327 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:54,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 371 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:10:54,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2025-03-17 15:10:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1067. [2025-03-17 15:10:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 893 states have (on average 1.1914893617021276) internal successors, (1064), 910 states have internal predecessors, (1064), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2025-03-17 15:10:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1340 transitions. [2025-03-17 15:10:54,287 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1340 transitions. Word has length 153 [2025-03-17 15:10:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:54,287 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1340 transitions. [2025-03-17 15:10:54,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:10:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1340 transitions. [2025-03-17 15:10:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-17 15:10:54,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:54,288 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:10:54,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:54,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:54,488 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:10:54,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:54,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1771452829, now seen corresponding path program 3 times [2025-03-17 15:10:54,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:54,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67288929] [2025-03-17 15:10:54,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:10:54,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:54,493 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 163 statements into 11 equivalence classes. [2025-03-17 15:10:54,515 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 163 of 163 statements. [2025-03-17 15:10:54,515 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-17 15:10:54,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:54,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889408162] [2025-03-17 15:10:54,516 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:10:54,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:54,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:54,518 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:54,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:10:54,548 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 163 statements into 11 equivalence classes. [2025-03-17 15:10:54,566 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 71 of 163 statements. [2025-03-17 15:10:54,567 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-17 15:10:54,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:54,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-17 15:10:54,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 99 proven. 76 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-03-17 15:10:54,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:59,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:59,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67288929] [2025-03-17 15:10:59,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:59,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889408162] [2025-03-17 15:10:59,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889408162] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:59,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:59,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:10:59,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555992708] [2025-03-17 15:10:59,658 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:59,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:10:59,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:59,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:10:59,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=271, Unknown=1, NotChecked=0, Total=342 [2025-03-17 15:10:59,659 INFO L87 Difference]: Start difference. First operand 1067 states and 1340 transitions. Second operand has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-17 15:11:01,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:01,369 INFO L93 Difference]: Finished difference Result 1194 states and 1503 transitions. [2025-03-17 15:11:01,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 15:11:01,370 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 163 [2025-03-17 15:11:01,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:01,372 INFO L225 Difference]: With dead ends: 1194 [2025-03-17 15:11:01,372 INFO L226 Difference]: Without dead ends: 1172 [2025-03-17 15:11:01,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=312, Invalid=1093, Unknown=1, NotChecked=0, Total=1406 [2025-03-17 15:11:01,374 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 351 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:01,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 261 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 15:11:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2025-03-17 15:11:01,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1030. [2025-03-17 15:11:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 870 states have (on average 1.1494252873563218) internal successors, (1000), 886 states have internal predecessors, (1000), 125 states have call successors, (125), 20 states have call predecessors, (125), 20 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2025-03-17 15:11:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1250 transitions. [2025-03-17 15:11:01,452 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1250 transitions. Word has length 163 [2025-03-17 15:11:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:01,453 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1250 transitions. [2025-03-17 15:11:01,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-17 15:11:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1250 transitions. [2025-03-17 15:11:01,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-03-17 15:11:01,454 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:01,454 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:01,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-17 15:11:01,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:01,655 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:01,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:01,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1559120763, now seen corresponding path program 3 times [2025-03-17 15:11:01,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:01,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537960423] [2025-03-17 15:11:01,655 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:11:01,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:01,659 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 165 statements into 11 equivalence classes. [2025-03-17 15:11:01,681 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 165 of 165 statements. [2025-03-17 15:11:01,681 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-17 15:11:01,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:11:01,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043970510] [2025-03-17 15:11:01,685 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:11:01,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:01,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:01,690 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:01,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:11:01,717 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 165 statements into 11 equivalence classes. [2025-03-17 15:11:01,807 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 73 of 165 statements. [2025-03-17 15:11:01,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-17 15:11:01,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:01,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-17 15:11:01,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 67 proven. 83 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2025-03-17 15:11:02,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:02,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:02,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537960423] [2025-03-17 15:11:02,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:11:02,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043970510] [2025-03-17 15:11:02,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043970510] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:02,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:11:02,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-17 15:11:02,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828022077] [2025-03-17 15:11:02,591 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:02,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:11:02,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:02,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:11:02,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:11:02,592 INFO L87 Difference]: Start difference. First operand 1030 states and 1250 transitions. Second operand has 14 states, 13 states have (on average 6.538461538461538) internal successors, (85), 14 states have internal predecessors, (85), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-17 15:11:04,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:04,181 INFO L93 Difference]: Finished difference Result 1614 states and 2020 transitions. [2025-03-17 15:11:04,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:11:04,181 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.538461538461538) internal successors, (85), 14 states have internal predecessors, (85), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 165 [2025-03-17 15:11:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:04,184 INFO L225 Difference]: With dead ends: 1614 [2025-03-17 15:11:04,184 INFO L226 Difference]: Without dead ends: 1584 [2025-03-17 15:11:04,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=709, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:11:04,184 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 327 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:04,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 502 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 15:11:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2025-03-17 15:11:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1223. [2025-03-17 15:11:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1038 states have (on average 1.1666666666666667) internal successors, (1211), 1052 states have internal predecessors, (1211), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2025-03-17 15:11:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1511 transitions. [2025-03-17 15:11:04,282 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1511 transitions. Word has length 165 [2025-03-17 15:11:04,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:04,282 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1511 transitions. [2025-03-17 15:11:04,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.538461538461538) internal successors, (85), 14 states have internal predecessors, (85), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-17 15:11:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1511 transitions. [2025-03-17 15:11:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-03-17 15:11:04,284 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:04,284 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:04,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-17 15:11:04,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-17 15:11:04,488 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:04,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:04,488 INFO L85 PathProgramCache]: Analyzing trace with hash -936515472, now seen corresponding path program 1 times [2025-03-17 15:11:04,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:04,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233897995] [2025-03-17 15:11:04,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:04,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-03-17 15:11:04,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-03-17 15:11:04,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:04,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2025-03-17 15:11:04,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:04,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233897995] [2025-03-17 15:11:04,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233897995] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:04,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135348294] [2025-03-17 15:11:04,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:04,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:04,578 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:04,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-17 15:11:04,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-03-17 15:11:04,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-03-17 15:11:04,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:04,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:04,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:11:04,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 377 proven. 48 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-17 15:11:04,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2025-03-17 15:11:04,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135348294] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:04,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:04,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2025-03-17 15:11:04,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611528037] [2025-03-17 15:11:04,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:04,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:11:04,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:04,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:11:04,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:11:04,875 INFO L87 Difference]: Start difference. First operand 1223 states and 1511 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-03-17 15:11:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:05,562 INFO L93 Difference]: Finished difference Result 1984 states and 2492 transitions. [2025-03-17 15:11:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:11:05,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 206 [2025-03-17 15:11:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:05,566 INFO L225 Difference]: With dead ends: 1984 [2025-03-17 15:11:05,566 INFO L226 Difference]: Without dead ends: 1260 [2025-03-17 15:11:05,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 408 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:11:05,568 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 104 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:05,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 500 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:11:05,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2025-03-17 15:11:05,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1178. [2025-03-17 15:11:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 997 states have (on average 1.1775325977933802) internal successors, (1174), 1011 states have internal predecessors, (1174), 150 states have call successors, (150), 16 states have call predecessors, (150), 16 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2025-03-17 15:11:05,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1474 transitions. [2025-03-17 15:11:05,678 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1474 transitions. Word has length 206 [2025-03-17 15:11:05,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:05,679 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1474 transitions. [2025-03-17 15:11:05,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-03-17 15:11:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1474 transitions. [2025-03-17 15:11:05,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2025-03-17 15:11:05,680 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:05,680 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:05,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-17 15:11:05,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-17 15:11:05,881 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:05,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:05,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1285892069, now seen corresponding path program 2 times [2025-03-17 15:11:05,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:05,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798252643] [2025-03-17 15:11:05,881 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:11:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:05,886 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 214 statements into 2 equivalence classes. [2025-03-17 15:11:05,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 214 of 214 statements. [2025-03-17 15:11:05,892 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:11:05,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-17 15:11:05,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:05,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798252643] [2025-03-17 15:11:05,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798252643] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:05,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313626171] [2025-03-17 15:11:05,976 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:11:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:05,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:05,978 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:05,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 15:11:06,007 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 214 statements into 2 equivalence classes. [2025-03-17 15:11:06,036 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 214 of 214 statements. [2025-03-17 15:11:06,036 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:11:06,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:06,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:11:06,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-17 15:11:06,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-17 15:11:06,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313626171] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:06,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:06,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-17 15:11:06,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714854017] [2025-03-17 15:11:06,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:06,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:11:06,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:06,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:11:06,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:11:06,356 INFO L87 Difference]: Start difference. First operand 1178 states and 1474 transitions. Second operand has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2025-03-17 15:11:06,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:06,924 INFO L93 Difference]: Finished difference Result 2462 states and 3177 transitions. [2025-03-17 15:11:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:11:06,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 214 [2025-03-17 15:11:06,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:06,929 INFO L225 Difference]: With dead ends: 2462 [2025-03-17 15:11:06,929 INFO L226 Difference]: Without dead ends: 2461 [2025-03-17 15:11:06,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:11:06,929 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 798 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:06,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 572 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:11:06,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2025-03-17 15:11:07,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 1547. [2025-03-17 15:11:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1302 states have (on average 1.2027649769585254) internal successors, (1566), 1316 states have internal predecessors, (1566), 214 states have call successors, (214), 16 states have call predecessors, (214), 16 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2025-03-17 15:11:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 1994 transitions. [2025-03-17 15:11:07,065 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 1994 transitions. Word has length 214 [2025-03-17 15:11:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:07,065 INFO L471 AbstractCegarLoop]: Abstraction has 1547 states and 1994 transitions. [2025-03-17 15:11:07,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2025-03-17 15:11:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1994 transitions. [2025-03-17 15:11:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2025-03-17 15:11:07,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:07,066 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-17 15:11:07,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-17 15:11:07,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:07,267 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:07,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:07,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1239030629, now seen corresponding path program 1 times [2025-03-17 15:11:07,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:07,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494374382] [2025-03-17 15:11:07,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:07,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:07,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-03-17 15:11:07,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-03-17 15:11:07,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:07,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-17 15:11:07,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:07,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494374382] [2025-03-17 15:11:07,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494374382] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:07,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106200013] [2025-03-17 15:11:07,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:07,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:07,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:07,424 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:07,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-17 15:11:07,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-03-17 15:11:07,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-03-17 15:11:07,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:07,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:07,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:11:07,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-17 15:11:07,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-17 15:11:07,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106200013] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:07,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:07,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-03-17 15:11:07,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422252183] [2025-03-17 15:11:07,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:07,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:11:07,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:07,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:11:07,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:11:07,963 INFO L87 Difference]: Start difference. First operand 1547 states and 1994 transitions. Second operand has 22 states, 21 states have (on average 16.904761904761905) internal successors, (355), 22 states have internal predecessors, (355), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2025-03-17 15:11:08,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:08,960 INFO L93 Difference]: Finished difference Result 3856 states and 5111 transitions. [2025-03-17 15:11:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-17 15:11:08,961 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.904761904761905) internal successors, (355), 22 states have internal predecessors, (355), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 232 [2025-03-17 15:11:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:08,968 INFO L225 Difference]: With dead ends: 3856 [2025-03-17 15:11:08,968 INFO L226 Difference]: Without dead ends: 3855 [2025-03-17 15:11:08,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2025-03-17 15:11:08,970 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1365 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:08,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 626 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:11:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2025-03-17 15:11:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 2308. [2025-03-17 15:11:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1960 states have (on average 1.1994897959183672) internal successors, (2351), 1974 states have internal predecessors, (2351), 317 states have call successors, (317), 16 states have call predecessors, (317), 16 states have return successors, (317), 317 states have call predecessors, (317), 317 states have call successors, (317) [2025-03-17 15:11:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 2985 transitions. [2025-03-17 15:11:09,223 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 2985 transitions. Word has length 232 [2025-03-17 15:11:09,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:09,223 INFO L471 AbstractCegarLoop]: Abstraction has 2308 states and 2985 transitions. [2025-03-17 15:11:09,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.904761904761905) internal successors, (355), 22 states have internal predecessors, (355), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2025-03-17 15:11:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2985 transitions. [2025-03-17 15:11:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2025-03-17 15:11:09,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:09,225 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:09,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-17 15:11:09,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-17 15:11:09,425 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:09,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1953053664, now seen corresponding path program 1 times [2025-03-17 15:11:09,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:09,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337989266] [2025-03-17 15:11:09,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:09,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 238 statements into 1 equivalence classes. [2025-03-17 15:11:09,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 238 of 238 statements. [2025-03-17 15:11:09,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:09,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-17 15:11:09,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:09,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337989266] [2025-03-17 15:11:09,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337989266] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:09,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323058724] [2025-03-17 15:11:09,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:09,702 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:09,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-17 15:11:09,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 238 statements into 1 equivalence classes. [2025-03-17 15:11:09,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 238 of 238 statements. [2025-03-17 15:11:09,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:09,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:09,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:11:09,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2025-03-17 15:11:09,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-17 15:11:10,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323058724] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:10,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:10,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2025-03-17 15:11:10,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541585451] [2025-03-17 15:11:10,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:10,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-17 15:11:10,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:10,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-17 15:11:10,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2025-03-17 15:11:10,248 INFO L87 Difference]: Start difference. First operand 2308 states and 2985 transitions. Second operand has 34 states, 34 states have (on average 8.176470588235293) internal successors, (278), 34 states have internal predecessors, (278), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2025-03-17 15:11:11,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:11,015 INFO L93 Difference]: Finished difference Result 3331 states and 4238 transitions. [2025-03-17 15:11:11,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-03-17 15:11:11,016 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.176470588235293) internal successors, (278), 34 states have internal predecessors, (278), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 238 [2025-03-17 15:11:11,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:11,021 INFO L225 Difference]: With dead ends: 3331 [2025-03-17 15:11:11,021 INFO L226 Difference]: Without dead ends: 2538 [2025-03-17 15:11:11,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1108, Invalid=3722, Unknown=0, NotChecked=0, Total=4830 [2025-03-17 15:11:11,023 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 339 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:11,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 994 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:11:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2025-03-17 15:11:11,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2424. [2025-03-17 15:11:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2424 states, 2043 states have (on average 1.1722956436612824) internal successors, (2395), 2064 states have internal predecessors, (2395), 330 states have call successors, (330), 36 states have call predecessors, (330), 36 states have return successors, (330), 323 states have call predecessors, (330), 330 states have call successors, (330) [2025-03-17 15:11:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3055 transitions. [2025-03-17 15:11:11,271 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3055 transitions. Word has length 238 [2025-03-17 15:11:11,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:11,272 INFO L471 AbstractCegarLoop]: Abstraction has 2424 states and 3055 transitions. [2025-03-17 15:11:11,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.176470588235293) internal successors, (278), 34 states have internal predecessors, (278), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2025-03-17 15:11:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3055 transitions. [2025-03-17 15:11:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-03-17 15:11:11,273 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:11,273 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:11,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-17 15:11:11,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-17 15:11:11,473 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:11,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:11,474 INFO L85 PathProgramCache]: Analyzing trace with hash -710176122, now seen corresponding path program 2 times [2025-03-17 15:11:11,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:11,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925433622] [2025-03-17 15:11:11,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:11:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:11,480 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-17 15:11:11,487 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 15:11:11,487 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:11:11,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 70 proven. 187 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-17 15:11:11,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:11,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925433622] [2025-03-17 15:11:11,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925433622] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:11,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018374631] [2025-03-17 15:11:11,590 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:11:11,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:11,592 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:11,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-17 15:11:11,624 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-17 15:11:11,657 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 15:11:11,657 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:11:11,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:11,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:11:11,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 158 proven. 187 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-17 15:11:11,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 70 proven. 187 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-17 15:11:11,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018374631] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:11,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:11,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2025-03-17 15:11:11,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897351674] [2025-03-17 15:11:11,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:11,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:11:11,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:11,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:11:11,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:11:11,986 INFO L87 Difference]: Start difference. First operand 2424 states and 3055 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-17 15:11:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:13,273 INFO L93 Difference]: Finished difference Result 4448 states and 5713 transitions. [2025-03-17 15:11:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:11:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 247 [2025-03-17 15:11:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:13,280 INFO L225 Difference]: With dead ends: 4448 [2025-03-17 15:11:13,280 INFO L226 Difference]: Without dead ends: 3119 [2025-03-17 15:11:13,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 489 SyntacticMatches, 7 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:11:13,282 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 295 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:13,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 766 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:11:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2025-03-17 15:11:13,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2764. [2025-03-17 15:11:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2336 states have (on average 1.1742294520547945) internal successors, (2743), 2357 states have internal predecessors, (2743), 377 states have call successors, (377), 36 states have call predecessors, (377), 36 states have return successors, (377), 370 states have call predecessors, (377), 377 states have call successors, (377) [2025-03-17 15:11:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3497 transitions. [2025-03-17 15:11:13,579 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3497 transitions. Word has length 247 [2025-03-17 15:11:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:13,579 INFO L471 AbstractCegarLoop]: Abstraction has 2764 states and 3497 transitions. [2025-03-17 15:11:13,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-17 15:11:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3497 transitions. [2025-03-17 15:11:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2025-03-17 15:11:13,581 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:13,581 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:13,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-03-17 15:11:13,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:13,782 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:13,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:13,782 INFO L85 PathProgramCache]: Analyzing trace with hash 818395440, now seen corresponding path program 3 times [2025-03-17 15:11:13,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:13,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11198845] [2025-03-17 15:11:13,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:11:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:13,788 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 288 statements into 15 equivalence classes. [2025-03-17 15:11:13,823 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 288 of 288 statements. [2025-03-17 15:11:13,824 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-17 15:11:13,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:11:13,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308084955] [2025-03-17 15:11:13,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:11:13,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:13,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:13,829 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:13,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-17 15:11:13,868 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 288 statements into 15 equivalence classes. [2025-03-17 15:11:13,880 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 54 of 288 statements. [2025-03-17 15:11:13,880 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 15:11:13,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:13,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-17 15:11:13,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 264 proven. 52 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-03-17 15:11:14,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:14,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:14,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11198845] [2025-03-17 15:11:14,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:11:14,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308084955] [2025-03-17 15:11:14,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308084955] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:14,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:11:14,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:11:14,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598905610] [2025-03-17 15:11:14,485 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:14,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:11:14,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:14,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:11:14,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:11:14,487 INFO L87 Difference]: Start difference. First operand 2764 states and 3497 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-17 15:11:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:15,335 INFO L93 Difference]: Finished difference Result 2890 states and 3654 transitions. [2025-03-17 15:11:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:11:15,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 288 [2025-03-17 15:11:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:15,340 INFO L225 Difference]: With dead ends: 2890 [2025-03-17 15:11:15,340 INFO L226 Difference]: Without dead ends: 2886 [2025-03-17 15:11:15,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:11:15,341 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 282 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:15,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 484 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:11:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2025-03-17 15:11:15,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2734. [2025-03-17 15:11:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2306 states have (on average 1.1322636600173461) internal successors, (2611), 2327 states have internal predecessors, (2611), 377 states have call successors, (377), 36 states have call predecessors, (377), 36 states have return successors, (377), 370 states have call predecessors, (377), 377 states have call successors, (377) [2025-03-17 15:11:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3365 transitions. [2025-03-17 15:11:15,655 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3365 transitions. Word has length 288 [2025-03-17 15:11:15,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:15,655 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 3365 transitions. [2025-03-17 15:11:15,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-17 15:11:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3365 transitions. [2025-03-17 15:11:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2025-03-17 15:11:15,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:15,657 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:11:15,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-03-17 15:11:15,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:15,857 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:15,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:15,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1400994623, now seen corresponding path program 4 times [2025-03-17 15:11:15,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:15,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128415746] [2025-03-17 15:11:15,858 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 15:11:15,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:15,864 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 300 statements into 2 equivalence classes. [2025-03-17 15:11:15,883 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 300 of 300 statements. [2025-03-17 15:11:15,884 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 15:11:15,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:11:15,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576504132] [2025-03-17 15:11:15,885 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 15:11:15,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:15,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:15,887 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:15,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-17 15:11:15,919 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 300 statements into 2 equivalence classes. [2025-03-17 15:11:15,961 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 300 of 300 statements. [2025-03-17 15:11:15,962 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 15:11:15,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:15,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 15:11:15,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-03-17 15:11:16,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:21,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:21,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128415746] [2025-03-17 15:11:21,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:11:21,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576504132] [2025-03-17 15:11:21,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576504132] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:21,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:11:21,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-03-17 15:11:21,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167282761] [2025-03-17 15:11:21,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:21,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 15:11:21,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:21,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 15:11:21,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=595, Unknown=1, NotChecked=0, Total=702 [2025-03-17 15:11:21,148 INFO L87 Difference]: Start difference. First operand 2734 states and 3365 transitions. Second operand has 19 states, 18 states have (on average 9.055555555555555) internal successors, (163), 19 states have internal predecessors, (163), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2025-03-17 15:11:22,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:22,396 INFO L93 Difference]: Finished difference Result 2771 states and 3404 transitions. [2025-03-17 15:11:22,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:11:22,397 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 9.055555555555555) internal successors, (163), 19 states have internal predecessors, (163), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 300 [2025-03-17 15:11:22,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:22,402 INFO L225 Difference]: With dead ends: 2771 [2025-03-17 15:11:22,402 INFO L226 Difference]: Without dead ends: 2648 [2025-03-17 15:11:22,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 550 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=234, Invalid=1571, Unknown=1, NotChecked=0, Total=1806 [2025-03-17 15:11:22,403 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 230 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:22,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1303 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2496 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:11:22,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2025-03-17 15:11:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2644. [2025-03-17 15:11:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 2231 states have (on average 1.1362617660242045) internal successors, (2535), 2251 states have internal predecessors, (2535), 366 states have call successors, (366), 32 states have call predecessors, (366), 32 states have return successors, (366), 360 states have call predecessors, (366), 366 states have call successors, (366) [2025-03-17 15:11:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3267 transitions. [2025-03-17 15:11:22,731 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3267 transitions. Word has length 300 [2025-03-17 15:11:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:22,731 INFO L471 AbstractCegarLoop]: Abstraction has 2644 states and 3267 transitions. [2025-03-17 15:11:22,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 9.055555555555555) internal successors, (163), 19 states have internal predecessors, (163), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2025-03-17 15:11:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3267 transitions. [2025-03-17 15:11:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-03-17 15:11:22,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:22,732 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:22,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-17 15:11:22,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:22,933 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:22,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1088990917, now seen corresponding path program 2 times [2025-03-17 15:11:22,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:22,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611472258] [2025-03-17 15:11:22,934 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:11:22,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:22,941 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 329 statements into 2 equivalence classes. [2025-03-17 15:11:22,948 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 329 of 329 statements. [2025-03-17 15:11:22,949 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:11:22,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-17 15:11:23,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:23,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611472258] [2025-03-17 15:11:23,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611472258] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:23,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063158683] [2025-03-17 15:11:23,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:11:23,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:23,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:23,193 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:23,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-17 15:11:23,229 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 329 statements into 2 equivalence classes. [2025-03-17 15:11:23,267 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 329 of 329 statements. [2025-03-17 15:11:23,267 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:11:23,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:23,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:11:23,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-17 15:11:23,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-17 15:11:24,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063158683] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:24,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:24,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2025-03-17 15:11:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883466785] [2025-03-17 15:11:24,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:24,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-03-17 15:11:24,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:24,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-03-17 15:11:24,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1087, Unknown=0, NotChecked=0, Total=1260 [2025-03-17 15:11:24,534 INFO L87 Difference]: Start difference. First operand 2644 states and 3267 transitions. Second operand has 36 states, 35 states have (on average 14.628571428571428) internal successors, (512), 36 states have internal predecessors, (512), 26 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 26 states have call predecessors, (91), 26 states have call successors, (91) [2025-03-17 15:11:35,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:35,069 INFO L93 Difference]: Finished difference Result 7255 states and 9327 transitions. [2025-03-17 15:11:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-17 15:11:35,069 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 14.628571428571428) internal successors, (512), 36 states have internal predecessors, (512), 26 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 26 states have call predecessors, (91), 26 states have call successors, (91) Word has length 329 [2025-03-17 15:11:35,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:35,081 INFO L225 Difference]: With dead ends: 7255 [2025-03-17 15:11:35,081 INFO L226 Difference]: Without dead ends: 7254 [2025-03-17 15:11:35,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11718 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=7115, Invalid=22641, Unknown=0, NotChecked=0, Total=29756 [2025-03-17 15:11:35,084 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 4267 mSDsluCounter, 3976 mSDsCounter, 0 mSdLazyCounter, 7301 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4267 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 8146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 7301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:35,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4267 Valid, 4258 Invalid, 8146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 7301 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2025-03-17 15:11:35,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2025-03-17 15:11:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 5590. [2025-03-17 15:11:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5590 states, 4748 states have (on average 1.180497051390059) internal successors, (5605), 4767 states have internal predecessors, (5605), 795 states have call successors, (795), 32 states have call predecessors, (795), 32 states have return successors, (795), 790 states have call predecessors, (795), 795 states have call successors, (795) [2025-03-17 15:11:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 7195 transitions. [2025-03-17 15:11:35,991 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 7195 transitions. Word has length 329 [2025-03-17 15:11:35,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:35,991 INFO L471 AbstractCegarLoop]: Abstraction has 5590 states and 7195 transitions. [2025-03-17 15:11:35,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 14.628571428571428) internal successors, (512), 36 states have internal predecessors, (512), 26 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 26 states have call predecessors, (91), 26 states have call successors, (91) [2025-03-17 15:11:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 7195 transitions. [2025-03-17 15:11:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2025-03-17 15:11:35,993 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:35,993 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 15:11:36,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-03-17 15:11:36,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-03-17 15:11:36,194 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:36,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1283760673, now seen corresponding path program 1 times [2025-03-17 15:11:36,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:36,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219197595] [2025-03-17 15:11:36,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:36,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-03-17 15:11:36,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-03-17 15:11:36,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:36,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-17 15:11:36,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:11:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219197595] [2025-03-17 15:11:36,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219197595] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:11:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058924398] [2025-03-17 15:11:36,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:11:36,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:36,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:36,542 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:36,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-17 15:11:36,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-03-17 15:11:36,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-03-17 15:11:36,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:11:36,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:36,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:11:36,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:11:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 2208 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-03-17 15:11:36,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:11:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-17 15:11:37,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058924398] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:11:37,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:11:37,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 42 [2025-03-17 15:11:37,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120916886] [2025-03-17 15:11:37,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:11:37,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-17 15:11:37,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:11:37,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-17 15:11:37,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=1325, Unknown=0, NotChecked=0, Total=1722 [2025-03-17 15:11:37,293 INFO L87 Difference]: Start difference. First operand 5590 states and 7195 transitions. Second operand has 42 states, 42 states have (on average 9.071428571428571) internal successors, (381), 42 states have internal predecessors, (381), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93) [2025-03-17 15:11:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:11:39,186 INFO L93 Difference]: Finished difference Result 8871 states and 11471 transitions. [2025-03-17 15:11:39,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-17 15:11:39,186 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 9.071428571428571) internal successors, (381), 42 states have internal predecessors, (381), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93) Word has length 334 [2025-03-17 15:11:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:11:39,198 INFO L225 Difference]: With dead ends: 8871 [2025-03-17 15:11:39,198 INFO L226 Difference]: Without dead ends: 6357 [2025-03-17 15:11:39,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1998, Invalid=6374, Unknown=0, NotChecked=0, Total=8372 [2025-03-17 15:11:39,202 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 508 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:11:39,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1049 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:11:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6357 states. [2025-03-17 15:11:40,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6357 to 6164. [2025-03-17 15:11:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6164 states, 5219 states have (on average 1.1567350067062656) internal successors, (6037), 5241 states have internal predecessors, (6037), 876 states have call successors, (876), 54 states have call predecessors, (876), 54 states have return successors, (876), 868 states have call predecessors, (876), 876 states have call successors, (876) [2025-03-17 15:11:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6164 states to 6164 states and 7789 transitions. [2025-03-17 15:11:40,180 INFO L78 Accepts]: Start accepts. Automaton has 6164 states and 7789 transitions. Word has length 334 [2025-03-17 15:11:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:11:40,180 INFO L471 AbstractCegarLoop]: Abstraction has 6164 states and 7789 transitions. [2025-03-17 15:11:40,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 9.071428571428571) internal successors, (381), 42 states have internal predecessors, (381), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93) [2025-03-17 15:11:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6164 states and 7789 transitions. [2025-03-17 15:11:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2025-03-17 15:11:40,182 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:11:40,183 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:11:40,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-03-17 15:11:40,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-03-17 15:11:40,384 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-03-17 15:11:40,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:11:40,385 INFO L85 PathProgramCache]: Analyzing trace with hash 485698261, now seen corresponding path program 5 times [2025-03-17 15:11:40,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:11:40,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511503076] [2025-03-17 15:11:40,385 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 15:11:40,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:11:40,392 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 341 statements into 17 equivalence classes. [2025-03-17 15:11:40,416 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 341 of 341 statements. [2025-03-17 15:11:40,416 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-03-17 15:11:40,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:11:40,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930222144] [2025-03-17 15:11:40,417 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 15:11:40,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:11:40,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:11:40,421 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:11:40,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-17 15:11:40,456 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 341 statements into 17 equivalence classes. [2025-03-17 15:11:40,510 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 341 of 341 statements. [2025-03-17 15:11:40,510 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-03-17 15:11:40,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:11:40,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-17 15:11:40,515 INFO L279 TraceCheckSpWp]: Computing forward predicates...